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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07110408524135645 1.5534e-08  
a 2.998337801812061 1.6375e-08 au
q 2.785143735169635 5.0898e-08 au
i 9.366081139765695 9.5184e-07 deg
node 285.9675644110962 5.6917e-06 deg
peri 168.3432559357902 1.6267e-05 deg
M 166.782578540822 1.8578e-05 deg
tp 2458321.948043257225
(2018-Jul-22.44804326)
9.6289e-05 TDB
period 1896.353367327187
5.19
1.5535e-05
4.253e-08
d
yr
n .1898380366246833 1.5551e-09 deg/d
Q 3.211531868454488 1.7539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1722  
   data-arc span      11871 days (32.50 yr)  
   first obs. used      1988-02-13  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5026  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:42:49  

Additional Information
 Earth MOID = 1.80243 au 
 Jupiter MOID = 1.93919 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 13.18   n/a MPCxxxxx  
diameter diameter 8.087 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.93712 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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