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29170 (1990 OA3)
Classification: Main-belt Asteroid          SPK-ID: 2029170
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09320850648513229 8.3342e-08  
a 2.975590331920817 3.9064e-08 AU
q 2.698240001170879 2.583e-07 AU
i 9.015416407175422 8.5788e-06 deg
node 243.979822222409 6.317e-05 deg
peri 57.95375205663597 8.9891e-05 deg
M 239.7183153923422 6.6489e-05 deg
tp 2457426.904885919686
(2016-Feb-08.40488592)
0.00034782 JED
period 1874.813772908615
5.13
3.6919e-05
1.011e-07
d
yr
n .1920190715483653 3.7813e-09 deg/d
Q 3.252940662670755 4.2705e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      9985 days (27.34 yr)  
   first obs. used      1986-11-25  
   last obs. used      2014-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54627  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:28:13  

Additional Information
 Earth MOID = 1.6952 AU 
 T_jup = 3.236 
[ 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 MPO250491  

29170 (1990 OA3)          Discovered 1990-Jul-27 by Holt, H. E. at Palomar (675)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OA3 = 1986 WG1 = 2000 LQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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