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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2699528715588244 6.2698e-08  
a 3.920690161263772 4.7781e-08 AU
q 2.862288593738187 2.5926e-07 AU
i 2.356363904109799 6.6905e-06 deg
node 278.0510051831806 0.00017152 deg
peri 69.89672749668962 0.00017226 deg
M 49.82940080659402 1.2689e-05 deg
tp 2456608.012910833725
(2013-Nov-11.51291083)
9.7898e-05 JED
period 2835.582002044889
7.76
5.1835e-05
1.419e-07
d
yr
n .1269580635440572 2.3208e-09 deg/d
Q 4.979091728789358 6.0679e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      22795 days (62.41 yr)  
   first obs. used      1951-08-11  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60953  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 04:28:49  

Additional Information
 Earth MOID = 1.85727 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 13.0 mag n/a MPO267833  

37578 (1990 RY2)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar (675)
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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