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
2005-05-03 06:56:13 C 12 33 45.91 +09 45 20.0 r 703
2005-05-09 04:27:45 C 12 40 22.08 +08 20 56.5 r 703
2005-05-09 04:35:27 C 12 40 22.40 +08 20 53.0 r 703
2005-05-09 04:43:12 C 12 40 22.69 +08 20 48.0 r 703
2005-05-09 04:50:51 C 12 40 23.01 +08 20 43.5 r 703
2009-07-24 05:52:35 C 20 50 45.31 -08 28 55.8 o H55
2009-07-24 06:01:30 C 20 50 44.82 -08 28 57.7 o H55
2009-07-24 06:29:18 C 20 50 43.24 -08 29 03.6 o H55
2012-09-02 09:24:40 C 04 36 54.89 +19 30 50.8 u 807
2012-09-02 09:28:57 C 04 36 56.23 +19 30 51.4 u 807
2012-09-02 09:34:58 C 04 36 58.15 +19 30 51.6 u 807
2012-09-02 09:41:31 C 04 37 00.22 +19 30 52.5 u 807
2012-09-02 09:46:05 C 04 37 01.68 +19 30 53.1 u 807
2013-06-09 08:55:30 C 16 26 40.631 -10 01 55.14 L F51
2013-06-09 09:15:33 C 16 26 39.410 -10 01 53.58 L F51
2014-07-22 07:29:49 C 20 05 56.86 -10 42 43.6 u H21
2014-07-22 07:51:02 C 20 05 55.70 -10 42 47.3 u H21
2014-07-22 08:12:34 C 20 05 54.49 -10 42 51.1 u H21
2014-07-24 05:24:57 C 20 03 26.08 -10 51 24.4 u H21
2014-07-24 05:55:34 C 20 03 24.39 -10 51 29.1 u H21
2014-07-24 06:11:24 C 20 03 23.45 -10 51 30.3 u H21
2017-07-29 13:35:58 C 23 09 42.068 +01 28 58.49 L F51
2017-07-29 13:54:23 C 23 09 41.796 +01 28 57.72 L F51
2017-07-29 14:12:46 C 23 09 41.535 +01 28 56.97 L F51
2017-07-29 14:31:02 C 23 09 41.272 +01 28 56.19 L F51
2017-08-22 15:28:45 C 22 49 25.87 -00 40 26.3 q D29
2017-08-22 15:49:07 C 22 49 24.61 -00 40 35.0 q D29
2017-08-22 16:09:28 C 22 49 23.30 -00 40 43.7 q D29
2017-08-28 07:57:51 C 22 40 18.82 -01 48 50.5 q G96
2017-08-28 08:06:22 C 22 40 18.16 -01 48 55.3 q G96
2017-08-28 08:14:52 C 22 40 17.51 -01 49 00.2 q G96
2017-08-28 08:23:21 C 22 40 16.89 -01 49 04.8 q G96
2017-08-31 09:45:42 C 22 34 41.63 -02 32 34.7 L T08
2017-08-31 09:57:12 C 22 34 40.67 -02 32 41.7 L T08
2017-08-31 10:09:30 C 22 34 39.62 -02 32 48.1 L T08
2017-08-31 10:20:44 C 22 34 38.84 -02 32 56.4 L T08
2017-09-01 09:37:38 C 22 32 46.07 -02 47 46.4 q G96
2017-09-01 09:43:41 C 22 32 45.55 -02 47 49.8 q G96
2017-09-01 09:49:45 C 22 32 45.03 -02 47 53.9 q G96
2017-09-01 09:55:48 C 22 32 44.51 -02 47 57.7 q G96
2017-09-25 04:07:01 C 21 37 50.17 -10 39 48.2 q 703
2017-09-25 04:14:47 C 21 37 49.30 -10 39 55.7 q 703
2017-09-25 04:22:36 C 21 37 48.53 -10 40 02.0 q 703
2017-09-25 04:30:25 C 21 37 47.74 -10 40 09.6 q 703
2017-09-26 07:45:54 C 21 35 05.11 -11 05 12.2 L T05
2017-09-26 07:55:50 C 21 35 04.05 -11 05 21.1 L T05
2017-09-26 08:04:52 C 21 35 03.14 -11 05 29.8 L T05
2017-09-26 08:14:33 C 21 35 02.12 -11 05 38.6 L T05
2017-10-11 06:32:25 C 21 03 32.239 -16 19 19.54 L F51
2017-10-11 06:50:12 C 21 03 30.841 -16 19 33.88 L F51
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)