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249309 (2008 UF83)
Classification: Main-belt Asteroid          SPK-ID: 2249309
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233727828297867 4.5541e-08  
a 3.128512024798027 4.4147e-08 au
q 2.742538790182244 1.6416e-07 au
i 6.49326466503344 4.7195e-06 deg
node 99.65606063527666 6.399e-05 deg
peri 5.861553997059032 7.1277e-05 deg
M 262.3026702093938 3.2335e-05 deg
tp 2459149.011027138109
(2020-Oct-26.51102714)
0.00018638 TDB
period 2021.18082646621
5.53
4.2782e-05
1.171e-07
d
yr
n .1781137022902678 3.7701e-09 deg/d
Q 3.514485259413811 4.9593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      8052 days (22.05 yr)  
   first obs. used      1997-10-28  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:47:24  

Additional Information
 Earth MOID = 1.75967 au 
 Jupiter MOID = 1.62303 au 
 T_jup = 3.192 
[ 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 15.7   n/a MPO454847  
diameter diameter 2.890 km 0.700 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249309 (2008 UF83)          Discovered 2008-Oct-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UF83 = 1997 US23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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