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102992 (1999 XP90)
Classification: Main-belt Asteroid          SPK-ID: 2102992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907672002155766 6.6669e-08  
a 2.417918348721944 1.016e-08 au
q 1.956658834986388 1.5983e-07 au
i 6.176443952867196 4.4591e-06 deg
node 270.5549490864558 5.9416e-05 deg
peri 234.3574042299923 6.029e-05 deg
M 179.4290875503458 1.0426e-05 deg
tp 2458516.035038260104
(2019-Feb-01.53503826)
3.9464e-05 TDB
period 1373.28562269606
3.76
8.6559e-06
2.37e-08
d
yr
n .2621450294464172 1.6523e-09 deg/d
Q 2.8791778624575 1.2098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:19  

Additional Information
 Earth MOID = .97659 au 
 Jupiter MOID = 2.1774 au 
 T_jup = 3.483 
[ 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 15.51   n/a E2021B55  

102992 (1999 XP90)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XP90 = 2002 TR123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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