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135532 (2002 CR12)
Classification: Main-belt Asteroid          SPK-ID: 2135532
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2740448889703018 4.1182e-08  
a 3.056984102631837 1.9008e-08 au
q 2.219233233642118 1.2452e-07 au
i 19.35293521889722 4.7635e-06 deg
node 42.88597562398738 1.2876e-05 deg
peri 5.560662038105558 1.5245e-05 deg
M 235.8080818578234 1.0364e-05 deg
tp 2459873.986711754429
(2022-Oct-21.48671175)
6.0699e-05 TDB
period 1952.262432681234
5.35
1.8208e-05
4.985e-08
d
yr
n .1844014380308372 1.7199e-09 deg/d
Q 3.894734971621557 2.4217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51469  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:29  

Additional Information
 Earth MOID = 1.22883 au 
 Jupiter MOID = 1.53377 au 
 T_jup = 3.093 
[ 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 13.8   n/a MPO299753  
diameter diameter 6.657 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.991 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.145   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135532 (2002 CR12)          Discovered 2002-Feb-07 by Juels, C. W., Holvorcem, P. R. at Fountain Hills
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 CR12 = 1979 WW = 1998 HF158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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