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305047 (2007 UV21)
Classification: Main-belt Asteroid          SPK-ID: 2305047
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1659835951881412 4.9083e-08  
a 2.605384081285483 2.8391e-08 au
q 2.172933064627766 1.173e-07 au
i 8.080519122996705 7.5754e-06 deg
node 52.09424949632304 5.7032e-05 deg
peri 216.3844581076109 7.0021e-05 deg
M 114.9631628472525 3.6124e-05 deg
tp 2458509.973739338980
(2019-Jan-26.47373934)
0.00015568 TDB
period 1536.052501205063
4.21
2.5108e-05
6.874e-08
d
yr
n .2343669892256763 3.8309e-09 deg/d
Q 3.0378350979432 3.3104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:37:36  

Additional Information
 Earth MOID = 1.16325 au 
 Jupiter MOID = 2.06158 au 
 T_jup = 3.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO440437  

305047 (2007 UV21)          Discovered 2007-Oct-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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