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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04662605573404841 2.0494e-08  
a 2.782528328020451 9.6669e-09 au
q 2.652790007116601 5.6033e-08 au
i 2.631490248607396 7.03e-07 deg
node 47.92308889950926 1.729e-05 deg
peri 240.5561086786672 2.6926e-05 deg
M 140.120409087471 1.6816e-05 deg
tp 2458540.632537269423
(2019-Feb-26.13253727)		 7.8432e-05 TDB
period 1695.343941186428
4.64		 8.8348e-06
2.419e-08		 d
yr
n .2123462922503302 1.1066e-09 deg/d
Q 2.912266648924301 1.0118e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3421  
   data-arc span      23886 days (65.40 yr)  
   first obs. used      1955-10-25  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:12:29  

Additional Information
 Earth MOID = 1.63579 au 
 Jupiter MOID = 2.15352 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04830786347433647 2.0041e-08  
q 2.648116856837914 5.4783e-08 au
tp 2456852.502042328783
(2014-Jul-14.00204233)		 7.6275e-05 TDB
node 47.94005966997143 1.7273e-05 deg
peri 242.0778463297656 2.6796e-05 deg
i 2.634114208554877 7.0357e-07 deg
   Orbit Determination Parameters
   # obs. used (total)      3421  
   data-arc span      23886 days (65.40 yr)  
   first obs. used      1955-10-25  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:12:29  

Additional Information
 Jupiter MOID = 2.15352 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.016252115413255E-16 -1.082763712611198E-15 -8.81855479427842E-13 3.401054243196786E-14 -2.558027074398194E-13 8.060108576738474E-16
q -1.082763712611198E-15 3.001206662547763E-15 2.511273392563116E-12 -9.311146950525846E-14 7.231149767809965E-13 -2.244187973664264E-15
tp -8.81855479427842E-13 2.511273392563116E-12 5.817820063013228E-9 -2.610219502683827E-10 1.587423975274016E-9 1.58469691665401E-11
node 3.401054243196786E-14 -9.311146950525846E-14 -2.610219502683827E-10 2.9834063728944E-10 -3.558775412328026E-10 -3.531238821647643E-12
peri -2.558027074398194E-13 7.231149767809965E-13 1.587423975274016E-9 -3.558775412328026E-10 7.180161197009723E-10 6.809093566157598E-12
i 8.060108576738474E-16 -2.244187973664264E-15 1.58469691665401E-11 -3.531238821647643E-12 6.809093566157598E-12 4.950118572965654E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.10   n/a MPCxxxxx  
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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