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85055 (6872 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085055
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09795142708037111 3.9041e-08  
a 2.736139931988097 1.6983e-08 au
q 2.468131120958273 1.0292e-07 au
i 1.624644177631855 4.9888e-06 deg
node 20.07079149846087 0.00015378 deg
peri 233.5255403528588 0.00015658 deg
M 160.2026296678094 3.1429e-05 deg
tp 2458264.846978216777
(2018-May-26.34697822)
0.00014176 TDB
period 1653.125722037854
4.53
1.5391e-05
4.214e-08
d
yr
n .2177692810660632 2.0275e-09 deg/d
Q 3.00414874301792 1.8646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      21587 days (59.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:13:57  

Additional Information
 Earth MOID = 1.45397 au 
 Jupiter MOID = 2.02715 au 
 T_jup = 3.344 
[ 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 15.5   n/a MPO453280  
diameter diameter 5.351 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85055 (6872 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

Alternate Designations
 6872 P-L = 1999 FJ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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