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108673 (2001 OT4)
Classification: Main-belt Asteroid          SPK-ID: 2108673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2295481390447498 4.0336e-08  
a 2.562759522835495 1.2876e-08 au
q 1.974482843549396 1.0297e-07 au
i 3.203627780566386 4.5547e-06 deg
node 215.7269931975804 8.832e-05 deg
peri 108.8957687753893 8.9235e-05 deg
M 207.8734153552638 1.6697e-05 deg
tp 2459633.731958648324
(2022-Feb-23.23195865)
7.2762e-05 TDB
period 1498.511950726849
4.10
1.1294e-05
3.092e-08
d
yr
n .2402383243092476 1.8106e-09 deg/d
Q 3.151036202121594 1.5832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      9708 days (26.58 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:56:30  

Additional Information
 Earth MOID = .965406 au 
 Jupiter MOID = 2.20678 au 
 T_jup = 3.394 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO412767  

108673 (2001 OT4)          Discovered 2001-Jul-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 OT4 = 1993 SK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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