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2297 Daghestan (1978 RE)
Classification: Main-belt Asteroid          SPK-ID: 2002297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263573939345386 3.3686e-08  
a 3.169210621827647 1.619e-08 au
q 2.768757426823847 1.0623e-07 au
i 1.612568286650654 4.0366e-06 deg
node 140.496311100248 0.00013703 deg
peri 93.18344192639717 0.00013796 deg
M 261.5422050703825 1.7289e-05 deg
tp 2459564.102207385632
(2021-Dec-15.60220739)
0.0001004 TDB
period 2060.748920934782
5.64
1.5791e-05
4.323e-08
d
yr
n .1746937709600738 1.3386e-09 deg/d
Q 3.569663816831447 1.8236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2965  
   data-arc span      32548 days (89.11 yr)  
   first obs. used      1931-03-15  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:37:55  

Additional Information
 Earth MOID = 1.75824 au 
 Jupiter MOID = 1.42501 au 
 T_jup = 3.190 
[ 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 11.4   n/a MPO502175  
diameter diameter 26.579 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.75 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Brinsfield, J.W. (2010) Minor Planet Bull. 37, 146-147.]
geometric albedo albedo 0.091   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2297 Daghestan           Discovered 1978 Sept. 1 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Named for one of the autonomous republics of the R.S.F.S.R.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5688Last Updated: 2006-03-21

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Alternate Designations
 1978 RE = 1931 EJ = 1954 HL = 1956 TF = 1956 UP = 1959 EG = 1971 HF = 1973 UB1 = 1975 AP = 1976 GD = 1977 MA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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