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2769 Mendeleev (1976 GZ2)
Classification: Main-belt Asteroid          SPK-ID: 2002769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270327536531322 3.6166e-08  
a 3.139082820619277 1.3636e-08 au
q 2.740316485970769 1.1341e-07 au
i 2.521991444436572 3.2557e-06 deg
node 102.3512712063403 9.2074e-05 deg
peri 46.97101094118401 9.3115e-05 deg
M 57.05205413835455 1.326e-05 deg
tp 2458878.562643997094
(2020-Jan-30.06264400)
7.478e-05 TDB
period 2031.433397296934
5.56
1.3237e-05
3.624e-08
d
yr
n .1772147688814328 1.1547e-09 deg/d
Q 3.537849155267784 1.5369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2751  
   data-arc span      24785 days (67.86 yr)  
   first obs. used      1953-03-10  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:05:38  

Additional Information
 Earth MOID = 1.75227 au 
 Jupiter MOID = 1.46267 au 
 T_jup = 3.197 
[ 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 12.23   n/a E2021B10  
diameter diameter 13.922 km 3.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 8.229 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.067   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2769 Mendeleev (1976 GZ2)          Discovered 1976-Apr-01 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1976 GZ2 = 1953 EA1 = 1981 AS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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