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5599 (1991 SG1)
Classification: Main-belt Asteroid          SPK-ID: 2005599
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324303241302267 5.5387e-08  
a 2.420403144898934 1.5114e-08 AU
q 2.099868371894148 1.3427e-07 AU
i 6.449785763981673 5.8529e-06 deg
node 265.7823544243014 5.6204e-05 deg
peri 196.9456643762989 6.1986e-05 deg
M 351.4492451054535 2.586e-05 deg
tp 2457033.168707059097
(2015-Jan-10.66870706)
9.8864e-05 JED
period 1375.403070993855
3.77
1.2883e-05
3.527e-08
d
yr
n .2617414542631978 2.4516e-09 deg/d
Q 2.740937917903719 1.7115e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      9994 days (27.36 yr)  
   first obs. used      1987-09-18  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51243  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:13:51  

Additional Information
 Earth MOID = 1.11749 AU 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO267730  
rotation period rot_per 3.62 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Willis, S. (2004) Minor Planet Bul. 31, 82-83.]

5599 (1991 SG1)          Discovered 1991-Sep-29 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 SG1 = 1951 AK1 = 1972 RE1 = 1987 SY20 = 1989 CE1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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