[ hide orbit diagram ]
For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1202073108062999 | 3.7378e-08 | |
| a | 2.602128626466774 | 1.0772e-08 | au |
| q | 2.289333741907112 | 9.5134e-08 | au |
| i | 12.1663114194383 | 4.2851e-06 | deg |
| node | 270.0670433973916 | 1.8784e-05 | deg |
| peri | 164.9565577650147 | 2.6359e-05 | deg |
| M | 145.6813758329601 | 1.94e-05 | deg |
| tp | 2458380.069554539491
(2018-Sep-18.56955454) | 8.099e-05 | TDB |
| period | 1533.174430078726
4.20 | 9.5206e-06
2.607e-08 | d
yr |
| n | .234806942339571 | 1.4581e-09 | deg/d |
| Q | 2.914923511026435 | 1.2067e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.4 |
|
n/a |
MPO384855 |
|
| diameter |
diameter |
8.799 |
km |
0.338 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
15.3498 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.274 |
|
0.044 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 11151 Oodaigahara | Discovered 1997 Dec. 24 by T. Kobayashi at Oizumi. |
| Oodaigahara is located on the southern end of the mountain-chain boundary between Nara and Mie prefectures. It affords beautiful views and is one of the 100 celebrated mountains in Japan. Oodaigahara is in the National Park of Yoshino-Kumano and was registered as a UNESCO world heritage site in 2004. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20060413/MPCPages.arc | Last Updated: 2006-04-17 |
|
[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
| Date/Time (TDB) |
Time Uncertainty
(days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
| 1979-Mar-19 18:46 |
< 00:01 |
Psych |
0.0356475315292113 |
0.0356464415381064 |
0.0356486220738185 |
4.41790761638958 |
4.41790753956378 |
2443952.282071442 |
0.744328533610227 |
286.27966599889 |
33.4845919057771 |
-81.3444067408099 |
157353.257899576 |
T |
38 |
CATAB v2.0f-lin.ifort 2020-Nov-13 03:01:34 |
2020-Nov-13 03:01 |
| 2094-Sep-20 06:04 |
00:02 |
Hebe |
0.049405863887456 |
0.0493902318691518 |
0.0494214971394595 |
8.89658848782004 |
8.89658847367658 |
2486140.752827549 |
1.64564851993941 |
871.38962836592 |
32.3590709038186 |
-26.5780427309846 |
102457.961790402 |
T |
38 |
CATAB v2.0f-lin.ifort 2020-Nov-13 03:01:34 |
2020-Nov-13 03:01 |
|
Alternate Designations
| 1997 YZ2 = 1983 NC1 = 1983 OP = 1984 WE |
|
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