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212819 (2007 UJ2)
Classification: Main-belt Asteroid          SPK-ID: 2212819
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019526595358837 4.1706e-08  
a 2.348666256923999 1.2327e-08 au
q 1.874346859976008 9.6148e-08 au
i 8.969087597457744 4.7523e-06 deg
node 152.4432687868091 2.8864e-05 deg
peri 249.8323591041711 3.0856e-05 deg
M 168.4936475307692 1.1484e-05 deg
tp 2458385.165280101623
(2018-Sep-23.66528010)		 4.0252e-05 TDB
period 1314.711280868694
3.60		 1.0351e-05
2.834e-08		 d
yr
n .2738243789633648 2.1558e-09 deg/d
Q 2.82298565387199 1.4817e-08 au
   Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:58:37  

Additional Information
 Earth MOID = .903875 au 
 Jupiter MOID = 2.63915 au 
 T_jup = 3.515 
[ 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 MPO418139  

212819 (2007 UJ2)          Discovered 2007-Oct-18 by Lowe, A. at Mayhill
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ hide close-approach data ]
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
2054-Jan-06 16:50 00:02 Iris 0.0375368664678824 0.0375352846588195 0.0375384526522149 4.01490132830858 4.01490129016336 2471274.201292831 2.1866153972007 773.538409342318 44.0282968899313 85.1319281545222 127012.841649231 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 03:58:38 2020-Nov-12 03:58
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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