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385613 (2005 GP91)
Classification: Main-belt Asteroid          SPK-ID: 2385613
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158846283165411 7.1798e-08  
a 2.876852991303101 5.327e-08 au
q 2.255784652554302 2.2314e-07 au
i 8.174890477406999 7.2298e-06 deg
node 351.2098495558891 4.0334e-05 deg
peri 355.6696419037191 4.2502e-05 deg
M 307.5997323933722 1.5407e-05 deg
tp 2459459.921481814979
(2021-Sep-02.42148182)
8.0954e-05 TDB
period 1782.275887491461
4.88
4.9503e-05
1.355e-07
d
yr
n .2019889302922103 5.6103e-09 deg/d
Q 3.4979213300519 6.477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5975 days (16.36 yr)  
   first obs. used      2004-02-13  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:01  

Additional Information
 Earth MOID = 1.24739 au 
 Jupiter MOID = 1.92755 au 
 T_jup = 3.246 
[ 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 16.07   n/a E2021B25  
rotation period rot_per 6.32 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

385613 (2005 GP91)          Discovered 2005-Apr-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 GP91 = 2010 NR50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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