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15558 (2000 GR2)
Classification: Main-belt Asteroid          SPK-ID: 2015558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261698163845529 2.915e-08  
a 2.582361057236648 1.1086e-08 au
q 2.25654503680648 7.6761e-08 au
i 14.7109832891054 4.3349e-06 deg
node 146.4057933931789 1.808e-05 deg
peri 327.6756835118838 2.8593e-05 deg
M 331.1073573576297 2.1817e-05 deg
tp 2459122.149026510688
(2020-Sep-29.64902651)
9.1867e-05 TDB
period 1515.737071403271
4.15
9.7606e-06
2.672e-08
d
yr
n .2375082108843005 1.5294e-09 deg/d
Q 2.908177077666815 1.2485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1973  
   data-arc span      18169 days (49.74 yr)  
   first obs. used      1971-02-01  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:32:50  

Additional Information
 Earth MOID = 1.28405 au 
 Jupiter MOID = 2.18106 au 
 T_jup = 3.367 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO502288  
rotation period rot_per 2.692 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15558 (2000 GR2)          Discovered 2000-Apr-03 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 GR2 = 1971 CC = 1988 FY = 1992 EE25 = 1996 DS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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