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102942 (1999 XX50)
Classification: Main-belt Asteroid          SPK-ID: 2102942
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287481241039442 4.8196e-08  
a 2.341150384554337 9.5276e-09 au
q 2.039731664297739 1.1187e-07 au
i 8.339827975038373 3.3817e-06 deg
node 84.84471867559674 3.5781e-05 deg
peri 218.78289913138 4.0327e-05 deg
M 61.82970899857774 1.8929e-05 deg
tp 2458975.782395789582
(2020-May-06.28239579)
6.8937e-05 TDB
period 1308.405600252971
3.58
7.9871e-06
2.187e-08
d
yr
n .2751440378506454 1.6796e-09 deg/d
Q 2.642569104810935 1.0754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      8263 days (22.62 yr)  
   first obs. used      1998-05-24  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:49  

Additional Information
 Earth MOID = 1.02946 au 
 Jupiter MOID = 2.55434 au 
 T_jup = 3.539 
[ 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 16.36   n/a E2021B55  

102942 (1999 XX50)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XX50 = 2002 RM213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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