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20402 (1998 OH6)
Classification: Main-belt Asteroid          SPK-ID: 2020402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09330858470727932 2.5835e-08  
a 3.168483767473465 1.7264e-08 au
q 2.872837031462528 7.9635e-08 au
i 6.282781268614684 1.6034e-06 deg
node 165.0534969957993 6.1404e-06 deg
peri 6.699606858229166 1.1784e-05 deg
M 126.4986190707903 1.2838e-05 deg
tp 2458476.632729694306
(2018-Dec-24.13272969)
7.0779e-05 TDB
period 2060.04001643859
5.64
1.6837e-05
4.61e-08
d
yr
n .174753886879523 1.4283e-09 deg/d
Q 3.464130503484403 1.8875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1945  
   data-arc span      13065 days (35.77 yr)  
   first obs. used      1985-02-17  
   last obs. used      2020-11-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:19:41  

Additional Information
 Earth MOID = 1.87824 au 
 Jupiter MOID = 1.49913 au 
 T_jup = 3.187 
[ 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 12.97   n/a E2021B10  
diameter diameter 13.715 km 3.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20402 (1998 OH6)          Discovered 1998-Jul-31 by Visnjan at Visnjan
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 OH6 = 1985 DZ1 = 1990 BM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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