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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809188807640371 5.4685e-08  
a 3.169550811657778 3.6435e-08 AU
q 2.596119226287907 1.6859e-07 AU
i 4.76920879985096 8.1423e-06 deg
node 349.2627126191095 7.329e-05 deg
peri 278.9238143540222 7.6614e-05 deg
M 149.4171424011693 2.3478e-05 deg
tp 2456145.053349797291
(2012-Aug-05.55334980)
0.00013092 JED
period 2061.080737617995
5.64
3.5539e-05
9.73e-08
d
yr
n .1746656467305859 3.0118e-09 deg/d
Q 3.742982397027649 4.3027e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      10629 days (29.10 yr)  
   first obs. used      1985-09-22  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46778  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:21:00  

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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