2012 YR3

Initial reported observation by Mt. Lemmon Survey on 2012-12-21.
(Discoverer will be defined when the object is numbered. See this note on how discoverers are determined.)

Orbit

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

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epoch2019-04-27.0
epoch JD2458600.5
perihelion date2017-08-11.15867
perihelion JD2457976.65867
argument of perihelion (°)329.95078
ascending node (°)91.55241
inclination (°)8.55635
eccentricity0.6602629
perihelion distance (AU)0.9550865
Tisserand w.r.t. Jupiter2.9
ΔV w.r.t. Earth (km/sec)7.3
semimajor axis (AU)2.8112520
mean anomaly (°)130.44526
mean daily motion (°/day)0.20910010
aphelion distance (AU)4.667
period (years)4.71
P-vector [x]0.47153862
P-vector [y]0.83581985
P-vector [z]0.28116990
Q-vector [x]-0.86921313
Q-vector [y]0.38675142
Q-vector [z]0.30804524
absolute magnitude26.3
phase slope0.15
uncertainty7
referenceMPO 247368
observations used21
oppositions1
arc length (days)2
first opposition used2012
last opposition used2012
residual rms (arc-secs)1.03
perturbers coarse indicatorM-v
perturbers precise indicator003Eh
first observation date used2012-12-21.0
last observation date used2012-12-23.0
computer nameMPCS
JD of orbit computation2456285.390731
perihelion JD uncertainty (days)7.4471E-03
argument of perihelion uncertainty (°)8.7351E-03
ascending node uncertainty (°)3.5805E-03
inclination uncertainty (°)1.7667E-02
eccentricity uncertainty 1.8946E-03
perihelion distance uncertainty (AU)8.1206E-05
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2458600.5, reference: MPO247368
Mercury0.64718
Venus0.2385
Earth0.01527
Mars0.15638
Jupiter0.75157
Saturn5.32354
Uranus14.0478
Neptune25.6696

Observations

21 total observations over interval: 2012 12 21.52422 – 2012 12 23.47067
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2012 12 21.52422 09 51 32.94 +10 51 09.5 20.4 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 21.52982 09 51 32.36 +10 53 34.8 20.3 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 21.53543 09 51 31.82 +10 55 59.2 20.0 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 21.54099 09 51 31.24 +10 58 22.0 20.1 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 21.56115 09 51 29.25 +11 07 02.2   G96 – Mt. Lemmon Survey MPS 448550
2012 12 21.56264 09 51 29.07 +11 07 40.2 20.6 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 22.00180 09 51 48.15 +13 59 43.8 19.5 R 104 – San Marcello Pistoiese MPS 448550
2012 12 22.00814 09 51 47.73 +14 02 03.7 19.9 R 104 – San Marcello Pistoiese MPS 448550
2012 12 22.01383 09 51 47.32 +14 04 08.5 20.0 R 104 – San Marcello Pistoiese MPS 448550
2012 12 22.363951 09 51 40.35 +16 03 45.9   H21 – Astronomical Research Observatory, Westfield MPS 448550
2012 12 22.370416 09 51 39.75 +16 05 50.6   H21 – Astronomical Research Observatory, Westfield MPS 448550
2012 12 22.376880 09 51 39.13 +16 07 54.3   H21 – Astronomical Research Observatory, Westfield MPS 448550
2012 12 22.383744 09 51 38.49 +16 10 05.9   H21 – Astronomical Research Observatory, Westfield MPS 448550
2012 12 23.29839 09 51 42.14 +20 20 44.6 21.0 R H01 – Magdalena Ridge Observatory, Socorro MPS 448550
2012 12 23.30445 09 51 41.78 +20 22 11.9 21.6 R H01 – Magdalena Ridge Observatory, Socorro MPS 448550
2012 12 23.31306 09 51 41.23 +20 24 16.6 20.7 R H01 – Magdalena Ridge Observatory, Socorro MPS 448550
2012 12 23.31920 09 51 40.79 +20 25 45.1 21.4 R H01 – Magdalena Ridge Observatory, Socorro MPS 448550
2012 12 23.46866 09 51 29.23 +21 00 27.5 21.1 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 23.46932 09 51 29.08 +21 00 38.4 21.1 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 23.47000 09 51 29.01 +21 00 47.7 21.4 V G96 – Mt. Lemmon Survey MPS 448550
2012 12 23.47067 09 51 28.94 +21 00 57.0 20.8 V G96 – Mt. Lemmon Survey MPS 448550