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JPL Small-Body Database Browser
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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272127492295237 3.6314e-08  
a 3.139795006204616 1.3876e-08 au
q 2.740373051448198 1.1412e-07 au
i 2.521975202995842 3.3265e-06 deg
node 102.3523040541914 9.2276e-05 deg
peri 47.01787130586242 9.333e-05 deg
M 21.56160524635626 1.3499e-05 deg
tp 2458878.789244479827
(2020-Jan-30.28924448)
7.6162e-05 TDB
period 2032.124764674781
5.56
1.3471e-05
3.688e-08
d
yr
n .1771544770567343 1.1744e-09 deg/d
Q 3.539216960961035 1.5641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2612  
   data-arc span      24521 days (67.13 yr)  
   first obs. used      1953-03-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:45:06  

Additional Information
 Earth MOID = 1.75248 au 
 Jupiter MOID = 1.46203 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 12.2   n/a MPO502179  
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. 2019-August); 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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