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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09607780335016995 3.7038e-08  
a 2.67423954439227 1.3221e-08 au
q 2.417304483334901 9.9879e-08 au
i 9.370854249834165 4.9431e-06 deg
node 14.97498042058487 2.2822e-05 deg
peri 110.9603843183386 3.3689e-05 deg
M 250.4213280244488 2.484e-05 deg
tp 2459086.708356252715
(2020-Aug-25.20835625)
0.00011091 TDB
period 1597.345588291402
4.37
1.1846e-05
3.243e-08
d
yr
n .2253738969442884 1.6714e-09 deg/d
Q 2.931174605449638 1.4492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52221  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:15:29  

Additional Information
 Earth MOID = 1.45092 au 
 Jupiter MOID = 2.13036 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-January); 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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