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437238 (2012 XV21)
Classification: Main-belt Asteroid          SPK-ID: 2437238
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009381723530162 5.7145e-08  
a 2.728287131840204 2.551e-08 au
q 2.452898815098002 1.6502e-07 au
i 7.395867215209304 6.2424e-06 deg
node 73.77511984436593 4.4904e-05 deg
peri 264.0909453630582 5.8389e-05 deg
M 314.8759440479666 3.3194e-05 deg
tp 2459206.818972899375
(2020-Dec-23.31897290)
0.00015139 TDB
period 1646.014053407093
4.51
2.3086e-05
6.321e-08
d
yr
n .218710161832965 3.0674e-09 deg/d
Q 3.003675448582408 2.8085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-09-28  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:40:23  

Additional Information
 Earth MOID = 1.45737 au 
 Jupiter MOID = 2.33346 au 
 T_jup = 3.336 
[ 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 17.1   n/a MPO434608  

437238 (2012 XV21)          Discovered 2003-Dec-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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