2012 UD

Initial reported observation by Catalina Sky Survey on 2012-10-16.
(Discoverer will be defined when the object is numbered. See this note on how discoverers are determined.)

Orbit

Orbit type: Amor
Near-Earth Object
One opposition object seen prior.

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epoch2019-04-27.0
epoch JD2458600.5
perihelion date2020-01-30.14046
perihelion JD2458878.64046
argument of perihelion (°)15.06267
ascending node (°)11.28460
inclination (°)8.71772
eccentricity0.4168953
perihelion distance (AU)1.0526750
Tisserand w.r.t. Jupiter3.9
ΔV w.r.t. Earth (km/sec)6.0
semimajor axis (AU)1.8052931
mean anomaly (°)246.98231
mean daily motion (°/day)0.40633320
aphelion distance (AU)2.558
period (years)2.43
P-vector [x]0.89670807
P-vector [y]0.38881921
P-vector [z]0.21150474
Q-vector [x]-0.44162765
Q-vector [y]0.75391873
Q-vector [z]0.48638624
absolute magnitude23.6
phase slope0.15
uncertainty5
referenceMPO 245982
observations used46
oppositions1
arc length (days)38
first opposition used2012
last opposition used2012
residual rms (arc-secs)0.33
perturbers coarse indicatorM-v
perturbers precise indicator003Eh
first observation date used2012-10-16.0
last observation date used2012-11-23.0
computer nameMPCADO
JD of orbit computation2456254.898022
perihelion JD uncertainty (days)3.4096E-04
argument of perihelion uncertainty (°)2.4257E-04
ascending node uncertainty (°)2.5609E-04
inclination uncertainty (°)7.3979E-04
eccentricity uncertainty 4.8444E-05
perihelion distance uncertainty (AU)5.7128E-06
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2458600.5, reference: MPO245982
Mercury0.71849
Venus0.33537
Earth0.06011
Mars0.14376
Jupiter2.90125
Saturn7.10083
Uranus15.7602
Neptune27.8403

Observations

49 total observations over interval: 2012 10 16.19409 – 2012 11 23.38611
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2012 10 16.19409 22 48 53.64 +16 59 33.6 19.1 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.19910 22 48 54.14 +17 00 27.6 19.3 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.20417 22 48 54.86 +17 01 21.9 20.0 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.20927 22 48 55.29 +17 02 19.4 19.4 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.24522 22 48 59.36 +17 08 50.3 18.7 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.24576 22 48 59.36 +17 08 54.7 18.9 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.24631 22 48 59.47 +17 09 03.2 19.5 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.246381 22 48 57.53 +17 08 43.9 19.3 V H21 – Astronomical Research Observatory, Westfield MPS 435763
2012 10 16.24686 22 48 59.58 +17 09 10.2 19.6 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.248801 22 48 57.85 +17 09 10.2 19.3 V H21 – Astronomical Research Observatory, Westfield MPS 435763
2012 10 16.250728 22 48 58.08 +17 09 31.2 19.4 V H21 – Astronomical Research Observatory, Westfield MPS 435763
2012 10 16.34538 22 49 11.60 +17 26 54.8 19.1 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.34594 22 49 11.56 +17 27 01.6 19.3 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.34705 22 49 11.85 +17 27 14.0 19.3 V 703 – Catalina Sky Survey MPS 435763
2012 10 16.82586 22 50 36.94 +18 53 53.9   J95 – Great Shefford MPS 435763
2012 10 16.82942 22 50 37.36 +18 54 32.6 18.6 R J95 – Great Shefford MPS 435763
2012 10 16.86688 22 50 41.25 +19 01 32.2 19.2 R 204 – Schiaparelli Observatory MPS 435763
2012 10 16.87584 22 50 42.41 +19 03 09.7   204 – Schiaparelli Observatory MPS 435763
2012 10 16.88475 22 50 43.51 +19 04 46.0   204 – Schiaparelli Observatory MPS 435763
2012 10 17.05921 22 51 18.22 +19 36 37.7 18.7 R H01 – Magdalena Ridge Observatory, Socorro MPS 435763
2012 10 17.06749 22 51 19.31 +19 38 08.6 19.4 R H01 – Magdalena Ridge Observatory, Socorro MPS 435763
2012 10 17.07514 22 51 20.31 +19 39 32.8 18.8 R H01 – Magdalena Ridge Observatory, Socorro MPS 435763
2012 10 17.08119 22 51 21.10 +19 40 39.2 18.8 R H01 – Magdalena Ridge Observatory, Socorro MPS 435763
2012 10 17.09840 22 51 23.76 +19 43 49.9 19.8 V G96 – Mt. Lemmon Survey MPS 435763
2012 10 17.09898 22 51 23.83 +19 43 56.2 19.6 V G96 – Mt. Lemmon Survey MPS 435764
2012 10 17.09954 22 51 23.90 +19 44 02.4 19.3 V G96 – Mt. Lemmon Survey MPS 435764
2012 10 17.32389 22 51 52.04 +20 24 27.3 19.1 R 291 – LPL/Spacewatch II MPS 435764
2012 10 17.32480 22 51 52.16 +20 24 36.9 19.4 R 291 – LPL/Spacewatch II MPS 435764
2012 10 17.32571 22 51 52.29 +20 24 46.6 19.3 R 291 – LPL/Spacewatch II MPS 435764
2012 10 20.92765 23 03 13.14 +30 48 07.4   204 – Schiaparelli Observatory MPS 439818
2012 10 20.94209 23 03 15.62 +30 50 27.8 19.6 R 204 – Schiaparelli Observatory MPS 439818
2012 10 20.95629 23 03 18.15 +30 52 45.2   204 – Schiaparelli Observatory MPS 439818
2012 10 20.97436 23 03 21.29 +30 55 39.6 19.4 R 203 – GiaGa Observatory MPS 438111
2012 10 21.00910 23 03 27.69 +31 01 13.8 19.2 R 203 – GiaGa Observatory MPS 438111
2012 10 21.200392 23 04 09.96 +31 32 49.2 19.7 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 21.204077 23 04 10.61 +31 33 24.1 19.6 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 21.207856 23 04 11.28 +31 34 00.3 19.4 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 21.211639 23 04 11.95 +31 34 36.4 19.3 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 24.095988 23 15 17.23 +38 54 16.5 19.8 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 24.100301 23 15 18.11 +38 54 53.4 20.1 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 24.104769 23 15 19.01 +38 55 31.7 19.9 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 25.146669 23 19 40.25 +41 19 19.1 20.5 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 25.151335 23 19 41.24 +41 19 56.5 20.2 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 25.155990 23 19 42.19 +41 20 34.0 20.4 V H21 – Astronomical Research Observatory, Westfield MPS 438111
2012 10 27.147740 23 28 42.49 +45 32 12.3 20.6 V H21 – Astronomical Research Observatory, Westfield MPS 439818
2012 10 27.154656 23 28 44.14 +45 33 00.9 20.3 V H21 – Astronomical Research Observatory, Westfield MPS 439818
2012 10 27.160362 23 28 45.54 +45 33 41.9   H21 – Astronomical Research Observatory, Westfield MPS 439818
2012 11 23.38033 02 16 26.45 +65 30 17.1 20.1 R 291 – LPL/Spacewatch II MPS 443540
2012 11 23.38611 02 16 28.47 +65 30 14.7 21.7 R 291 – LPL/Spacewatch II MPS 443540