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183371 (2002 XP20)
Classification: Main-belt Asteroid          SPK-ID: 2183371
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968321614553614 7.4994e-08  
a 2.541146227372749 1.6483e-08 au
q 2.040966922864834 1.9593e-07 au
i 2.311923331074073 5.4167e-06 deg
node 342.5371824245585 0.00013455 deg
peri 9.917908228916145 0.00013515 deg
M 165.0954257105432 1.3298e-05 deg
tp 2458321.960004320150
(2018-Jul-22.46000432)
5.5858e-05 TDB
period 1479.595194072941
4.05
1.4396e-05
3.941e-08
d
yr
n .2433097927339258 2.3673e-09 deg/d
Q 3.041325531880665 1.9727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      7732 days (21.17 yr)  
   first obs. used      1998-11-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6339  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:35:13  

Additional Information
 Earth MOID = 1.03559 au 
 Jupiter MOID = 2.39423 au 
 T_jup = 3.417 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO459834  
rotation period rot_per 3.381 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

183371 (2002 XP20)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2002 XP20 = 2002 VT104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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