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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1161726571043869 | 1.7471e-08 | |
| a | 2.688559557483608 | 7.8509e-09 | au |
| q | 2.376222449907342 | 4.9767e-08 | au |
| i | 13.3931244621043 | 4.3826e-07 | deg |
| node | 328.8991098175694 | 3.7456e-06 | deg |
| peri | 81.09162319369567 | 8.6841e-06 | deg |
| M | 325.5101708328808 | 1.0259e-05 | deg |
| tp | 2459550.764665427146
(2021-Dec-02.26466543) | 4.6212e-05 | TDB |
| period | 1610.192943684311
4.41 | 7.0529e-06
1.931e-08 | d
yr |
| n | .2235756909828941 | 9.793e-10 | deg/d |
| Q | 3.000896665059873 | 8.763e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.52 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
26.684 |
km |
0.397 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
7.142 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[LeCrone, C.; Addleman, D.; Butler, T.; Hudson, E.; et al. (2005) Minor Planet Bull. 32, 46-48.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.206 |
|
0.009 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| SMASSII spectral type |
spec_B |
Xe |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 1098 Hakone (1928 RJ) Discovered 1928-Sep-05 by Oikawa, O. at Tokyo |
| Independent discovery Sept. 9 by M. Wolf, Heidelberg, was announced first. |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1928 RJ = 1926 EC = 1950 QH1 = 1952 BE1 = A906 RD = A917 DD |
|
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