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JPL Small-Body Database Browser
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59945 (1999 RH202)
Classification: Outer Main-belt Asteroid          SPK-ID: 2059945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .087663227607474 3.8256e-08  
a 3.240185743911728 2.8829e-08 au
q 2.956140603552701 1.2625e-07 au
i 9.999430343991467 5.3389e-06 deg
node 296.46154605 2.9058e-05 deg
peri 327.8567492754368 4.4618e-05 deg
M 285.1021276818923 3.3373e-05 deg
tp 2459443.720936421523
(2021-Aug-17.22093642)
0.00019742 TDB
period 2130.361413126183
5.83
2.8431e-05
7.784e-08
d
yr
n .1689854114808251 2.2552e-09 deg/d
Q 3.524230884270754 3.1356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7450 days (20.40 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:24  

Additional Information
 Earth MOID = 1.94579 au 
 Jupiter MOID = 1.64551 au 
 T_jup = 3.154 
[ 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 13.9   n/a MPO502547  

59945 (1999 RH202)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RH202 = 2000 XA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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