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85175 (1990 RS)
Classification: Main-belt Asteroid          SPK-ID: 2085175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552442141420559 5.548e-08  
a 2.299245783397747 7.1249e-09 au
q 1.942301178634728 1.2783e-07 au
i 8.631334062715258 5.5728e-06 deg
node 349.6182820205536 2.2383e-05 deg
peri 24.93113256464779 2.5846e-05 deg
M 277.759146579197 1.2253e-05 deg
tp 2459687.411997627900
(2022-Apr-17.91199763)
4.3827e-05 TDB
period 1273.434245753497
3.49
5.9192e-06
1.621e-08
d
yr
n .2827001089380837 1.3141e-09 deg/d
Q 2.656190388160766 8.231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      13782 days (37.73 yr)  
   first obs. used      1983-09-12  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:40  

Additional Information
 Earth MOID = .944871 au 
 Jupiter MOID = 2.82232 au 
 T_jup = 3.562 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.15   n/a MPO637170  
diameter diameter 2.924 km 0.760 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85175 (1990 RS)          Discovered 1990-Sep-13 by Olmstead, C. M. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1990 RS = 1988 AS2 = 1999 CH51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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