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441478 (2008 RP128)
Classification: Main-belt Asteroid          SPK-ID: 2441478
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09331405777784804 7.8148e-08  
a 2.398689297998629 2.9824e-08 au
q 2.174857866254079 1.813e-07 au
i 5.648426988264649 8.6361e-06 deg
node 316.8026830708267 5.2407e-05 deg
peri 211.219455900423 6.0596e-05 deg
M 333.2198727375303 3.4686e-05 deg
tp 2459497.441454614883
(2021-Oct-09.94145461)
0.00013173 TDB
period 1356.936182759828
3.72
2.5307e-05
6.929e-08
d
yr
n .2653035600154812 4.948e-09 deg/d
Q 2.622520729743178 3.2607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      4542 days (12.44 yr)  
   first obs. used      2008-09-09  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:40:57  

Additional Information
 Earth MOID = 1.18494 au 
 Jupiter MOID = 2.36228 au 
 T_jup = 3.515 
[ 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 17.24   n/a MPCxxxxx  

441478 (2008 RP128)          Discovered 2008-Sep-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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