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13945 (1990 OH2)
Classification: Main-belt Asteroid          SPK-ID: 2013945
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809188841341762 5.4565e-08  
a 3.169550801136642 3.4834e-08 AU
q 2.596119206988416 1.6738e-07 AU
i 4.769206821509704 6.6716e-06 deg
node 349.262715085511 7.3213e-05 deg
peri 278.9238239659745 7.5666e-05 deg
M 149.4171343304208 2.1973e-05 deg
tp 2456145.053400263544
(2012-Aug-05.55340026)
0.00012029 JED
period 2061.080727355541
5.64
3.3977e-05
9.302e-08
d
yr
n .1746656476002743 2.8794e-09 deg/d
Q 3.742982395284867 4.1136e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1150  
   data-arc span      10760 days (29.46 yr)  
   first obs. used      1985-09-22  
   last obs. used      2015-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45746  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:48:16  

Additional Information
 Earth MOID = 1.58717 AU 
 T_jup = 3.172 
[ 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 12.7 mag n/a MPO319259  

13945 (1990 OH2)          Discovered 1990-Jul-29 by Holt, H. E. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OH2 = 1985 SN6 = 1996 RN6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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