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59122 (1998 XJ15)
Classification: Main-belt Asteroid          SPK-ID: 2059122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04870349361401213 3.4993e-08  
a 2.733238909265293 1.4659e-08 au
q 2.600120625502321 1.0198e-07 au
i 7.169951397415558 3.2887e-06 deg
node 100.7358688268452 3.5842e-05 deg
peri 320.0770164957859 5.9407e-05 deg
M 279.9338749397659 4.6529e-05 deg
tp 2459367.580342696192
(2021-Jun-02.08034270)
0.00021293 TDB
period 1650.497301714214
4.52
1.3278e-05
3.635e-08
d
yr
n .2181160790908913 1.7547e-09 deg/d
Q 2.866357193028264 1.5373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      9457 days (25.89 yr)  
   first obs. used      1994-12-02  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:48:07  

Additional Information
 Earth MOID = 1.6182 au 
 Jupiter MOID = 2.30429 au 
 T_jup = 3.340 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO474472  
rotation period rot_per 1.78 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

59122 (1998 XJ15)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 XJ15 = 2000 GR167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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