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JPL Small-Body Database Browser
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66630 (1999 RS208)
Classification: Main-belt Asteroid          SPK-ID: 2066630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225606883722311 5.8427e-08  
a 2.641818870520285 1.3858e-08 au
q 2.045806347783408 1.5837e-07 au
i 7.243853364705314 5.1944e-06 deg
node 231.4982216912804 4.7638e-05 deg
peri 95.14505236561997 4.86e-05 deg
M 320.555920954586 1.0664e-05 deg
tp 2459172.343181094264
(2020-Nov-18.84318109)
4.6907e-05 TDB
period 1568.386097257036
4.29
1.2341e-05
3.379e-08
d
yr
n .229535316992166 1.8061e-09 deg/d
Q 3.237831393257161 1.6985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      8548 days (23.40 yr)  
   first obs. used      1995-11-14  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:26:21  

Additional Information
 Earth MOID = 1.04998 au 
 Jupiter MOID = 2.18259 au 
 T_jup = 3.347 
[ 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 15.4   n/a MPO468593  

66630 (1999 RS208)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RS208 = 1995 VD9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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