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118408 (1999 RV220)
Classification: Main-belt Asteroid          SPK-ID: 2118408
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05856944554970298 4.5828e-08  
a 3.11056832741059 2.7363e-08 au
q 2.928384065129685 1.4093e-07 au
i 8.263267357579958 5.1335e-06 deg
node 221.5268737794093 3.0263e-05 deg
peri 171.8221877028792 4.9815e-05 deg
M 243.2176767908222 4.1782e-05 deg
tp 2459650.528884299885
(2022-Mar-12.02888430)
0.00023686 TDB
period 2003.816946926159
5.49
2.6441e-05
7.239e-08
d
yr
n .1796571291365898 2.3706e-09 deg/d
Q 3.292752589691495 2.8966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7187 days (19.68 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:41  

Additional Information
 Earth MOID = 1.935 au 
 Jupiter MOID = 2.04381 au 
 T_jup = 3.200 
[ 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 14.9   n/a MPO436569  
diameter diameter 4.353 km 1.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118408 (1999 RV220)          Discovered 1999-Sep-05 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1999 RV220 = 2002 CV231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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