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115665 (2003 UN142)
Classification: Main-belt Asteroid          SPK-ID: 2115665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04889758419607871 5.9957e-08  
a 3.041065780080739 2.1218e-08 au
q 2.892365010053427 1.7578e-07 au
i 9.772653578261391 5.3745e-06 deg
node 5.091265327858963 2.4083e-05 deg
peri 27.55759807027859 5.8759e-05 deg
M 90.2996203511335 5.131e-05 deg
tp 2458714.629454568466
(2019-Aug-19.12945457)
0.00027661 TDB
period 1937.033574174452
5.30
2.0272e-05
5.55e-08
d
yr
n .1858511926688875 1.9451e-09 deg/d
Q 3.189766550108051 2.2256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      10395 days (28.46 yr)  
   first obs. used      1992-09-28  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:36  

Additional Information
 Earth MOID = 1.89859 au 
 Jupiter MOID = 2.04373 au 
 T_jup = 3.216 
[ 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 14.79   n/a MPCxxxxx  
diameter diameter 6.152 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115665 (2003 UN142)          Discovered 2003-Oct-18 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 UN142 = 2000 DB87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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