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JPL Small-Body Database Browser
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66632 (1999 RT210)
Classification: Main-belt Asteroid          SPK-ID: 2066632
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454269034529291 4.8615e-08  
a 2.541597953552171 1.4229e-08 au
q 2.171981233344777 1.2026e-07 au
i 12.85677087041862 5.2591e-06 deg
node 328.4195706990768 2.1523e-05 deg
peri 268.9033902691096 2.8807e-05 deg
M 165.54070806446 2.0592e-05 deg
tp 2458319.948473014433
(2018-Jul-20.44847301)
8.5024e-05 TDB
period 1479.989741371676
4.05
1.2429e-05
3.403e-08
d
yr
n .2432449292968388 2.0427e-09 deg/d
Q 2.911214673759565 1.6298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1482  
   data-arc span      15667 days (42.89 yr)  
   first obs. used      1977-02-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:51:21  

Additional Information
 Earth MOID = 1.20663 au 
 Jupiter MOID = 2.26142 au 
 T_jup = 3.396 
[ 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 13.8   n/a MPO502575  
diameter diameter 4.786 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

66632 (1999 RT210)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RT210 = 1977 CP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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