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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0251799120339679 3.6069e-08  
a 3.113326603427754 2.0027e-08 au
q 3.034933313420431 1.161e-07 au
i 10.70323783962783 4.3269e-06 deg
node 179.1463317645166 2.1563e-05 deg
peri 133.6752788748237 9.2689e-05 deg
M 252.3512982284818 9.0806e-05 deg
tp 2459200.486870518296
(2020-Dec-16.98687052)
0.00050727 TDB
period 2006.48284495833
5.49
1.936e-05
5.3e-08
d
yr
n .1794184290708334 1.7312e-09 deg/d
Q 3.191719893435077 2.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      10286 days (28.16 yr)  
   first obs. used      1991-03-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:04  

Additional Information
 Earth MOID = 2.03224 au 
 Jupiter MOID = 1.88353 au 
 T_jup = 3.191 
[ 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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