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85875 (1999 CR5)
Classification: Main-belt Asteroid          SPK-ID: 2085875
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09603744270839981 3.4718e-08  
a 2.674958052763404 1.1848e-08 au
q 2.418061922023766 9.5564e-08 au
i 9.369288367190768 4.4667e-06 deg
node 14.96731795400408 2.1204e-05 deg
peri 110.7792560750577 3.2397e-05 deg
M 340.7257188914903 2.3908e-05 deg
tp 2459086.055824096049
(2020-Aug-24.55582410)
0.00010617 TDB
period 1597.989388095995
4.38
1.0617e-05
2.907e-08
d
yr
n .2252830980491931 1.4967e-09 deg/d
Q 2.931854183503042 1.2986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1331  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:35  

Additional Information
 Earth MOID = 1.45135 au 
 Jupiter MOID = 2.1287 au 
 T_jup = 3.354 
[ 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 14.3   n/a MPO309785  
diameter diameter 3.574 km 0.921 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 24. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.381   0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85875 (1999 CR5)          Discovered 1999-Feb-12 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CR5 = 2001 RE91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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