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308012 (2004 RD195)
Classification: Main-belt Asteroid          SPK-ID: 2308012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08264035366003922 8.9417e-08  
a 3.157565883760753 4.0894e-08 au
q 2.89662352242189 3.0516e-07 au
i 8.194463584283225 7.7856e-06 deg
node 356.1697089872143 3.23e-05 deg
peri .04451801196166296 4.3702e-05 deg
M 304.7983664884235 2.8193e-05 deg
tp 2459314.750868840312
(2021-Apr-10.25086884)
0.00016141 TDB
period 2049.401540966852
5.61
3.9813e-05
1.09e-07
d
yr
n .1756610370411655 3.4125e-09 deg/d
Q 3.418508245099616 4.4274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      5801 days (15.88 yr)  
   first obs. used      2004-09-10  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:56:44  

Additional Information
 Earth MOID = 1.89212 au 
 Jupiter MOID = 2.01066 au 
 T_jup = 3.185 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO437364  

308012 (2004 RD195)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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