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102155 (1999 RV203)
Classification: Main-belt Asteroid          SPK-ID: 2102155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02889513496996652 3.8599e-08  
a 2.346573145631852 1.2173e-08 au
q 2.278768597871921 9.3933e-08 au
i 8.889283047658349 4.3265e-06 deg
node 275.0852114659239 3.1356e-05 deg
peri 13.11555194068282 9.4572e-05 deg
M 39.72709185376589 8.9687e-05 deg
tp 2459055.611523777563
(2020-Jul-25.11152378)
0.00032711 TDB
period 1312.954183308355
3.59
1.0217e-05
2.797e-08
d
yr
n .2741908320767746 2.1336e-09 deg/d
Q 2.414377693391783 1.2525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:23  

Additional Information
 Earth MOID = 1.26107 au 
 Jupiter MOID = 2.65523 au 
 T_jup = 3.544 
[ 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 15.67   n/a E2021B55  
diameter diameter 2.288 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102155 (1999 RV203)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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