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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018732082875875 4.1736e-08  
a 2.348893708041567 1.2255e-08 au
q 1.874714999272688 9.6269e-08 au
i 8.969101605646024 4.7522e-06 deg
node 152.4398747575843 2.8862e-05 deg
peri 249.7943993290922 3.0855e-05 deg
M 223.3118133469243 1.1664e-05 deg
tp 2459699.754462021668
(2022-Apr-30.25446202)		 4.4448e-05 TDB
period 1314.902265723753
3.60		 1.029e-05
2.817e-08		 d
yr
n .2737846069508806 2.1426e-09 deg/d
Q 2.823072416810446 1.4729e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:40:12  

Additional Information
 Earth MOID = .903203 au 
 Jupiter MOID = 2.64016 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 17.07   n/a E2021B55  

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 18 CATAB v2.0f-lin.ifort 2021-Apr-13 23:40:13 2021-Apr-13 23:40
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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