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115664 (2003 UL142)
Classification: Main-belt Asteroid          SPK-ID: 2115664
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657965875387132 4.3797e-08  
a 3.0635011139749 2.3229e-08 au
q 2.555583083356815 1.3076e-07 au
i 10.62798107458741 4.3371e-06 deg
node 262.2535637751205 2.3984e-05 deg
peri 66.37564675464563 2.739e-05 deg
M 127.104353109256 1.5314e-05 deg
tp 2458509.013963460399
(2019-Jan-25.51396346)
8.0089e-05 TDB
period 1958.50863534373
5.36
2.2276e-05
6.099e-08
d
yr
n .1838133330143923 2.0907e-09 deg/d
Q 3.571419144592985 2.7081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:36  

Additional Information
 Earth MOID = 1.56486 au 
 Jupiter MOID = 1.83904 au 
 T_jup = 3.186 
[ 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 14.04   n/a MPCxxxxx  
diameter diameter 6.547 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.136   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115664 (2003 UL142)          Discovered 2003-Oct-18 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UL142 = 2000 CX115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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