IAA RAS IAA Minor Planet Database

137099 (1998 YW3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4627875716 ± 4.43e-08
Semi-major axis (a)1.1000660951 AU ± 1.31e-09
Inclination (i)28.79394917° ± 6.31e-06
Long. of Asc. Node (Ω)94.26335985° ± 5.45e-06
Arg. of Perihelion (ω)194.85565384° ± 8.23e-06
Mean Anomaly (M)270.76791849° ± 1.27e-05
Mean Motion (n)0.8542482676°/day ± 1.52e-09
Perihelion dist (q)0.59096918 AU ± 4.87e-08
Aphelion dist (Q)1.60916301 AU ± 4.88e-08
Orbital Period1.15379372 yr ± 2.06e-09
Physical Parameters
H (abs. magnitude)18.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.445″
Uncertainty0
Orbit TypeApollo
MOID0.387599 AU
Observations Used601
Oppositions3
Arc Total1998-2023
First Observation Used1998-12-17
Last Observation Used2023-02-03
Observations (714)
Date Type RA Dec Mag Band Observatory
2020-03-01 11:44:20 s 1 -236583.07 0 +181826.28 5300.0 – C57
2020-03-01 12:44:20 S 16 35 21.576 +71 00 22.32 – V C57
2020-03-01 12:44:20 s 1 -236590.25 7 +178038.06 7660.0 – C57
2020-03-01 13:44:20 S 16 35 44.412 +71 01 42.35 – V C57
2020-03-01 13:44:20 s 1 -236550.93 1 +174214.42 1230.0 – C57
2020-03-01 14:14:20 S 16 35 53.930 +71 02 17.66 – V C57
2020-03-01 14:14:20 s 1 -236513.48 2 +172289.31 3130.0 – C57
2020-03-01 15:14:20 S 16 36 16.714 +71 03 29.12 – V C57
2020-03-01 15:14:20 s 1 -236402.30 7 +168412.47 6440.0 – C57
2020-03-01 17:44:20 S 16 37 12.641 +71 06 43.09 – V C57
2020-03-01 17:44:20 s 1 -235905.84 8 +158564.82 4830.0 – C57
2020-03-01 18:14:20 S 16 37 24.336 +71 07 26.04 – V C57
2020-03-01 18:14:20 s 1 -235767.86 5 +156568.60 1550.0 – C57
2020-03-01 18:44:20 S 16 37 33.840 +71 08 00.42 – V C57
2020-03-01 18:44:20 s 1 -235616.61 1 +154563.48 6910.0 – C57
2020-03-01 19:14:20 S 16 37 45.672 +71 08 38.76 – V C57
2020-03-01 19:14:20 s 1 -235451.92 0 +152549.46 730.0 – C57
2020-03-01 19:44:20 S 16 37 56.429 +71 09 09.79 – V C57
2020-03-01 19:44:20 s 1 -235273.62 3 +150526.54 2850.0 – C57
2020-03-01 22:14:20 S 16 38 49.771 +71 12 15.01 – V C57
2020-03-01 22:14:20 s 1 -234171.90 5 +140278.48 1410.0 – C57
2020-03-01 22:44:20 S 16 39 01.042 +71 12 55.04 – V C57
2020-03-01 22:44:20 s 1 -233908.23 8 +138202.21 9400.0 – C57
2020-03-01 23:14:20 S 16 39 12.773 +71 13 33.38 – V C57
2020-03-01 23:14:20 s 1 -233629.68 9 +136117.06 4360.0 – C57
2020-03-02 01:14:20 S 16 39 57.288 +71 16 10.52 – V C57
2020-03-02 01:14:20 s 1 -232362.67 4 +127687.98 9750.0 – C57
2020-03-02 11:14:20 S 16 43 35.544 +71 28 27.19 – V C57
2020-03-02 11:14:20 s 1 -221903.63 5 +83460.914 8580.0 – C57
2020-03-02 11:44:20 S 16 43 47.750 +71 29 03.95 – V C57
2020-03-02 11:44:20 s 1 -221177.40 9 +81161.670 7920.0 – C57
2020-03-02 12:14:20 S 16 43 59.030 +71 29 38.26 – V C57
2020-03-02 12:14:20 s 1 -220429.62 9 +78854.467 7110.0 – C57
2020-03-02 12:44:20 S 16 44 07.687 +71 30 08.93 – V C57
2020-03-02 12:44:20 s 1 -219659.95 8 +76539.385 5780.0 – C57
2020-03-02 13:14:20 S 16 44 21.182 +71 30 53.57 – V C57
2020-03-02 13:14:20 s 1 -218868.04 9 +74216.506 3570.0 – C57
2020-03-02 15:17:20 C 16 43 05.47 +71 32 49.6 – V T08
2020-03-02 15:23:20 C 16 43 07.69 +71 32 56.4 – V T08
2020-03-02 15:30:43 C 16 43 10.58 +71 33 04.3 – V T08
2020-03-02 15:39:28 C 16 43 13.79 +71 33 13.3 – V T08
2020-03-02 15:44:20 S 16 45 14.810 +71 33 46.40 – V C57
2020-03-02 15:44:20 s 1 -214562.29 4 +62488.488 5180.0 – C57
2020-03-02 18:44:20 S 16 46 20.700 +71 37 25.68 – V C57
2020-03-02 18:44:20 s 1 -208582.27 2 +48180.145 1870.0 – C57
2020-03-15 04:14:20 S 19 01 12.910 +74 14 31.31 – V C57
2020-03-15 04:14:20 s 1 -216431.95 7 +249746.89 9390.0 – C57
2020-03-15 09:14:20 S 19 03 41.035 +74 15 04.32 – V C57
2020-03-15 09:14:20 s 1 -220195.48 1 +233649.56 7700.0 – C57
2020-03-15 09:44:19 S 19 03 56.738 +74 15 10.62 – V C57