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192912 (1999 XU245)
Classification: Main-belt Asteroid          SPK-ID: 2192912
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 .3588190768285172 7.3785e-08  
a 2.747211327348691 2.2806e-08 au
q 1.761459495016588 2.1154e-07 au
i 8.913054589271114 5.6574e-06 deg
node 121.9137623066091 4.0168e-05 deg
peri 254.0992269990101 4.1228e-05 deg
M 246.974481853029 7.9864e-06 deg
tp 2459722.668339155433
(2022-May-23.16833916)
4.1497e-05 TDB
period 1663.169567172594
4.55
2.071e-05
5.67e-08
d
yr
n .2164541770758852 2.6954e-09 deg/d
Q 3.732963159680795 3.0989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      1999-12-05  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:04  

Additional Information
 Earth MOID = .785992 au 
 Jupiter MOID = 1.8223 au 
 T_jup = 3.234 
[ 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 16.14   n/a E2021B55  

192912 (1999 XU245)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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