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215331 (2001 UW61)
Classification: Jupiter Trojan          SPK-ID: 2215331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08822949817950647 7.1954e-08  
a 5.169796367152064 2.0305e-07 au
q 4.713667827988002 4.5133e-07 au
i 4.056505306801414 8.2445e-06 deg
node 226.9623859527143 0.00010276 deg
peri 71.25127790699671 0.00011922 deg
M 255.9854524504015 6.8858e-05 deg
tp 2459841.009704000701
(2022-Sep-18.50970400)
0.00086469 TDB
period 4293.47148029753
11.75
0.00025294
6.925e-07
d
yr
n .08384823368503025 4.9397e-09 deg/d
Q 5.625924906316127 2.2096e-07 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2000-09-29  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:21:53  

Additional Information
 Earth MOID = 3.70003 au 
 Jupiter MOID = .276395 au 
 T_jup = 2.987 
[ 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 13.1   n/a MPO437030  
diameter diameter 10.704 km 1.067 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.089   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

215331 (2001 UW61)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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