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441473 (2008 RJ94)
Classification: Main-belt Asteroid          SPK-ID: 2441473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084105238823182 7.8125e-08  
a 2.37553184500896 1.471e-08 au
q 1.880446008691513 1.8286e-07 au
i 2.483764442845723 7.2039e-06 deg
node 183.25467964 0.00017101 deg
peri 195.8207326732746 0.00017344 deg
M 74.2949102471804 2.1792e-05 deg
tp 2458724.508139876967
(2019-Aug-29.00813988)
8.1e-05 TDB
period 1337.333463540495
3.66
1.2421e-05
3.401e-08
d
yr
n .2691923965223495 2.5003e-09 deg/d
Q 2.870617681326407 1.7775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      4154 days (11.37 yr)  
   first obs. used      2008-09-06  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:22  

Additional Information
 Earth MOID = .882751 au 
 Jupiter MOID = 2.58974 au 
 T_jup = 3.511 
[ 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 18.0   n/a MPO503569  

441473 (2008 RJ94)          Discovered 2008-Sep-06 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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