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21307 (1996 XG3)
Classification: Main-belt Asteroid          SPK-ID: 2021307
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598010647809164 3.2288e-08  
a 2.305635626551967 7.6935e-09 au
q 1.937192598432147 7.7126e-08 au
i 4.641870075820068 3.3982e-06 deg
node 53.31239151860161 6.0555e-05 deg
peri 359.4268017027875 6.2649e-05 deg
M 331.5116437709493 1.6682e-05 deg
tp 2459301.692733762233
(2021-Mar-28.19273376)
5.9384e-05 TDB
period 1278.746441581473
3.50
6.4004e-06
1.752e-08
d
yr
n .2815257100968153 1.4091e-09 deg/d
Q 2.674078654671786 8.9229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1404  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1996-12-06  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:51:55  

Additional Information
 Earth MOID = .947441 au 
 Jupiter MOID = 2.67764 au 
 T_jup = 3.567 
[ 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 15.04   n/a E2021B10  

21307 (1996 XG3)          Discovered 1996-Dec-03 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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