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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2699529065540877 5.0142e-08  
a 3.920690134230918 3.8776e-08 AU
q 2.862288436797345 1.9749e-07 AU
i 2.356366803182774 6.3819e-06 deg
node 278.0511603610522 0.00014793 deg
peri 69.89657462088331 0.00014882 deg
M 49.82940321181918 1.2478e-05 deg
tp 2456608.012895947940
(2013-Nov-11.51289595)
9.6889e-05 JED
period 2835.581972718212
7.76
4.2066e-05
1.152e-07
d
yr
n .1269580648571062 1.8834e-09 deg/d
Q 4.979091831664491 4.9244e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      23252 days (63.66 yr)  
   first obs. used      1951-08-11  
   last obs. used      2015-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58133  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:19:09  

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 13.1 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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