2011 JW31

Initial reported observation by Magellan-Clay Telescope on 2011-05-04.
(Discoverer will be defined when the object is numbered. See this note on how discoverers are determined.)

Orbit

Orbit type: Distant object

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epoch2024-03-31.0
epoch JD2460400.5
perihelion date2055-01-27.30050
perihelion JD2471659.80050
argument of perihelion (°)127.72137
ascending node (°)209.25647
inclination (°)1.87164
eccentricity0.0973857
perihelion distance (AU)41.1408466
Tisserand w.r.t. Jupiter6.0
ΔV w.r.t. Earth (km/sec)12.2
semimajor axis (AU)45.5796534
mean anomaly (°)323.93726
mean daily motion (°/day)0.00320290
aphelion distance (AU)50.018
period (years)308
P-vector [x]0.92014740
P-vector [y]-0.36875399
P-vector [z]-0.13171658
Q-vector [x]0.39124670
Q-vector [y]0.85209523
Q-vector [z]0.34764886
absolute magnitude7.99
phase slope0.15
uncertainty5
referenceMPEC 2024-E50
observations used58
oppositions5
arc length (days)2276
first opposition used2011
last opposition used2017
residual rms (arc-secs)0.10
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2011-04-28.0
last observation date used2017-07-21.0
computer nameMPCLINUX
Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2460400.5, reference: E2024-E50
Mercury40.7507
Venus40.4157
Earth40.1319
Mars39.7616
Jupiter36.1444
Saturn31.3738
Uranus21.011
Neptune11.1969

Observations

58 total observations over interval: 2011 04 28.29320 – 2017 07 21.52175
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2011 04 28.29320 18 32 24.85 -21 28 47.6   268 – Magellan-Clay Telescope MPS 443489
2011 04 28.29388 18 32 24.84 -21 28 47.6   268 – Magellan-Clay Telescope MPS 443489
2011 04 28.39916 18 32 24.62 -21 28 47.4   268 – Magellan-Clay Telescope MPS 443489
2011 05 04.35789 18 32 11.36 -21 28 44.1   268 – Magellan-Clay Telescope MPS 443489
2011 05 04.36394 18 32 11.35 -21 28 44.1   268 – Magellan-Clay Telescope MPS 443489
2011 05 04.38104 18 32 11.30 -21 28 44.1   268 – Magellan-Clay Telescope MPS 443489
2011 05 04.39888 18 32 11.25 -21 28 44.1   268 – Magellan-Clay Telescope MPS 443489
2011 05 04.40573 18 32 11.24 -21 28 44.1   268 – Magellan-Clay Telescope MPS 443489
2011 05 04.42148 18 32 11.20 -21 28 44.1   268 – Magellan-Clay Telescope MPS 443489
2011 05 27.28690 18 30 54.80 -21 28 59.0   268 – Magellan-Clay Telescope MPS 443489
2011 05 27.33105 18 30 54.62 -21 28 58.8   268 – Magellan-Clay Telescope MPS 443489
2011 05 27.38632 18 30 54.36 -21 28 59.2   268 – Magellan-Clay Telescope MPS 443489
2011 07 01.12040 18 28 10.60 -21 30 27.8   269 – Magellan-Baade Telescope MPS 443489
2011 07 01.12099 18 28 10.60 -21 30 27.7   269 – Magellan-Baade Telescope MPS 443489
2011 07 01.20571 18 28 10.16 -21 30 28.0   269 – Magellan-Baade Telescope MPS 443489
2011 07 01.20630 18 28 10.17 -21 30 28.0   269 – Magellan-Baade Telescope MPS 443489
2011 07 01.29082 18 28 09.74 -21 30 28.1 25.2 R 269 – Magellan-Baade Telescope MPS 443489
2011 07 01.29141 18 28 09.74 -21 30 28.2   269 – Magellan-Baade Telescope MPS 443489
2012 04 17.38698 18 38 19.35 -21 23 13.5   268 – Magellan-Clay Telescope MPS 443489
2012 04 17.41654 18 38 19.32 -21 23 13.4   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.26734 18 38 18.54 -21 23 11.9   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.31485 18 38 18.51 -21 23 11.9   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.31517 18 38 18.50 -21 23 11.9   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.36209 18 38 18.44 -21 23 11.8   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.36265 18 38 18.44 -21 23 11.8   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.40499 18 38 18.40 -21 23 11.7   268 – Magellan-Clay Telescope MPS 443489
2012 04 18.40528 18 38 18.40 -21 23 11.7   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.30535 18 38 17.49 -21 23 10.3   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.30696 18 38 17.49 -21 23 10.3   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.31725 18 38 17.47 -21 23 10.3   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.33912 18 38 17.45 -21 23 10.2   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.35214 18 38 17.43 -21 23 10.2   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.36183 18 38 17.42 -21 23 10.2   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.36529 18 38 17.42 -21 23 10.1   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.39518 18 38 17.38 -21 23 10.1   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.39905 18 38 17.37 -21 23 10.1   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.40424 18 38 17.37 -21 23 10.1   268 – Magellan-Clay Telescope MPS 443489
2012 04 19.41581 18 38 17.36 -21 23 10.1   268 – Magellan-Clay Telescope MPS 443489
2014 06 25.38473 18 45 53.711 -21 11 48.96   266 – New Horizons KBO Search-Subaru MPS 801577
2014 06 25.41031 18 45 53.586 -21 11 48.95   266 – New Horizons KBO Search-Subaru MPS 801577
2014 06 25.45768 18 45 53.342 -21 11 49.30   266 – New Horizons KBO Search-Subaru MPS 801577
2014 06 25.53035 18 45 52.981 -21 11 49.66   266 – New Horizons KBO Search-Subaru MPS 801577
2014 06 27.35946 18 45 43.903 -21 11 58.91   266 – New Horizons KBO Search-Subaru MPS 801577
2014 06 27.37088 18 45 43.843 -21 11 59.02   266 – New Horizons KBO Search-Subaru MPS 801577
2016 06 30.38784 18 57 00.553 -20 56 22.39   266 – New Horizons KBO Search-Subaru MPS 801577
2016 06 30.40322 18 57 00.479 -20 56 22.56   266 – New Horizons KBO Search-Subaru MPS 801577
2017 07 20.25325 19 01 11.834 -20 49 43.05 23.9 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 20.27714 19 01 11.718 -20 49 43.24 23.9 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 20.39364 19 01 11.145 -20 49 44.16 23.9 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 20.41604 19 01 11.036 -20 49 44.32 23.9 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 20.53088 19 01 10.472 -20 49 45.19 23.9 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 20.55184 19 01 10.370 -20 49 45.34 23.9 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 21.24888 19 01 07.035 -20 49 50.61 24.1 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 21.26989 19 01 06.933 -20 49 50.80 24.0 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 21.39163 19 01 06.338 -20 49 51.76 24.0 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 21.41126 19 01 06.242 -20 49 51.89 24.1 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 21.50353 19 01 05.791 -20 49 52.58 24.1 r 266 – New Horizons KBO Search-Subaru MPS 2146079
2017 07 21.52175 19 01 05.703 -20 49 52.73 24.0 r 266 – New Horizons KBO Search-Subaru MPS 2146079