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(2007 RW8)
Classification: Mars-crossing Asteroid          SPK-ID: 3384063
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5125139718888423 2.6607e-05  
a 2.821854314556357 0.00013625 au
q 1.375614551711412 8.6717e-06 au
i 3.350576177585196 0.00012032 deg
node 10.50957094631836 0.00068393 deg
peri 33.97821306858762 0.0013513 deg
M 279.697199437798 0.078586 deg
tp 2459586.714433719259
(2022-Jan-07.21443372)
0.40593 TDB
period 1731.411546864244
4.74
0.1254
0.0003433
d
yr
n .2079228365156715 1.5059e-05 deg/d
Q 4.268094077401302 0.00020608 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      121 days  
   first obs. used      2007-09-05  
   last obs. used      2008-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .39235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 00:43:28  

Additional Information
 Earth MOID = .385627 au 
 Jupiter MOID = 1.17901 au 
 T_jup = 3.106 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.7   n/a MPO143286  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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