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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272127508589181 3.6219e-08  
a 3.139795004939573 1.3682e-08 au
q 2.74037304522812 1.1366e-07 au
i 2.521975685840551 3.2578e-06 deg
node 102.3523011037857 9.2107e-05 deg
peri 47.01787324496925 9.3144e-05 deg
M 21.56160673752563 1.323e-05 deg
tp 2458878.789236136045
(2020-Jan-30.28923614)
7.4672e-05 TDB
period 2032.124763446647
5.56
1.3283e-05
3.637e-08
d
yr
n .1771544771637993 1.1579e-09 deg/d
Q 3.539216964651026 1.5422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2738  
   data-arc span      24596 days (67.34 yr)  
   first obs. used      1953-03-10  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:15  

Additional Information
 Earth MOID = 1.75248 au 
 Jupiter MOID = 1.46203 au 
 T_jup = 3.197 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129343852818653 3.6104e-08  
q 2.734745845325471 1.1368e-07 au
tp 2456846.066253423877
(2014-Jul-07.56625342)
7.4511e-05 TDB
node 102.3691200180574 9.2075e-05 deg
peri 46.96325132403314 9.3078e-05 deg
i 2.522402515758942 3.2585e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2738  
   data-arc span      24596 days (67.34 yr)  
   first obs. used      1953-03-10  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:15  

Additional Information
 Jupiter MOID = 1.46203 au 
 T_jup = 3.197 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.303522614795273E-15 -4.082107524105957E-15 5.87178409034063E-13 1.821790092401739E-15 1.381923787398868E-13 -2.079161106232806E-17
q -4.082107524105957E-15 1.292262809979268E-14 -1.979660628560325E-12 -6.258909629818785E-15 -4.592843766895127E-13 8.091003218333469E-17
tp 5.87178409034063E-13 -1.979660628560325E-12 5.551941920074775E-9 -6.029975641631009E-13 1.041142904542569E-9 1.632533436623467E-13
node 1.821790092401739E-15 -6.258909629818785E-15 -6.029975641631009E-13 8.477811705404242E-9 -8.469465871602695E-9 4.275866270660933E-11
peri 1.381923787398868E-13 -4.592843766895127E-13 1.041142904542569E-9 -8.469465871602695E-9 8.663589820394345E-9 -4.268971792062835E-11
i -2.079161106232806E-17 8.091003218333469E-17 1.632533436623467E-13 4.275866270660933E-11 -4.268971792062835E-11 1.061770462742204E-11

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

[ show close-approach data ]
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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