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461345 (1995 UQ31)
Classification: Main-belt Asteroid          SPK-ID: 2461345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138561320779734 8.0902e-08  
a 2.791453038497826 3.1012e-08 au
q 2.404665618588965 2.2753e-07 au
i 9.995656099858513 8.9378e-06 deg
node 29.19583090784259 6.2605e-05 deg
peri 11.10060077328125 0.00010789 deg
M 88.4854691558794 8.0324e-05 deg
tp 2458581.789961690710
(2019-Apr-08.28996169)
0.000376 TDB
period 1703.506973849037
4.66
2.8388e-05
7.772e-08
d
yr
n .2113287503523322 3.5217e-09 deg/d
Q 3.178240458406686 3.5309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:38:51  

Additional Information
 Earth MOID = 1.41312 au 
 Jupiter MOID = 2.25844 au 
 T_jup = 3.293 
[ 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 17.5   n/a MPO339365  
diameter diameter 2.062 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

461345 (1995 UQ31)          Discovered 1995-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24

Alternate Designations
 1995 UQ31 = 2009 RV73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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