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27709 Orenburg (1988 CU3)
Classification: Main-belt Asteroid          SPK-ID: 2027709
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07151149661455587 3.6141e-08  
a 2.997276302563849 1.7569e-08 au
q 2.782936588400166 1.0624e-07 au
i 9.366593586913261 4.0869e-06 deg
node 285.9657257474327 2.75e-05 deg
peri 168.2983510307185 4.281e-05 deg
M 128.8341633355015 3.257e-05 deg
tp 2458322.207308558357
(2018-Jul-22.70730856)
0.00017053 TDB
period 1895.34640965611
5.19
1.6665e-05
4.563e-08
d
yr
n .1899388935795215 1.67e-09 deg/d
Q 3.211616016727532 1.8826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1677  
   data-arc span      11863 days (32.48 yr)  
   first obs. used      1988-02-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:30:32  

Additional Information
 Earth MOID = 1.80044 au 
 Jupiter MOID = 1.93964 au 
 T_jup = 3.230 
[ 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 13.2   n/a MPO474127  
diameter diameter 8.087 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27709 Orenburg           Discovered 1988 Feb. 13 by E. W. Elst at the European Southern Observatory.
Established in 1743, Orenburg is a city on the Ural river that served as the frontier fortress between Russia and Kazakhstan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1988 CU3 = 1997 YM16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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