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2369 Chekhov (1976 GC8)
Classification: Main-belt Asteroid          SPK-ID: 2002369
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04676243113543509 3.0813e-08  
a 2.781864877825964 1.018e-08 au
q 2.651778113048542 8.5055e-08 au
i 2.63176390988512 3.682e-06 deg
node 47.92351430559727 7.1132e-05 deg
peri 240.3104155138544 8.1272e-05 deg
M 97.88735755364337 3.9195e-05 deg
tp 2458539.685030978290
(2019-Feb-25.18503098)		 0.00018453 TDB
period 1694.737635111912
4.64		 9.3026e-06
2.547e-08		 d
yr
n .2124222608511479 1.166e-09 deg/d
Q 2.911951642603386 1.0656e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3175  
   data-arc span      23762 days (65.06 yr)  
   first obs. used      1955-10-25  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:05:54  

Additional Information
 Earth MOID = 1.63669 au 
 Jupiter MOID = 2.15466 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04829756978746551 3.0537e-08  
q 2.648410993767752 8.4545e-08 au
tp 2456853.321298086632
(2014-Jul-14.82129809)		 0.00018034 TDB
node 47.94639647141167 7.107e-05 deg
peri 242.265951239751 8.0747e-05 deg
i 2.634038697290133 3.682e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3175  
   data-arc span      23762 days (65.06 yr)  
   first obs. used      1955-10-25  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:05:54  

Additional Information
 Jupiter MOID = 2.15466 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.324798043731421E-16 -2.564670776653834E-15 -1.683725828302192E-13 1.830495685200625E-15 -5.911612514433887E-14 -1.603421805767996E-16
q -2.564670776653834E-15 7.147801238591976E-15 3.23836935192289E-13 -5.523224413818427E-15 1.328356569407081E-13 4.63752332993053E-16
tp -1.683725828302192E-13 3.23836935192289E-13 3.252162039174857E-8 -6.151173340110661E-12 6.922580802763804E-9 -1.146325110661675E-12
node 1.830495685200625E-15 -5.523224413818427E-15 -6.151173340110661E-12 5.050895525994694E-9 -5.046650997656234E-9 -1.465345203197268E-11
peri -5.911612514433887E-14 1.328356569407081E-13 6.922580802763804E-9 -5.046650997656234E-9 6.52014593165597E-9 1.439534853541139E-11
i -1.603421805767996E-16 4.63752332993053E-16 -1.146325110661675E-12 -1.465345203197268E-11 1.439534853541139E-11 1.35570069336083E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO347537  
diameter diameter 10.227 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.293   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2369 Chekhov (1976 GC8)          Discovered 1976-Apr-04 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1976 GC8 = 1972 LT = 1976 JJ 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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