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
2001-06-29 08:10:03 C 15 42 56.41 -12 49 38.5 t 608
2001-06-29 08:24:44 C 15 42 54.06 -12 49 34.9 t 608
2001-06-29 08:40:12 C 15 42 51.61 -12 49 32.3 t 608
2002-03-11 08:20:36 C 10 47 30.35 +15 37 16.0 o 644
2003-06-05 05:08:26 C 15 37 30.03 -11 29 47.7 d 291
2003-06-05 05:14:12 C 15 37 29.42 -11 29 46.8 d 291
2003-06-05 05:19:49 C 15 37 28.97 -11 29 44.4 d 291
2003-12-19 11:18:10 C 11 59 37.45 +01 26 14.3 c 691
2003-12-19 11:37:55 C 11 59 37.39 +01 26 21.0 c 691
2003-12-19 11:57:55 C 11 59 37.31 +01 26 28.4 c 691
2004-01-22 08:41:23 C 11 29 59.69 +09 08 55.5 19.7 c 704
2004-01-22 08:59:41 C 11 29 58.08 +09 09 12.1 20.0 c 704
2004-01-22 09:18:19 C 11 29 56.67 +09 09 26.6 20.1 c 704
2004-01-22 09:36:57 C 11 29 55.08 +09 09 41.4 20.1 c 704
2004-01-22 09:55:25 C 11 29 53.57 +09 09 54.8 20.3 c 704
2004-02-16 06:58:07 C 10 32 46.50 +16 51 23.2 20.4 c 704
2004-02-16 07:14:57 C 10 32 44.93 +16 51 34.7 19.9 c 704
2004-02-16 07:31:47 C 10 32 43.21 +16 51 45.5 19.3 c 704
2004-02-16 07:48:36 C 10 32 41.54 +16 51 56.2 19.8 c 704
2004-02-16 08:53:19 C 10 32 34.96 +16 52 37.1 c 691
2004-02-16 09:32:20 C 10 32 31.01 +16 53 01.3 c 691
2004-02-16 10:16:33 C 10 32 26.54 +16 53 28.7 c 691
2005-05-06 00:58:01 C 15 44 04.40 -11 48 25.5 21.4 o J50
2005-05-06 00:59:40 C 15 44 04.28 -11 48 24.8 21.6 o J50
2005-05-06 01:27:50 C 15 44 02.27 -11 48 17.6 21.6 o J50
2005-05-06 01:29:28 C 15 44 02.18 -11 48 16.5 21.8 o J50
2005-05-06 02:06:06 C 15 43 59.69 -11 48 06.4 21.5 o J50
2005-05-06 02:07:43 C 15 43 59.53 -11 48 05.7 21.8 o J50
2005-05-11 07:26:55 C 15 35 07.71 -11 12 47.2 d 291
2005-05-11 07:33:09 C 15 35 07.28 -11 12 45.6 d 291
2005-05-11 07:54:56 C 15 35 05.60 -11 12 39.6 d 291
2005-06-14 03:56:25 C 14 34 24.30 -08 01 02.6 d 291
2005-06-14 04:01:56 C 14 34 23.92 -08 01 03.1 d 291
2005-12-28 12:09:19 C 12 51 01.24 -08 51 49.6 o 696
2005-12-28 12:11:07 C 12 51 00.57 -08 51 42.7 o 696
2005-12-31 12:49:02 C 12 20 24.55 -03 48 42.9 o 696
2005-12-31 12:50:48 C 12 20 23.80 -03 48 36.2 o 696
2006-01-06 11:49:35 C 11 25 58.20 +05 19 31.4 o 699
2006-01-06 12:18:27 C 11 25 47.75 +05 21 11.0 o 699
2006-01-06 12:47:19 C 11 25 37.22 +05 22 50.6 o 699
2006-01-08 09:48:03 C 11 10 17.58 +07 52 07.9 r 703
2006-01-08 09:55:54 C 11 10 14.91 +07 52 32.8 r 703
2006-01-08 10:03:50 C 11 10 12.18 +07 52 58.4 r 703
2006-01-08 10:11:40 C 11 10 09.51 +07 53 22.9 r 703
2006-01-09 09:43:46 C 11 02 28.89 +09 06 13.1 r 703
2006-01-09 09:52:24 C 11 02 25.98 +09 06 38.7 r 703
2006-01-09 10:01:01 C 11 02 23.13 +09 07 04.9 r 703
2006-01-09 10:09:39 C 11 02 20.25 +09 07 31.0 r 703
2006-01-09 10:32:33 C 11 02 11.73 +09 08 38.0 r H45
2006-01-09 10:42:48 C 11 02 08.34 +09 09 08.7 r H45