(505019) = 2011 QH21

Discovered at Haleakala on 2011-08-23 by Pan-STARRS 1.

Orbit

Orbit type: Amor
Near-Earth Object

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epoch2023-09-13.0
epoch JD2460200.5
perihelion date2022-10-22.55322
perihelion JD2459875.05322
argument of perihelion (°)269.41348
ascending node (°)241.27608
inclination (°)22.84255
eccentricity0.2334661
perihelion distance (AU)1.0023564
Tisserand w.r.t. Jupiter4.9
ΔV w.r.t. Earth (km/sec)8.3
semimajor axis (AU)1.3076479
mean anomaly (°)214.51002
mean daily motion (°/day)0.65912470
aphelion distance (AU)1.613
period (years)1.5
P-vector [x]-0.80320937
P-vector [y]0.56897611
P-vector [z]-0.17641115
Q-vector [x]-0.48883726
Q-vector [y]-0.79879943
Q-vector [z]-0.35065312
absolute magnitude19.06
phase slope0.15
uncertainty0
referenceMPEC 2023-W127
observations used106
oppositions5
arc length (days)4477
first opposition used2011
last opposition used2023
residual rms (arc-secs)0.77
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2011-08-23.0
last observation date used2023-11-25.0
computer nameMPCLINUX
JD of orbit computation2458054.132880
perihelion JD uncertainty (days)4.5382E-04
argument of perihelion uncertainty (°)1.6251E-04
ascending node uncertainty (°)4.8591E-05
inclination uncertainty (°)1.2299E-05
eccentricity uncertainty 4.3085E-07
perihelion distance uncertainty (AU)5.6773E-07
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2460200.5, reference: E2023-WC7
Mercury0.67902
Venus0.42635
Earth0.19183
Mars0.20745
Jupiter3.55269
Saturn7.84691
Uranus17.5052
Neptune28.4304

Observations

106 total observations over interval: 2011 08 23.39610 – 2023 11 25.244090
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2011 08 23.39610 22 07 52.527 +43 59 14.78 21.7 g F51 – Pan-STARRS 1, Haleakala MPS 388739
2011 08 23.40828 22 07 51.111 +43 59 15.22 21.0 r F51 – Pan-STARRS 1, Haleakala MPS 388739
2011 08 23.41906 22 07 49.831 +43 59 15.67 21.0 r F51 – Pan-STARRS 1, Haleakala MPS 388739
2011 08 25.29836 22 04 18.17 +43 58 25.0 20.3 R F65 – Haleakala-Faulkes Telescope North MPS 388739
2011 08 25.30532 22 04 17.35 +43 58 24.8 20.3 R F65 – Haleakala-Faulkes Telescope North MPS 388739
2011 08 26.114642 22 02 45.09 +43 57 01.5 20.3 V H21 – Astronomical Research Observatory, Westfield MPS 388739
2011 08 26.139042 22 02 42.27 +43 56 59.3 20.8 V H21 – Astronomical Research Observatory, Westfield MPS 388739
2011 08 26.144825 22 02 41.57 +43 56 58.7 21.3 V H21 – Astronomical Research Observatory, Westfield MPS 388739
2011 08 26.265501 22 02 27.34 +43 56 44.3 20.1 R H36 – Sandlot Observatory, Scranton MPS 388739
2011 08 26.274708 22 02 26.27 +43 56 43.9 20.0 R H36 – Sandlot Observatory, Scranton MPS 388739
2011 08 26.282916 22 02 25.23 +43 56 43.2 19.7 R H36 – Sandlot Observatory, Scranton MPS 388739
2011 09 12.16806 21 32 18.70 +41 13 08.8 19.8 R 950 – La Palma MPS 392788
