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4052 Crovisier (1981 DP2)
Classification: Main-belt Asteroid          SPK-ID: 2004052
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06665028239383763 3.2588e-08  
a 3.024165333999611 1.7095e-08 au
q 2.822603860482882 1.0591e-07 au
i 9.160688718521769 4.4178e-06 deg
node 305.7084151908978 2.5255e-05 deg
peri 130.5962322222019 4.7556e-05 deg
M 265.3611788740602 3.9054e-05 deg
tp 2459505.479262929232
(2021-Oct-17.97926293)
0.00020797 TDB
period 1920.908697844034
5.26
1.6288e-05
4.459e-08
d
yr
n .1874113019551905 1.5891e-09 deg/d
Q 3.225726807516339 1.8235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2554  
   data-arc span      32059 days (87.77 yr)  
   first obs. used      1933-01-29  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:15:23  

Additional Information
 Earth MOID = 1.84858 au 
 Jupiter MOID = 1.94834 au 
 T_jup = 3.223 
[ 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 12.1   n/a MPO492798  
diameter diameter 13.052 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.6154 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.180   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4052 Crovisier (1981 DP2)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 DP2 = 1933 BU = 1979 YY9 = 1983 RG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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