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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0738643965531616 4.2188e-08  
a 2.945151829156194 1.9108e-08 au
q 2.727609966538131 1.3038e-07 au
i 11.47714833550968 4.9523e-06 deg
node 207.3998251021712 1.9559e-05 deg
peri 141.3643982860356 3.6769e-05 deg
M 22.47597580698148 3.2784e-05 deg
tp 2459281.240690124389
(2021-Mar-07.74069012)
0.0001678 TDB
period 1846.120137855426
5.05
1.7966e-05
4.919e-08
d
yr
n .1950035605040307 1.8977e-09 deg/d
Q 3.162693691774256 2.0519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      21877 days (59.90 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:10:53  

Additional Information
 Earth MOID = 1.73261 au 
 Jupiter MOID = 2.17807 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 14.7   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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