2011 09 12.16976 21 32 18.54 +41 13 07.3 19.8 R 950 – La Palma MPS 392788
2011 09 12.17145 21 32 18.35 +41 13 05.2 19.8 R 950 – La Palma MPS 392788
2011 09 12.17314 21 32 18.22 +41 13 03.3 19.3 R 950 – La Palma MPS 392788
2011 09 12.17484 21 32 18.00 +41 13 01.2 19.5 R 950 – La Palma MPS 392788
2011 09 12.17653 21 32 17.84 +41 12 59.7 19.7 R 950 – La Palma MPS 392788
2011 09 26.99065 21 16 04.72 +35 54 42.2 19.0 R J04 – ESA Optical Ground Station, Tenerife MPS 392788
2011 09 27.00086 21 16 04.35 +35 54 27.2 19.7 R J04 – ESA Optical Ground Station, Tenerife MPS 392788
2011 09 27.01107 21 16 03.85 +35 54 11.7 19.9 R J04 – ESA Optical Ground Station, Tenerife MPS 392788
2011 10 24.12172 21 21 14.06 +23 43 03.3   291 – LPL/Spacewatch II MPS 396441
2011 10 24.12597 21 21 14.33 +23 42 55.8   291 – LPL/Spacewatch II MPC 77873
2011 11 01.02610 21 29 55.26 +20 25 48.9 21.5 V H21 – Astronomical Research Observatory, Westfield MPS 398329
2011 11 01.02808 21 29 55.39 +20 25 45.9 21.6 V H21 – Astronomical Research Observatory, Westfield MPS 398329
2011 11 01.04058 21 29 56.25 +20 25 27.5 21.8 V H21 – Astronomical Research Observatory, Westfield MPS 398329
2011 12 24.032431 23 15 08.83 +07 27 22.0 21.6 V H21 – Astronomical Research Observatory, Westfield MPS 404736
2011 12 24.046675 23 15 10.89 +07 27 16.9 21.4 V H21 – Astronomical Research Observatory, Westfield MPS 404736
2011 12 24.060863 23 15 12.99 +07 27 11.7 20.6 V H21 – Astronomical Research Observatory, Westfield MPS 404736
2014 06 01.17163 22 27 57.51 +17 23 13.5 21.5   950 – La Palma MPS 519385
2014 06 01.17390 22 27 57.66 +17 23 17.2 21.4   950 – La Palma MPS 519385
2014 06 01.17619 22 27 57.88 +17 23 20.4 21.6   950 – La Palma MPS 519385
2014 06 01.17847 22 27 58.03 +17 23 24.1 21.4   950 – La Palma MPS 519385
2014 06 01.18075 22 27 58.18 +17 23 27.3 21.5   950 – La Palma MPS 519385
2014 06 01.18302 22 27 58.39 +17 23 31.5 21.3   950 – La Palma MPS 519385
2014 06 01.18535 22 27 58.50 +17 23 34.7 21.4   950 – La Palma MPS 519385
2014 06 01.18763 22 27 58.70 +17 23 38.0 21.3   950 – La Palma MPS 519385
2014 09 22.87943 21 32 17.07 +39 12 21.4   204 – Schiaparelli Observatory MPS 540535
2014 09 22.89402 21 32 16.12 +39 12 01.8 20.7 R 204 – Schiaparelli Observatory MPS 540535
2014 10 16.13029 21 25 02.27 +28 43 44.3 20.4 R 448 – Desert Moon Observatory, Las Cruces MPS 538954
2014 10 16.17313 21 25 03.12 +28 42 30.3 20.1 R 448 – Desert Moon Observatory, Las Cruces MPS 538954
2014 10 16.21589 21 25 03.99 +28 41 16.5 21.5 R 448 – Desert Moon Observatory, Las Cruces MPS 538954
2014 10 28.08234 21 33 41.24 +23 12 02.4 20.5 V G96 – Mt. Lemmon Survey MPS 542331
2014 10 28.09146 21 33 41.77 +23 11 48.1 21.0 V G96 – Mt. Lemmon Survey MPS 542331
2014 10 28.10070 21 33 42.29 +23 11 33.3 20.3 V G96 – Mt. Lemmon Survey MPS 542331
