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JPL Small-Body Database Browser
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295719 (2008 UD40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295719
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033567399889548 7.9395e-08  
a 3.920595634727321 8.5205e-08 au
q 3.123316087634245 2.9544e-07 au
i 1.762789579285472 8.7898e-06 deg
node 280.3751446738901 0.00029654 deg
peri 161.5135618336431 0.00029787 deg
M 103.6764935082954 2.4416e-05 deg
tp 2457783.909535179092
(2017-Jan-30.40953518)
0.00018738 TDB
period 2835.479455253812
7.76
9.2434e-05
2.531e-07
d
yr
n .1269626550574937 4.1389e-09 deg/d
Q 4.717875181820395 1.0253e-07 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      6294 days (17.23 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:21:15  

Additional Information
 Earth MOID = 2.13923 au 
 Jupiter MOID = .544404 au 
 T_jup = 3.026 
[ 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 15.8   n/a MPO437321  
diameter diameter 4.390 km 0.437 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.033   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

295719 (2008 UD40)          Discovered 2008-Oct-20 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 UD40 = 2007 RT78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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