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120850 (1998 OO8)
Classification: Main-belt Asteroid          SPK-ID: 2120850
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021063979649159 8.6894e-08  
a 3.010857738608212 2.7607e-08 au
q 2.703429900134135 2.711e-07 au
i 7.844127593723379 7.2976e-06 deg
node 303.801090601456 4.6994e-05 deg
peri 38.80011752089066 5.2736e-05 deg
M 47.87773536061778 2.173e-05 deg
tp 2458746.715625125228
(2019-Sep-20.21562512)
0.00011604 TDB
period 1908.243451089977
5.22
2.6246e-05
7.186e-08
d
yr
n .1886551738429236 2.5947e-09 deg/d
Q 3.318285577082289 3.0426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      9651 days (26.42 yr)  
   first obs. used      1993-08-22  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:23:33  

Additional Information
 Earth MOID = 1.69995 au 
 Jupiter MOID = 2.04734 au 
 T_jup = 3.227 
[ 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 14.9   n/a MPO439780  
diameter diameter 6.268 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120850 (1998 OO8)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 OO8 = 2003 OF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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