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70229 (1999 RO54)
Classification: Main-belt Asteroid          SPK-ID: 2070229
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947863896161064 4.5458e-08  
a 2.57829844598613 1.3235e-08 au
q 2.076081000339674 1.1881e-07 au
i 4.311232960611756 3.2058e-06 deg
node 134.6986187942962 7.4299e-05 deg
peri 227.2564934556418 7.5175e-05 deg
M 343.3148091321106 1.1318e-05 deg
tp 2459070.585291732822
(2020-Aug-09.08529173)
4.7386e-05 TDB
period 1512.161606276396
4.14
1.1643e-05
3.188e-08
d
yr
n .2380697926106441 1.8331e-09 deg/d
Q 3.080515891632586 1.5813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9215 days (25.23 yr)  
   first obs. used      1995-08-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:27  

Additional Information
 Earth MOID = 1.07596 au 
 Jupiter MOID = 2.37642 au 
 T_jup = 3.395 
[ 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 15.5   n/a MPO474581  

70229 (1999 RO54)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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