2014 10 28.10982 21 33 42.80 +23 11 18.9 20.0 V G96 – Mt. Lemmon Survey MPS 542331
2014 11 15.04104 21 58 23.60 +16 07 23.4 21 V H21 – Astronomical Research Observatory, Westfield MPS 545755
2014 11 15.05131 21 58 24.67 +16 07 10.2   H21 – Astronomical Research Observatory, Westfield MPS 545755
2014 11 15.06158 21 58 25.64 +16 06 57.0   H21 – Astronomical Research Observatory, Westfield MPS 545755
2017 06 22.39628 22 57 11.38 +26 37 07.5 21.5 V I52 – Steward Observatory, Mt. Lemmon Station MPS 801577
2017 06 22.40001 22 57 11.64 +26 37 14.0   I52 – Steward Observatory, Mt. Lemmon Station MPS 801577
2017 06 22.40373 22 57 11.86 +26 37 19.2   I52 – Steward Observatory, Mt. Lemmon Station MPS 801577
2017 10 14.16170 21 34 57.17 +31 13 36.2 20.4 R 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 826280
2017 10 14.18513 21 34 57.27 +31 12 54.5   691 – Steward Observatory, Kitt Peak-Spacewatch MPS 826280
2017 10 22.11170 21 38 03.98 +27 17 47.2   691 – Steward Observatory, Kitt Peak-Spacewatch MPS 828224
2017 10 22.12640 21 38 04.43 +27 17 21.0   691 – Steward Observatory, Kitt Peak-Spacewatch MPS 828224
2017 10 22.14079 21 38 04.90 +27 16 56.0   691 – Steward Observatory, Kitt Peak-Spacewatch MPS 828224
2017 10 24.10490 21 39 24.36 +26 19 38.3   691 – Steward Observatory, Kitt Peak-Spacewatch MPS 828224
2017 10 24.12866 21 39 25.25 +26 18 57.0   691 – Steward Observatory, Kitt Peak-Spacewatch MPS 828224
2017 10 27.11941 21 41 49.42 +24 53 06.1 21.1 G G96 – Mt. Lemmon Survey MPS 828224
2017 10 27.12472 21 41 49.70 +24 52 57.2 21.3 G G96 – Mt. Lemmon Survey MPS 828224
2017 10 27.13005 21 41 49.94 +24 52 48.1 21.0 G G96 – Mt. Lemmon Survey MPS 828224
2017 10 27.13540 21 41 50.20 +24 52 39.1 20.8 G G96 – Mt. Lemmon Survey MPS 828224
2020 08 08.44363 23 12 59.91 +43 37 10.8 21.1 G G96 – Mt. Lemmon Survey MPS 1239108
2020 08 08.44935 23 12 59.58 +43 37 15.6 22.0 G G96 – Mt. Lemmon Survey MPS 1239108
2020 08 08.45508 23 12 59.25 +43 37 21.1 21.0 G G96 – Mt. Lemmon Survey MPS 1239108
2020 08 15.33150 23 05 50.07 +45 09 04.6 20.8 G G96 – Mt. Lemmon Survey MPS 1239108
2020 08 15.33681 23 05 49.68 +45 09 08.1 21.2 G G96 – Mt. Lemmon Survey MPS 1239108
2020 08 15.34213 23 05 49.22 +45 09 12.1 21.1 G G96 – Mt. Lemmon Survey MPS 1239108
2020 10 12.130288 21 46 10.07 +33 50 39.4 20.78 G G96 – Mt. Lemmon Survey MPS 1284869
2020 10 12.135986 21 46 09.97 +33 50 28.4 21.01 G G96 – Mt. Lemmon Survey MPS 1284869
2020 10 12.141686 21 46 09.92 +33 50 18.5 20.87 G G96 – Mt. Lemmon Survey MPS 1284869
2020 10 12.147383 21 46 09.84 +33 50 08.1 20.88 G G96 – Mt. Lemmon Survey MPS 1284869
2020 10 26.29184 21 50 39.224 +26 35 23.83 20.3 i F51 – Pan-STARRS 1, Haleakala MPS 1293170
2020 10 26.30183 21 50 39.629 +26 35 05.73 20.4 i F51 – Pan-STARRS 1, Haleakala MPS 1293170
2020 11 11.108319 22 08 06.45 +19 11 47.8 20.68 G G96 – Mt. Lemmon Survey MPS 1299854
