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59900 (1999 RH143)
Classification: Main-belt Asteroid          SPK-ID: 2059900
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02562617651950318 3.5166e-08  
a 3.117864250165586 1.9009e-08 au
q 3.037965310526994 1.1427e-07 au
i 10.69833633700646 4.241e-06 deg
node 179.0641362184497 2.0864e-05 deg
peri 130.543329324469 9.0282e-05 deg
M 327.2444617805428 8.8499e-05 deg
tp 2459183.464346801285
(2020-Nov-29.96434680)
0.00049466 TDB
period 2010.871090169926
5.51
1.839e-05
5.035e-08
d
yr
n .1790268912611293 1.6372e-09 deg/d
Q 3.197763189804178 1.9496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1495  
   data-arc span      10675 days (29.23 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:43:09  

Additional Information
 Earth MOID = 2.03693 au 
 Jupiter MOID = 1.87465 au 
 T_jup = 3.190 
[ 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 13.6   n/a MPO347919  
diameter diameter 9.300 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59900 (1999 RH143)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RH143 = 2000 YR26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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