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295720 (2008 UT42)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295720
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2675937355966465 6.5821e-08  
a 3.984821208770954 6.0636e-08 au
q 2.918508015831191 2.6155e-07 au
i 3.238638159115281 8.6445e-06 deg
node 44.91311753322358 0.00013123 deg
peri 33.42991661405066 0.00013357 deg
M 149.5625416116669 1.9168e-05 deg
tp 2457793.431203680205
(2017-Feb-08.93120368)
0.00014432 TDB
period 2905.438500793895
7.95
6.6317e-05
1.816e-07
d
yr
n .1239055653394942 2.8282e-09 deg/d
Q 5.051134401710718 7.6862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62354  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:21:18  

Additional Information
 Earth MOID = 1.93474 au 
 Jupiter MOID = .321309 au 
 T_jup = 2.989 
[ 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 15.6   n/a MPO471117  
diameter diameter 4.930 km 0.408 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.042   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

295720 (2008 UT42)          Discovered 2008-Oct-20 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 UT42 = 2002 CY199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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