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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809188798285654 5.47e-08  
a 3.16955081458353 3.6641e-08 AU
q 2.59611923164936 1.6875e-07 AU
i 4.76920707719392 8.3157e-06 deg
node 349.2627146062501 7.3325e-05 deg
peri 278.9238088343855 7.6769e-05 deg
M 149.4171448094041 2.3669e-05 deg
tp 2456145.053334825138
(2012-Aug-05.55333483)
0.00013226 JED
period 2061.080740471811
5.64
3.574e-05
9.785e-08
d
yr
n .1746656464887401 3.0288e-09 deg/d
Q 3.742982397517698 4.327e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      10572 days (28.94 yr)  
   first obs. used      1985-09-22  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46561  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:02:39  

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 12.6 mag n/a PDS3 (MPC 39036)  

13945 (1990 OH2)          Discovered 1990-Jul-29 by Holt, H. E. at Palomar (675)
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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