2020 11 11.113594 22 08 06.90 +19 11 39.9 20.96 G G96 – Mt. Lemmon Survey MPS 1299854
2020 11 11.118866 22 08 07.31 +19 11 31.6 20.59 G G96 – Mt. Lemmon Survey MPS 1299854
2020 11 11.124132 22 08 07.76 +19 11 23.7 21.04 G G96 – Mt. Lemmon Survey MPS 1299854
2020 11 13.27742 22 11 18.639 +18 17 35.55 20.8 w F51 – Pan-STARRS 1, Haleakala MPS 1299854
2020 11 13.29026 22 11 19.721 +18 17 16.46 21.1 w F51 – Pan-STARRS 1, Haleakala MPS 1299854
2020 11 13.30323 22 11 20.872 +18 16 57.15 20.8 w F51 – Pan-STARRS 1, Haleakala MPS 1299854
2020 11 13.31597 22 11 21.988 +18 16 38.20 20.7 w F51 – Pan-STARRS 1, Haleakala MPS 1299854
2021 01 05.22318 00 05 59.486 +05 37 13.01 22.0 w F51 – Pan-STARRS 1, Haleakala MPS 1344570
2021 01 05.23507 00 06 01.320 +05 37 08.93 21.5 w F51 – Pan-STARRS 1, Haleakala MPS 1344570
2021 01 05.24702 00 06 03.147 +05 37 04.58 21.6 w F51 – Pan-STARRS 1, Haleakala MPS 1344570
2021 01 05.25891 00 06 04.976 +05 37 00.32 21.6 w F51 – Pan-STARRS 1, Haleakala MPS 1344570
2023 10 04.200768 22 03 51.541 +39 53 29.26 20.59 G G96 – Mt. Lemmon Survey MPS 2013399
2023 10 04.205576 22 03 51.239 +39 53 21.37 20.46 G G96 – Mt. Lemmon Survey MPS 2013399
2023 10 04.210385 22 03 50.944 +39 53 13.13 19.98 G G96 – Mt. Lemmon Survey MPS 2013399
2023 10 04.215186 22 03 50.692 +39 53 05.28 20.17 G G96 – Mt. Lemmon Survey MPS 2013399
2023 10 22.300470 21 58 38.569 +30 38 25.21 20.77 w F51 – Pan-STARRS 1, Haleakala MPS 2031448
2023 10 22.309053 21 58 38.678 +30 38 08.68 20.79 w F51 – Pan-STARRS 1, Haleakala MPS 2031448
2023 10 22.328579 21 58 38.942 +30 37 30.47 20.82 w F51 – Pan-STARRS 1, Haleakala MPS 2031448
2023 10 23.126851 21 58 55.477 +30 11 44.92 20.53 G G96 – Mt. Lemmon Survey MPS 2031448
2023 10 23.132530 21 58 55.603 +30 11 33.25 20.08 G G96 – Mt. Lemmon Survey MPS 2031448
2023 10 23.138202 21 58 55.675 +30 11 22.63 20.48 G G96 – Mt. Lemmon Survey MPS 2031448
2023 11 03.143666 22 06 20.736 +24 24 31.79 20.78 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 03.148782 22 06 21.020 +24 24 22.54 20.74 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 03.153918 22 06 21.280 +24 24 13.28 20.73 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 04.151530 22 07 20.456 +23 54 02.45 20.62 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 04.156705 22 07 20.748 +23 53 53.16 20.58 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 04.161891 22 07 21.036 +23 53 43.73 20.55 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 04.167071 22 07 21.353 +23 53 34.22 20.83 G G96 – Mt. Lemmon Survey MPS 2052407
2023 11 25.223042 22 37 51.719 +14 41 31.48 21.13 i F51 – Pan-STARRS 1, Haleakala MPS 2070527
2023 11 25.233160 22 37 52.795 +14 41 17.92 21.00 i F51 – Pan-STARRS 1, Haleakala MPS 2070527
2023 11 25.244090 22 37 53.930 +14 41 03.85 20.58 i F51 – Pan-STARRS 1, Haleakala MPS 2070527