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JPL Small-Body Database Browser
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295750 (2008 UN116)
Classification: Main-belt Asteroid          SPK-ID: 2295750
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09156403359457345 6.084e-08  
a 3.138212693137074 5.3289e-08 au
q 2.850865280675754 1.8323e-07 au
i 5.579924034608667 7.9245e-06 deg
node 309.0818593087783 7.1964e-05 deg
peri 292.8147806873876 8.988e-05 deg
M 123.9797220403726 5.7904e-05 deg
tp 2457901.189343313489
(2017-May-27.68934331)
0.00031835 TDB
period 2030.588811331289
5.56
5.1721e-05
1.416e-07
d
yr
n .1772884780961527 4.5157e-09 deg/d
Q 3.425560105598394 5.8168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      9367 days (25.65 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:55:54  

Additional Information
 Earth MOID = 1.84391 au 
 Jupiter MOID = 1.64989 au 
 T_jup = 3.197 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0937318753943949 6.0407e-08  
q 2.844743432553884 1.8267e-07 au
tp 2457902.531594724079
(2017-May-29.03159472)
0.00031362 TDB
node 309.235515773129 7.1719e-05 deg
peri 293.026220485009 8.918e-05 deg
i 5.59067909871428 7.9375e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      9367 days (25.65 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:55:54  

Additional Information
 Jupiter MOID = 1.64989 au 
 T_jup = 3.197 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.648990042103867E-15 -1.067439184099422E-14 -5.03610233511288E-13 2.245132964252618E-14 -7.813721507532397E-14 3.544048560228031E-15
q -1.067439184099422E-14 3.336768550546605E-14 8.270859739555016E-12 -6.572459146653915E-14 1.281860552598865E-12 -8.323130307543982E-15
tp -5.03610233511288E-13 8.270859739555016E-12 9.835541194956039E-8 -1.281719816844666E-10 1.66794650365181E-8 2.36147812298409E-12
node 2.245132964252618E-14 -6.572459146653915E-14 -1.281719816844666E-10 5.143544248618013E-9 -5.139883131657926E-9 1.382417877842072E-10
peri -7.813721507532397E-14 1.281860552598865E-12 1.66794650365181E-8 -5.139883131657926E-9 7.953058608517584E-9 -1.372777544946159E-10
i 3.544048560228031E-15 -8.323130307543982E-15 2.36147812298409E-12 1.382417877842072E-10 -1.372777544946159E-10 6.300325557484193E-11

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 MPO455186  
diameter diameter 4.414 km 0.666 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295750 (2008 UN116)          Discovered 2008-Oct-22 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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