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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0932800761934677 8.8709e-08  
a 2.398349704126317 3.5084e-08 au
q 2.174631460986833 2.0082e-07 au
i 5.647777622944896 9.178e-06 deg
node 316.8058936724487 5.6162e-05 deg
peri 211.5942786855666 6.4341e-05 deg
M 121.580153289904 3.3329e-05 deg
tp 2458142.329234502845
(2018-Jan-23.82923450)
0.00012213 TDB
period 1356.648031078544
3.71
2.9768e-05
8.15e-08
d
yr
n .2653599104211264 5.8227e-09 deg/d
Q 2.622067947265801 3.8357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      4005 days (10.97 yr)  
   first obs. used      2008-09-09  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:09  

Additional Information
 Earth MOID = 1.18433 au 
 Jupiter MOID = 2.36565 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 17.1   n/a MPO450444  

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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