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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019526599831991 4.1713e-08  
a 2.348666258143269 1.2468e-08 au
q 1.874346859898449 9.6192e-08 au
i 8.969086127894338 4.9693e-06 deg
node 152.4432729269427 2.9124e-05 deg
peri 249.832352245434 3.1403e-05 deg
M 168.4936492359557 1.1775e-05 deg
tp 2458385.165273395162
(2018-Sep-23.66527340)
4.1533e-05 TDB
period 1314.711281892458
3.60
1.0469e-05
2.866e-08
d
yr
n .273824378750138 2.1804e-09 deg/d
Q 2.822985656388089 1.4986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      8625 days (23.61 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:22  

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 16 CATAB v2.0f-lin.ifort 2020-May-21 08:50:40 2020-May-21 08:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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