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
2020-01-26 22:44:22 s 1 -27468.274 0 +407204.61 5040.0 C57
2020-01-26 23:14:22 S 08 49 13.200 +37 43 52.28 V C57
2020-01-26 23:14:22 s 1 -28499.939 0 +407455.96 9230.0 C57
2020-01-26 23:44:22 S 08 49 11.640 +37 44 13.88 V C57
2020-01-26 23:44:22 s 1 -29531.205 0 +407699.64 1750.0 C57
2020-01-27 00:14:22 S 08 49 10.111 +37 44 35.92 V C57
2020-01-27 00:14:22 s 1 -30562.054 0 +407935.69 2620.0 C57
2020-01-27 00:44:22 S 08 49 08.611 +37 44 58.02 V C57
2020-01-27 00:44:22 s 1 -31592.469 0 +408164.11 1900.0 C57
2020-01-27 01:14:22 S 08 49 07.075 +37 45 19.69 V C57
2020-01-27 01:14:22 s 1 -32622.430 0 +408384.91 9590.0 C57
2020-01-27 01:44:22 S 08 49 05.534 +37 45 41.62 V C57
2020-01-27 01:44:22 s 1 -33651.920 0 +408598.11 5740.0 C57
2020-01-27 02:14:22 S 08 49 03.967 +37 46 03.86 V C57
2020-01-27 02:14:22 s 1 -34680.922 0 +408803.72 380.0 C57
2020-01-27 02:44:22 S 08 49 02.390 +37 46 26.18 V C57
2020-01-27 02:44:22 s 1 -35709.417 0 +409001.74 3530.0 C57
2020-01-27 03:14:22 S 08 49 00.830 +37 46 48.18 V C57
2020-01-27 03:14:22 s 1 -36737.388 0 +409192.20 5230.0 C57
2020-01-27 03:44:22 S 08 48 59.302 +37 47 09.71 V C57
2020-01-27 03:44:22 s 1 -37764.818 0 +409375.10 5500.0 C57
2020-01-27 04:14:22 S 08 48 57.763 +37 47 31.67 V C57
2020-01-27 04:14:22 s 1 -38791.688 0 +409550.46 4380.0 C57
2020-01-27 04:44:22 S 08 48 56.191 +37 47 53.70 V C57
2020-01-27 04:44:22 s 1 -39817.981 0 +409718.29 1890.0 C57
2020-01-27 05:14:22 S 08 48 54.607 +37 48 15.62 V C57
2020-01-27 05:14:22 s 1 -40843.680 0 +409878.59 8070.0 C57
2020-01-27 05:44:22 S 08 48 53.026 +37 48 37.87 V C57
2020-01-27 05:44:22 s 1 -41868.767 0 +410031.38 2940.0 C57
2020-01-27 06:14:22 S 08 48 51.449 +37 49 00.01 V C57
2020-01-27 06:14:22 s 1 -42893.225 0 +410176.68 6540.0 C57
2020-01-27 06:44:22 S 08 48 49.915 +37 49 21.58 V C57
2020-01-27 06:44:22 s 1 -43917.037 0 +410314.48 8890.0 C57
2020-01-27 07:14:22 S 08 48 48.326 +37 49 43.28 V C57
2020-01-27 07:14:22 s 1 -44940.185 0 +410444.80 10.0 C57
2020-01-27 07:44:22 S 08 48 46.747 +37 50 05.39 V C57
2020-01-27 07:44:22 s 1 -45962.651 0 +410567.66 9950.0 C57
2020-01-27 08:14:22 S 08 48 45.154 +37 50 27.31 V C57
2020-01-27 08:14:22 s 1 -46984.420 0 +410683.05 8730.0 C57
2020-01-27 08:44:22 S 08 48 43.548 +37 50 49.13 V C57
2020-01-27 08:44:22 s 1 -48005.473 0 +410791.00 6370.0 C57
2020-01-27 09:14:22 S 08 48 41.959 +37 51 11.52 V C57
2020-01-27 09:14:22 s 1 -49025.793 0 +410891.51 2910.0 C57
2020-01-27 09:44:22 S 08 48 40.404 +37 51 33.12 V C57
2020-01-27 09:44:22 s 1 -50045.364 0 +410984.59 8370.0 C57
2020-01-27 10:14:22 S 08 48 38.827 +37 51 54.43 V C57
2020-01-27 10:14:22 s 1 -51064.168 0 +411070.25 2780.0 C57
2020-01-27 10:44:22 S 08 48 37.262 +37 52 16.00 V C57
2020-01-27 10:44:22 s 1 -52082.188 0 +411148.49 6170.0 C57
2020-01-27 11:14:22 S 08 48 35.638 +37 52 38.03 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)