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JPL Small-Body Database Browser
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212820 (2007 UJ14)
Classification: Main-belt Asteroid          SPK-ID: 2212820
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532698716551326 4.5105e-08  
a 2.282077651554212 1.446e-08 au
q 1.932303902793452 1.0818e-07 au
i 2.107047225362383 4.4251e-06 deg
node 106.3845374903593 0.0001304 deg
peri 258.4643881106142 0.00013138 deg
M 261.2463062309351 1.5311e-05 deg
tp 2459345.917949620421
(2021-May-11.41794962)
5.4462e-05 TDB
period 1259.198082799258
3.45
1.1968e-05
3.277e-08
d
yr
n .2858962421541356 2.7173e-09 deg/d
Q 2.631851400314972 1.6676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      6721 days (18.40 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:53:20  

Additional Information
 Earth MOID = .931578 au 
 Jupiter MOID = 2.82419 au 
 T_jup = 3.588 
[ 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 17.3   n/a MPO433391  
diameter diameter 2.143 km 0.397 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212820 (2007 UJ14)          Discovered 2007-Oct-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 UJ14 = 2005 BT12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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