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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05754040443381264 4.41e-08  
a 3.112427457061782 2.8156e-08 au
q 2.933337122411545 1.3475e-07 au
i 8.254987071095133 4.9278e-06 deg
node 221.3830082855275 2.8513e-05 deg
peri 171.494794562879 4.8268e-05 deg
M 279.4989815085855 4.1675e-05 deg
tp 2459648.983178125495
(2022-Mar-10.48317813)
0.00023546 TDB
period 2005.613682296424
5.49
2.7215e-05
7.451e-08
d
yr
n .179496182728371 2.4357e-09 deg/d
Q 3.29151779171202 2.9777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:45  

Additional Information
 Earth MOID = 1.9387 au 
 Jupiter MOID = 2.03787 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 14.95   n/a E2021B55  
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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