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295762 (2008 UN156)
Classification: Main-belt Asteroid          SPK-ID: 2295762
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599230196972501 5.7223e-08  
a 2.685109904487585 2.3948e-08 au
q 1.987188029894176 1.5695e-07 au
i 2.326739853967803 1.1407e-05 deg
node 45.09630719932398 0.00016785 deg
peri 262.2693827225286 0.00016941 deg
M 277.6876448967141 2.2928e-05 deg
tp 2459367.954909029838
(2021-Jun-02.45490903)
0.00010449 TDB
period 1607.094914059394
4.40
2.1501e-05
5.887e-08
d
yr
n .2240066823997773 2.9969e-09 deg/d
Q 3.383031779080993 3.0173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      8608 days (23.57 yr)  
   first obs. used      1994-05-03  
   last obs. used      2017-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:42:13  

Additional Information
 Earth MOID = .97404 au 
 Jupiter MOID = 1.8965 au 
 T_jup = 3.324 
[ 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 17.0   n/a MPO427597  

295762 (2008 UN156)          Discovered 2008-Oct-23 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 UN156 = 1994 JJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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