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295800 (2008 UR286)
Classification: Main-belt Asteroid          SPK-ID: 2295800
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07197993634751741 6.2569e-08  
a 2.710531792369859 2.7761e-08 au
q 2.515427886487154 1.7823e-07 au
i 3.535952642020464 6.8809e-06 deg
node 146.3525620713849 0.00010543 deg
peri 282.2785585533606 0.0001171 deg
M 190.2515710538179 5.4228e-05 deg
tp 2459769.070034586411
(2022-Jul-08.57003459)		 0.00025129 TDB
period 1629.972154492398
4.46		 2.5041e-05
6.856e-08		 d
yr
n .2208626687319762 3.3931e-09 deg/d
Q 2.905635698252564 2.976e-08 au
   Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7108 days (19.46 yr)  
   first obs. used      2001-02-03  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:07  

Additional Information
 Earth MOID = 1.53246 au 
 Jupiter MOID = 2.2861 au 
 T_jup = 3.357 
[ 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 16.9   n/a MPO471118  

295800 (2008 UR286)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2159-May-05 23:58 01:12 Psych 0.0423831329280115 0.0423311535229586 0.0424351133602451 1.38889177141667 1.38889156587885 2509743.498286201 72.468962484951 2575.84903751997 90.7391134307715 5.13118937127325 6662.58058213467 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:08 2020-Nov-11 19:48

Alternate Designations
 2008 UR286 = 2006 GJ33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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