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441479 (2008 RD129)
Classification: Main-belt Asteroid          SPK-ID: 2441479
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483093505350717 8.5747e-08  
a 2.447581201779774 2.7907e-08 au
q 2.084582023361965 1.9505e-07 au
i 6.054230353153239 4.3961e-06 deg
node 260.1222627931809 7.4499e-05 deg
peri 42.70577609279567 8.1496e-05 deg
M 169.9754136881982 3.7891e-05 deg
tp 2458540.129451045317
(2019-Feb-25.62945105)
0.00013885 TDB
period 1398.634028682421
3.83
2.392e-05
6.549e-08
d
yr
n .2573939948673613 4.4021e-09 deg/d
Q 2.810580380197582 3.2045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      4514 days (12.36 yr)  
   first obs. used      2008-09-09  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:12:11  

Additional Information
 Earth MOID = 1.07185 au 
 Jupiter MOID = 2.40097 au 
 T_jup = 3.475 
[ 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 16.7   n/a MPO503569  

441479 (2008 RD129)          Discovered 2008-Sep-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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