52768 (1998 OR2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5757189890 ± 5.34e-10
Semi-major axis (a)2.3793400346 AU ± 6.79e-10
Inclination (i)5.87938456° ± 3.15e-07
Long. of Asc. Node (Ω)26.93086310° ± 7.35e-07
Arg. of Perihelion (ω)174.57236061° ± 1.01e-06
Mean Anomaly (M)188.66062109° ± 2.78e-07
Mean Motion (n)0.2685514540°/day ± 1.15e-10
Perihelion dist (q)1.00950880 AU ± 1.30e-09
Aphelion dist (Q)3.74917127 AU ± 1.66e-09
Orbital Period3.67015806 yr ± 1.57e-09
Physical Parameters
H (abs. magnitude)16.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.161″
Uncertainty0
Orbit TypeApollo
MOID0.006993 AU
Observations Used5779
Radar Obs Used8
Gaia Obs Used66
Oppositions21
Arc Total1987-2025
First Observation Used1987-06-30
Last Observation Used2025-11-11
Observations (6539)
Date Type RA Dec Mag Band Observatory
2020-01-29 21:14:22 s 1 -161061.00 3 +370596.98 9520.0 C57
2020-01-29 21:44:22 S 08 45 11.100 +38 33 37.15 V C57
2020-01-29 21:44:22 s 1 -161862.42 8 +369828.95 7380.0 C57
2020-01-29 22:14:22 S 08 45 09.218 +38 33 57.35 V C57
2020-01-29 22:14:22 s 1 -162660.81 1 +369053.69 3200.0 C57
2020-01-29 22:44:22 S 08 45 07.274 +38 34 17.40 V C57
2020-01-29 22:44:22 s 1 -163456.12 8 +368271.19 6930.0 C57
2020-01-29 23:14:22 S 08 45 05.450 +38 34 37.27 V C57
2020-01-29 23:14:22 s 1 -164248.35 3 +367481.46 8560.0 C57
2020-01-29 23:44:22 S 08 45 03.547 +38 34 57.07 V C57
2020-01-29 23:44:22 s 1 -165037.46 2 +366684.47 8030.0 C57
2020-01-30 00:14:22 S 08 45 01.637 +38 35 17.30 V C57
2020-01-30 00:14:22 s 1 -165823.42 7 +365880.23 5340.0 C57
2020-01-30 00:44:22 S 08 44 59.736 +38 35 37.14 V C57
2020-01-30 00:44:22 s 1 -166606.22 3 +365068.73 440.0 C57
2020-01-30 01:14:22 S 08 44 57.840 +38 35 57.16 V C57
2020-01-30 01:14:22 s 1 -167385.82 5 +364249.96 3310.0 C57
2020-01-30 01:44:22 S 08 44 55.937 +38 36 17.17 V C57
2020-01-30 01:44:22 s 1 -168162.20 5 +363423.92 3910.0 C57
2020-01-30 02:14:22 S 08 44 54.031 +38 36 36.86 V C57
2020-01-30 02:14:22 s 1 -168935.33 8 +362590.60 2220.0 C57
2020-01-30 02:44:22 S 08 44 52.106 +38 36 56.92 V C57
2020-01-30 02:44:22 s 1 -169705.19 6 +361749.99 8200.0 C57
2020-01-30 03:14:22 S 08 44 50.150 +38 37 16.79 V C57
2020-01-30 03:14:22 s 1 -170471.75 3 +360902.08 1810.0 C57
2020-01-30 03:44:22 S 08 44 48.266 +38 37 36.70 V C57
2020-01-30 03:44:22 s 1 -171234.98 2 +360046.88 3040.0 C57
2020-01-30 04:14:22 S 08 44 46.380 +38 37 55.99 V C57
2020-01-30 04:14:22 s 1 -171994.85 5 +359184.36 1840.0 C57
2020-01-30 04:44:22 S 08 44 44.424 +38 38 16.33 V C57
2020-01-30 04:44:22 s 1 -172751.34 4 +358314.53 8190.0 C57
2020-01-30 05:14:22 S 08 44 42.523 +38 38 35.81 V C57
2020-01-30 05:14:22 s 1 -173504.42 3 +357437.38 2050.0 C57
2020-01-30 05:44:22 S 08 44 40.618 +38 38 55.97 V C57
2020-01-30 05:44:22 s 1 -174254.06 2 +356552.89 3390.0 C57
2020-01-30 06:12:35 C 08 44 10.41 +38 25 33.7 U I41
2020-01-30 06:14:22 S 08 44 38.659 +38 39 15.41 V C57
2020-01-30 06:14:22 s 1 -175000.23 3 +355661.06 2170.0 C57
2020-01-30 06:27:00 C 08 44 09.55 +38 25 43.3 U I41
2020-01-30 06:42:08 C 08 44 08.66 +38 25 53.4 U I41
2020-01-30 06:44:22 S 08 44 36.758 +38 39 35.50 V C57
2020-01-30 06:44:22 s 1 -175742.90 9 +354761.89 8360.0 C57
2020-01-30 07:14:22 S 08 44 34.805 +38 39 55.01 V C57
2020-01-30 07:14:22 s 1 -176482.05 9 +353855.36 1940.0 C57
2020-01-30 07:44:22 S 08 44 32.875 +38 40 14.66 V C57
2020-01-30 07:44:22 s 1 -177217.65 6 +352941.47 2850.0 C57
2020-01-30 07:56:54 C 08 44 04.19 +38 26 42.2 U I41
2020-01-30 08:14:22 S 08 44 30.965 +38 40 34.57 V C57
2020-01-30 08:14:22 s 1 -177949.66 9 +352020.21 1080.0 C57
2020-01-30 08:44:22 S 08 44 29.026 +38 40 53.90 V C57
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-04-16 23:39:00 74169888.28 0.55 us 2380 -1 -1
2020-04-17 00:39:00 74006133.3 0.55 us 2380 -1 -1
2020-04-17 23:49:00 70213370.86 0.54 us 2380 -1 -1
2020-04-18 23:37:00 66419421.12 0.54 us 2380 -1 -1
2020-04-19 23:42:00 62708392.59 0.54 us 2380 -1 -1
2020-04-22 00:23:00 55726484.71 0.53 us 2380 -1 -1
2020-04-23 00:30:00 52603664 0.53 us 2380 -1 -1
2020-04-23 23:47:00 49859572.3 0.53 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)