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4032 Chaplygin (1985 UT4)
Classification: Main-belt Asteroid          SPK-ID: 2004032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1413665546641011 1.921e-08  
a 2.182269948579721 4.696e-09 au
q 1.873769964602001 4.2764e-08 au
i 2.132779831629202 8.5102e-07 deg
node 167.2248526560297 1.8088e-05 deg
peri 206.5391420893798 1.7438e-05 deg
M 345.4509809297817 4.4308e-06 deg
tp 2459248.087440572496
(2021-Feb-02.58744057)
1.4577e-05 TDB
period 1177.500594604802
3.22
3.8007e-06
1.041e-08
d
yr
n .3057323296900966 9.8684e-10 deg/d
Q 2.490769932557442 5.3598e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2926  
   data-arc span      17659 days (48.35 yr)  
   first obs. used      1972-10-07  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46624  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:51:51  

Additional Information
 Earth MOID = .873007 au 
 Jupiter MOID = 2.9733 au 
 T_jup = 3.666 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.45   n/a E2021B10  
diameter diameter 4.532 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4032 Chaplygin (1985 UT4)          Discovered 1985-Oct-22 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 UT4 = 1972 TD1 = 1975 RO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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