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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09156403382650971 6.0816e-08  
a 3.138212692865841 5.3248e-08 au
q 2.850865279701491 1.8309e-07 au
i 5.579923440980045 7.8233e-06 deg
node 309.0818574968279 7.1862e-05 deg
peri 292.8147831074559 8.9642e-05 deg
M 123.9797215039371 5.7715e-05 deg
tp 2457901.189346429928
(2017-May-27.68934643)
0.0003172 TDB
period 2030.588811068037
5.56
5.1681e-05
1.415e-07
d
yr
n .177288478119137 4.5123e-09 deg/d
Q 3.425560106030191 5.8124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      9381 days (25.68 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:41  

Additional Information
 Earth MOID = 1.84391 au 
 Jupiter MOID = 1.64989 au 
 T_jup = 3.197 
[ 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 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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