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3623 Chaplin (1981 TG2)
Classification: Main-belt Asteroid          SPK-ID: 2003623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0831468137281422 3.2509e-08  
a 2.852487731781776 1.1195e-08 au
q 2.615312465685506 9.5138e-08 au
i 3.072114184961618 3.5406e-06 deg
node 118.1047204516745 5.9397e-05 deg
peri 235.1883820446375 6.2729e-05 deg
M 43.15014123050332 1.9332e-05 deg
tp 2458789.581912132057
(2019-Nov-02.08191213)
9.4598e-05 TDB
period 1759.68164801239
4.82
1.0359e-05
2.836e-08
d
yr
n .2045824597913095 1.2044e-09 deg/d
Q 3.089662997878046 1.2126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2944  
   data-arc span      24546 days (67.20 yr)  
   first obs. used      1952-11-12  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:51:53  

Additional Information
 Earth MOID = 1.61127 au 
 Jupiter MOID = 2.2773 au 
 T_jup = 3.298 
[ 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 12.1   n/a MPO502188  
diameter diameter 9.887 km 1.614 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.361 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Birlan, M.; Barucci, M.A.; Angeli, C.A.; Doressoundiram, A.; De Sanctis, M.C. (1996) Planet. Space Sci. 44, 555-558.]
[Marchis, F.; Enriquez, J.E.; Emery, J.P.; Mueller, M.; et al. (2012) Icarus 221, 1130-1161.]
geometric albedo albedo 0.263   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3623 Chaplin (1981 TG2)          Discovered 1981-Oct-04 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 TG2 = 1952 VK = 1962 WT1 = 1971 UM4 = 1976 UG1 = 1983 CT1 = 1988 DY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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