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295712 (2008 UG28)
Classification: Main-belt Asteroid          SPK-ID: 2295712
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05224060453518005 8.7577e-08  
a 2.315649512171324 1.9846e-08 au
q 2.194678581763899 2.0168e-07 au
i 1.404358798913252 5.1743e-06 deg
node 94.34564358669401 0.0003736 deg
peri 84.55519585226284 0.00037747 deg
M 331.7588012294726 5.164e-05 deg
tp 2459101.469055549076
(2020-Sep-08.96905555)
0.00018435 TDB
period 1287.086298744546
3.52
1.6547e-05
4.53e-08
d
yr
n .2797015245606703 3.5958e-09 deg/d
Q 2.436620442578749 2.0883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6119 days (16.75 yr)  
   first obs. used      2003-04-05  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 05:35:40  

Additional Information
 Earth MOID = 1.19801 au 
 Jupiter MOID = 2.52055 au 
 T_jup = 3.579 
[ 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 17.7   n/a MPO455186  
diameter diameter 1.490 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295712 (2008 UG28)          Discovered 2008-Oct-20 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 UG28 = 2004 RH163 = 2006 AN39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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