152770 (1999 RR28)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6543120088 ± 9.28e-09
Semi-major axis (a)1.8784194769 AU ± 3.83e-10
Inclination (i)7.14320299° ± 4.53e-06
Long. of Asc. Node (Ω)178.13518430° ± 8.20e-06
Arg. of Perihelion (ω)284.60698754° ± 7.23e-06
Mean Anomaly (M)25.02608632° ± 1.23e-06
Mean Motion (n)0.3828453725°/day ± 1.17e-10
Perihelion dist (q)0.64934706 AU ± 1.74e-08
Aphelion dist (Q)3.10749190 AU ± 1.74e-08
Orbital Period2.57447616 yr ± 7.87e-10
Physical Parameters
H (abs. magnitude)18.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.465″
Uncertainty0
Orbit TypeApollo
MOID0.016634 AU
Observations Used687
Radar Obs Used7
Oppositions11
Arc Total1987-2023
First Observation Used1987-04-20
Last Observation Used2023-06-08
Observations (722)
Date Type RA Dec Mag Band Observatory
2017-10-11 07:07:58 C 21 03 29.442 -16 19 48.26 L F51
2017-10-14 02:37:41 C 20 58 42.29 -17 13 39.9 U 703
2017-10-14 02:45:30 C 20 58 41.71 -17 13 46.0 U 703
2017-10-14 02:53:18 C 20 58 41.19 -17 13 51.5 U 703
2017-10-14 03:01:09 C 20 58 40.51 -17 13 58.5 U 703
2018-04-13 12:43:49 C 16 42 24.129 -11 27 06.73 U F51
2018-04-13 12:59:46 C 16 42 22.957 -11 26 59.46 U F51
2018-04-13 13:31:39 C 16 42 20.618 -11 26 44.97 U F51
2018-04-16 11:04:37 C 16 37 15.76 -10 55 08.4 U G96
2018-04-16 11:13:24 C 16 37 15.09 -10 55 04.1 U G96
2018-04-16 11:22:12 C 16 37 14.39 -10 55 00.1 U G96
2018-04-16 11:30:59 C 16 37 13.73 -10 54 56.4 U G96
2018-05-09 16:15:26 C 15 49 28.86 -07 12 07.7 q D29
2018-05-09 16:35:48 C 15 49 27.06 -07 12 01.0 q D29
2018-05-09 16:56:09 C 15 49 25.28 -07 11 54.4 q D29
2018-05-12 17:30:33 C 15 43 17.14 -06 50 33.0 q D29
2018-05-12 17:50:55 C 15 43 15.37 -06 50 28.3 q D29
2018-05-14 07:01:52 C 15 40 12.60 -06 40 29.0 U G96
2018-05-14 07:09:18 C 15 40 12.00 -06 40 26.7 U G96
2018-05-14 07:16:46 C 15 40 11.37 -06 40 25.2 U G96
2018-05-14 07:24:10 C 15 40 10.76 -06 40 23.2 U G96
2018-05-16 08:41:02 C 15 36 14.75 -06 28 10.7 U 703
2018-05-16 08:56:10 C 15 36 13.54 -06 28 06.9 U 703
2018-05-16 09:03:43 C 15 36 12.89 -06 28 05.1 U 703
2018-06-04 08:03:09 C 15 07 54.765 -05 31 07.66 U F51
2018-06-04 08:21:21 C 15 07 53.914 -05 31 07.35 U F51
2018-06-04 08:39:37 C 15 07 53.062 -05 31 06.88 U F51
2018-06-04 08:57:54 C 15 07 52.204 -05 31 06.41 U F51
2022-08-02 10:20:16 C 21 31 57.635 -06 01 28.09 U F52
2022-08-02 10:36:00 C 21 31 56.700 -06 01 32.63 U F52
2022-08-02 10:51:50 C 21 31 55.771 -06 01 36.76 U F52
2022-08-25 08:25:58 C 20 56 11.913 -09 19 15.75 U F52
2022-08-25 08:43:33 C 20 56 10.692 -09 19 23.03 U F52
2022-08-25 09:01:09 C 20 56 09.463 -09 19 30.28 U F52
2022-08-30 07:13:32 C 20 48 18.378 -10 08 42.36 U F52
2022-08-30 07:31:53 C 20 48 17.152 -10 08 50.11 U F52
2022-08-30 07:50:12 C 20 48 15.926 -10 08 57.83 U F52
2022-08-30 08:08:37 C 20 48 14.692 -10 09 05.36 U F52
2022-09-21 07:05:29 C 20 20 53.681 -13 32 39.78 U F51
2022-09-21 07:23:14 C 20 20 53.032 -13 32 45.71 U F51
2022-09-21 07:41:09 C 20 20 52.366 -13 32 51.61 U F51
2022-09-21 07:58:49 C 20 20 51.712 -13 32 57.52 U F51
2022-09-26 05:55:33 C 20 17 15.555 -14 10 42.29 U F52
2022-09-26 06:12:18 C 20 17 15.093 -14 10 47.38 U F52
2022-09-26 06:28:59 C 20 17 14.624 -14 10 52.27 U F52
2022-10-17 05:36:04 C 20 13 52.934 -16 08 55.85 U F52
2022-10-17 05:54:29 C 20 13 53.152 -16 08 58.81 U F52
2022-10-17 06:12:55 C 20 13 53.328 -16 09 01.66 U F52
2022-10-17 06:31:17 C 20 13 53.506 -16 09 04.95 U F52
2023-03-31 03:18:42 C 04 45 36.252 +22 14 29.90 V 703
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-03-25 19:10:00 200773.9519 0.5 Hz 2380 -1 -1
2005-03-25 21:05:00 71800794.96 0.5 us 2380 -1 -1
2005-03-26 20:09:00 65526582.83 0.5 us 2380 -1 -1
2005-03-27 20:22:00 60493814.96 0.5 us 2380 -1 -1
2005-03-30 00:20:00 56796660.51 0.5 us 8560 -14 -14
2005-04-01 07:00:00 64281421.8 1 us 8560 -14 -14
2005-04-03 08:00:00 78333960 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)