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37578 (1990 RY2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2037578
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2694889476638055 4.9802e-08  
a 3.921920472295227 3.7867e-08 au
q 2.865006251395251 1.9546e-07 au
i 2.355351926028887 6.3422e-06 deg
node 278.0497584659347 0.0001435 deg
peri 69.98292150869619 0.00014432 deg
M 100.5671108994107 1.2602e-05 deg
tp 2456607.998533894396
(2013-Nov-11.49853389)
9.5717e-05 JED
period 2836.91681352347
7.77
4.1087e-05
1.125e-07
d
yr
n .1268983278902977 1.8379e-09 deg/d
Q 4.978834693195203 4.8072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      23505 days (64.35 yr)  
   first obs. used      1951-08-11  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57649  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:33:31  

Additional Information
 Earth MOID = 1.85772 au 
 Jupiter MOID = .53246 au 
 T_jup = 2.997 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO319540  

37578 (1990 RY2)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RY2 = 1990 SC27 = 1997 NC11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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