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
2020-02-27 05:44:20 s 1 -146956.63 8 +375590.59 3780.0 C57
2020-02-27 07:14:20 S 16 07 39.362 +69 17 23.64 V C57
2020-02-27 07:14:20 s 1 -149725.37 9 +373645.27 3310.0 C57
2020-02-27 07:44:20 S 16 07 48.372 +69 17 57.01 V C57
2020-02-27 07:44:20 s 1 -150642.65 3 +372981.92 1020.0 C57
2020-02-27 08:14:20 S 16 07 58.387 +69 18 41.33 V C57
2020-02-27 08:14:20 s 1 -151557.06 8 +372311.10 7610.0 C57
2020-02-27 09:14:20 S 16 08 20.561 +69 20 07.26 V C57
2020-02-27 09:14:20 s 1 -153377.21 8 +370947.08 7360.0 C57
2020-02-27 10:44:20 S 16 08 53.081 +69 22 10.67 V C57
2020-02-27 10:44:20 s 1 -156085.37 4 +368845.04 3030.0 C57
2020-02-27 11:14:20 S 16 09 00.538 +69 22 47.78 V C57
2020-02-27 11:14:20 s 1 -156982.10 7 +368129.41 2430.0 C57
2020-02-27 12:14:20 S 16 09 21.790 +69 24 22.86 V C57
2020-02-27 12:14:20 s 1 -158766.44 2 +366675.72 7350.0 C57
2020-02-27 12:16:56 C 16 06 54.19 +69 34 14.9 U I41
2020-02-27 12:18:19 C 16 06 54.68 +69 34 16.8 U I41
2020-02-27 12:41:04 C 16 07 02.20 +69 34 47.1 U I41
2020-02-27 12:44:20 S 16 09 33.881 +69 24 54.72 V C57
2020-02-27 12:44:20 s 1 -159653.99 2 +365937.65 2820.0 C57
2020-02-27 12:46:17 C 16 07 03.83 +69 34 54.0 U I41
2020-02-27 15:44:20 S 16 10 35.316 +69 29 07.84 V C57
2020-02-27 15:44:20 s 1 -164913.01 1 +361351.89 6090.0 C57
2020-02-27 16:14:20 S 16 10 46.397 +69 29 50.10 V C57
2020-02-27 16:14:20 s 1 -165778.21 8 +360561.35 1470.0 C57
2020-02-27 18:14:20 S 16 11 27.072 +69 32 24.86 V C57
2020-02-27 18:14:20 s 1 -169205.77 6 +357324.01 7250.0 C57
2020-02-28 04:44:20 S 16 15 10.058 +69 46 57.54 V C57
2020-02-28 04:44:20 s 1 -186261.47 4 +338344.69 470.0 C57
2020-02-28 05:44:20 S 16 15 30.598 +69 48 21.89 V C57
2020-02-28 05:44:20 s 1 -187797.24 3 +336362.24 0.0 C57
2020-02-28 11:14:20 S 16 17 26.422 +69 55 37.96 V C57
2020-02-28 11:14:20 s 1 -195941.86 0 +324909.79 7650.0 C57
2020-02-28 15:14:20 S 16 18 51.000 +70 01 02.28 V C57
2020-02-28 15:14:20 s 1 -201524.82 8 +315993.18 4410.0 C57
2020-02-28 19:14:20 S 16 20 16.802 +70 06 21.46 V C57
2020-02-28 19:14:20 s 1 -206798.80 5 +306576.95 7750.0 C57
2020-02-29 00:44:20 S 16 22 14.986 +70 13 43.50 V C57
2020-02-29 00:44:20 s 1 -213505.86 1 +292804.98 4300.0 C57
2020-02-29 04:44:20 S 16 23 42.360 +70 19 05.23 V C57
2020-02-29 04:44:20 s 1 -217955.57 4 +282182.22 1580.0 C57
2020-02-29 05:44:20 S 16 24 01.946 +70 20 13.49 V C57
2020-02-29 05:44:20 s 1 -219008.11 7 +279445.92 2050.0 C57
2020-02-29 12:14:20 S 16 26 24.262 +70 28 54.73 V C57
2020-02-29 12:14:20 s 1 -225223.90 1 +260865.19 1550.0 C57
2020-02-29 15:14:20 S 16 27 30.708 +70 32 48.98 V C57
2020-02-29 15:14:20 s 1 -227702.49 3 +251819.93 5360.0 C57
2020-03-01 11:14:20 S 16 34 49.488 +70 58 33.74 V C57
2020-03-01 11:14:20 s 1 -236562.36 9 +183707.13 4930.0 C57
2020-03-01 11:44:20 S 16 35 00.134 +70 59 13.27 V C57