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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07517222841960466 4.3775e-08  
a 2.948713345214648 2.1094e-08 au
q 2.727051992084236 1.3334e-07 au
i 11.47067247510244 5.6887e-06 deg
node 207.493279192057 1.9981e-05 deg
peri 141.3303197816355 4.1246e-05 deg
M 305.3215028141863 3.8704e-05 deg
tp 2459281.406202544063
(2021-Mar-07.90620254)
0.00020015 TDB
period 1849.469866960784
5.06
1.9846e-05
5.434e-08
d
yr
n .1946503732940427 2.0887e-09 deg/d
Q 3.17037469834506 2.268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      21436 days (58.69 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54641  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:25:13  

Additional Information
 Earth MOID = 1.7329 au 
 Jupiter MOID = 2.17962 au 
 T_jup = 3.236 
[ 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 14.7   n/a MPO474737  
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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