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JPL Small-Body Database Browser
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91475 (1999 RH96)
Classification: Main-belt Asteroid          SPK-ID: 2091475
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2879313047900416 6.2981e-08  
a 3.072169514381605 2.4688e-08 au
q 2.187595737569521 1.9619e-07 au
i 7.918092733177188 6.9021e-06 deg
node 158.673030866187 3.5703e-05 deg
peri 179.5867842948303 3.6925e-05 deg
M 320.734089053771 8.793e-06 deg
tp 2459215.025719035076
(2020-Dec-31.52571903)
4.9387e-05 TDB
period 1966.827127947838
5.38
2.3708e-05
6.491e-08
d
yr
n .1830359134692328 2.2063e-09 deg/d
Q 3.95674329119369 3.1796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      7198 days (19.71 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5185  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:02  

Additional Information
 Earth MOID = 1.17864 au 
 Jupiter MOID = 1.45504 au 
 T_jup = 3.151 
[ 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 15.0   n/a MPO436411  
diameter diameter 4.697 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.087   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91475 (1999 RH96)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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