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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262314625708982 1.5993e-08  
a 2.582592436169602 9.6201e-09 au
q 2.256588015727374 4.0936e-08 au
i 14.71155246429477 8.8848e-07 deg
node 146.403512208598 3.4958e-06 deg
peri 327.6245420662467 8.0433e-06 deg
M 18.64763207247992 7.2828e-06 deg
tp 2459121.975816376038
(2020-Sep-29.47581638)
3.0669e-05 TDB
period 1515.940790484882
4.15
8.4703e-06
2.319e-08
d
yr
n .2374762934407564 1.3269e-09 deg/d
Q 2.90859685661183 1.0834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2316  
   data-arc span      18301 days (50.11 yr)  
   first obs. used      1971-02-01  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:02:18  

Additional Information
 Earth MOID = 1.28405 au 
 Jupiter MOID = 2.18032 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. 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:
[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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