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10328 (1991 GC1)
Classification: Main-belt Asteroid          SPK-ID: 2010328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048091187722589 2.879e-08  
a 2.536034005917273 8.3119e-09 au
q 2.016631115988874 7.138e-08 au
i 13.82195122805079 5.7985e-06 deg
node 14.54476304680339 1.6617e-05 deg
peri 222.5208327359818 2.4946e-05 deg
M 150.3635666485429 1.8445e-05 deg
tp 2458780.371704742461
(2019-Oct-23.87170474)
7.4653e-05 TDB
period 1475.132515386257
4.04
7.2521e-06
1.986e-08
d
yr
n .244045871299729 1.1998e-09 deg/d
Q 3.055436895845671 1.0014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2159  
   data-arc span      11081 days (30.34 yr)  
   first obs. used      1991-03-16  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:56:43  

Additional Information
 Earth MOID = 1.02915 au 
 Jupiter MOID = 2.00991 au 
 T_jup = 3.379 
[ 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 14.02   n/a MPCxxxxx  
diameter diameter 8.848 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.357 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Galad, A.; Kornos, L. (2008) Minor Planet Bull. 35, 78-81.]
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10328 (1991 GC1)          Discovered 1991-Apr-10 by Helin, E. F. at Palomar
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 GC1 = 1983 GL2 = 1995 HN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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