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70033 (1999 CO20)
Classification: Main-belt Asteroid          SPK-ID: 2070033
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 .1747035201913137 4.0017e-08  
a 3.181467837079968 1.5964e-08 au
q 2.625654206566653 1.3232e-07 au
i 6.21763855472987 4.0557e-06 deg
node 74.47032899599469 4.0157e-05 deg
peri 342.932960245869 4.1927e-05 deg
M 319.3899493539835 1.1029e-05 deg
tp 2459234.314135228326
(2021-Jan-19.81413523)
6.3657e-05 TDB
period 2072.715678586677
5.67
1.5601e-05
4.271e-08
d
yr
n .173685182062922 1.3073e-09 deg/d
Q 3.737281467593283 1.8753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1209  
   data-arc span      14174 days (38.81 yr)  
   first obs. used      1982-01-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:11  

Additional Information
 Earth MOID = 1.63871 au 
 Jupiter MOID = 1.6152 au 
 T_jup = 3.166 
[ 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 14.1   n/a MPO319886  
diameter diameter 7.519 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.086   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70033 (1999 CO20)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CO20 = 1982 BL7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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