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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598895621597462 3.2274e-08  
a 2.305865143827285 7.6388e-09 au
q 1.93718137558132 7.7067e-08 au
i 4.641746527289813 3.3942e-06 deg
node 53.31180028074556 5.9768e-05 deg
peri 359.4493097506301 6.1835e-05 deg
M 26.67090629373822 1.6592e-05 deg
tp 2459301.748835479690
(2021-Mar-28.24883548)
5.8822e-05 TDB
period 1278.937387865217
3.50
6.3552e-06
1.74e-08
d
yr
n .2814836781031999 1.3987e-09 deg/d
Q 2.67454891207325 8.8602e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      8833 days (24.18 yr)  
   first obs. used      1996-12-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:32:31  

Additional Information
 Earth MOID = .947776 au 
 Jupiter MOID = 2.67796 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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