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JPL Small-Body Database Browser
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85023 (2087 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085023
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07589930176061227 4.4397e-08  
a 2.945118492678827 2.1002e-08 au
q 2.721586055482238 1.3466e-07 au
i 11.48363979611314 5.7281e-06 deg
node 207.574501531371 2.1299e-05 deg
peri 142.2289516940908 4.1962e-05 deg
M 226.4748399944629 3.844e-05 deg
tp 2459285.220281974556
(2021-Mar-11.72028197)
0.00020001 TDB
period 1846.088793307704
5.05
1.9747e-05
5.406e-08
d
yr
n .1950068714490027 2.0859e-09 deg/d
Q 3.168650929875417 2.2596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:01  

Additional Information
 Earth MOID = 1.7264 au 
 Jupiter MOID = 2.18761 au 
 T_jup = 3.237 
[ 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 14.6   n/a MPO436370  
diameter diameter 6.501 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85023 (2087 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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