101869 (1999 MM)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6107336517 ± 3.16e-08
Semi-major axis (a)1.6242011118 AU ± 1.97e-09
Inclination (i)4.76544416° ± 8.51e-06
Long. of Asc. Node (Ω)110.91986363° ± 2.50e-05
Arg. of Perihelion (ω)268.83811916° ± 2.48e-05
Mean Anomaly (M)243.17677701° ± 1.30e-05
Mean Motion (n)0.4761596288°/day ± 8.67e-10
Perihelion dist (q)0.63224684 AU ± 5.13e-08
Aphelion dist (Q)2.61615539 AU ± 5.13e-08
Orbital Period2.06994929 yr ± 3.77e-09
Physical Parameters
H (abs. magnitude)19.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.494″
Uncertainty0
Orbit TypeApollo
MOID0.001640 AU
Observations Used187
Oppositions10
Arc Total1999-2019
First Observation Used1999-06-12
Last Observation Used2019-04-06
Observations (207)
Date Type RA Dec Mag Band Observatory
1999-06-25 00:34:43 C 21 16 36.06 -09 01 16.5 d 046
1999-06-25 00:35:34 C 21 16 36.16 -09 01 15.3 c 118
1999-06-25 00:35:59 C 21 16 36.44 -09 01 14.8 d 046
1999-06-25 00:37:04 C 21 16 36.81 -09 01 13.4 d 046
1999-06-25 00:38:11 C 21 16 37.17 -09 01 12.0 d 046
1999-06-25 16:07:14 C 21 22 05.23 -08 37 20.8 426
1999-06-25 16:11:15 C 21 22 06.62 -08 37 14.2 426
1999-06-25 16:15:06 C 21 22 08.00 -08 37 08.7 426
1999-06-25 23:17:37 C 21 24 45.14 -08 27 11.4 c 118
1999-06-25 23:18:59 C 21 24 45.70 -08 27 09.7 c 118
1999-06-25 23:22:43 C 21 24 47.02 -08 27 02.6 c 118
1999-06-26 18:52:55 C 21 32 29.02 -07 54 09.4 327
1999-06-26 18:58:32 C 21 32 31.48 -07 53 57.8 327
1999-06-26 19:05:40 C 21 32 34.15 -07 53 46.4 18.4 327
1999-07-01 16:06:27 C 22 39 07.84 -02 51 01.6 z 428
1999-07-01 16:11:59 C 22 39 11.84 -02 50 41.5 z 428
1999-07-01 16:14:49 C 22 39 13.98 -02 50 31.5 z 428
1999-07-01 16:44:12 C 22 39 35.71 -02 48 48.1 z 428
1999-07-02 16:21:25 C 22 58 48.50 -01 17 41.8 413
1999-07-02 16:23:37 C 22 58 50.36 -01 17 32.7 413
1999-07-02 16:28:04 C 22 58 54.12 -01 17 14.6 413
1999-07-05 00:56:39 C 23 54 37.01 +03 05 19.5 d 046
1999-07-05 00:57:54 C 23 54 38.40 +03 05 25.9 d 046
1999-07-05 00:59:31 C 23 54 40.22 +03 05 34.9 d 046
1999-07-05 01:00:21 C 23 54 41.10 +03 05 38.9 d 046
1999-07-05 01:03:25 C 23 54 44.53 +03 05 54.9 d 046
1999-07-09 19:05:08 C 02 14 07.76 +12 36 27.8 426
1999-07-09 19:09:52 C 02 14 13.38 +12 36 46.6 426
1999-07-09 19:14:50 C 02 14 19.18 +12 37 07.2 426
1999-07-09 19:20:32 C 02 14 25.90 +12 37 27.6 426
1999-10-08 14:47:43 C 10 06 28.76 +10 52 08.2 568
1999-10-08 14:57:41 C 10 06 29.90 +10 52 03.6 568
1999-10-08 15:05:45 C 10 06 30.87 +10 51 59.8 568
1999-10-11 15:07:18 C 10 14 49.47 +10 18 09.1 568
2001-06-16 04:41:57 C 16 29 24.69 -13 53 21.9 715
2001-06-16 05:05:38 C 16 29 21.45 -13 53 15.9 715
2001-06-18 23:22:05 C 16 20 08.56 -13 40 06.7 493
2001-06-18 23:30:42 C 16 20 07.30 -13 40 04.9 493
2001-06-19 08:32:15 C 16 18 50.56 -13 38 12.2 t 608
2001-06-19 08:47:40 C 16 18 48.33 -13 38 08.9 t 608
2001-06-19 09:03:57 C 16 18 45.81 -13 38 05.0 t 608
2001-06-19 23:00:05 C 16 16 45.88 -13 35 21.3 493
2001-06-19 23:01:58 C 16 16 45.60 -13 35 20.9 493
2001-06-20 10:36:55 C 16 15 04.79 -13 32 56.1 c 608
2001-06-20 10:52:09 C 16 15 02.49 -13 32 52.9 c 608
2001-06-20 11:07:24 C 16 15 00.17 -13 32 48.6 c 608
2001-06-20 21:05:38 C 16 13 34.07 -13 30 55.0 046
2001-06-20 21:12:27 C 16 13 33.08 -13 30 53.5 046
2001-06-20 21:13:58 C 16 13 32.86 -13 30 54.2 046
2001-06-20 21:15:25 C 16 13 32.66 -13 30 53.3 046