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152866 (1999 XP216)
Classification: Main-belt Asteroid          SPK-ID: 2152866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06895659252595344 4.7216e-08  
a 2.172511198787083 8.3628e-09 au
q 2.022702229294252 1.0159e-07 au
i 1.965485826165112 4.8478e-06 deg
node 103.6993766058893 0.00011791 deg
peri 305.6397107052431 0.00012187 deg
M 248.2055270697286 3.2627e-05 deg
tp 2459563.711252346398
(2021-Dec-15.21125235)
0.00010686 TDB
period 1169.611049790078
3.20
6.7534e-06
1.849e-08
d
yr
n .3077946297314931 1.7772e-09 deg/d
Q 2.322320168279915 8.9394e-09 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7509 days (20.56 yr)  
   first obs. used      1999-12-03  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:29:01  

Additional Information
 Earth MOID = 1.03253 au 
 Jupiter MOID = 2.87763 au 
 T_jup = 3.684 
[ 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 17.32   n/a E2021B55  

152866 (1999 XP216)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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