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12268 (1990 OY1)
Classification: Main-belt Asteroid          SPK-ID: 2012268
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 .1751868270173177 5.2034e-08  
a 2.595979093034504 2.1531e-08 AU
q 2.141197752722495 1.3682e-07 AU
i 5.809146486903654 5.7835e-06 deg
node 72.82764312945979 7.7031e-05 deg
peri 210.5291489271074 8.0383e-05 deg
M 321.6284620458661 2.7284e-05 deg
tp 2457163.338434387654
(2015-May-20.83843439)
0.00011665 JED
period 1527.742683903551
4.18
1.9007e-05
5.204e-08
d
yr
n .2356417764542392 2.9316e-09 deg/d
Q 3.050760433346512 2.5303e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      8728 days (23.90 yr)  
   first obs. used      1990-07-29  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:28:06  

Additional Information
 Earth MOID = 1.12853 AU 
 T_jup = 3.388 
[ 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 13.2 mag n/a MPO256955  

12268 (1990 OY1)          Discovered 1990-Jul-29 by Holt, H. E. at Palomar (675)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OY1 = 1989 EN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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