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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324303224170368 5.5526e-08  
a 2.420403148452382 1.8336e-08 AU
q 2.099868379123622 1.3551e-07 AU
i 6.449785864652274 5.8781e-06 deg
node 265.7823566717981 6.3505e-05 deg
peri 196.9456674579066 7.0112e-05 deg
M 351.4492380390731 3.3185e-05 deg
tp 2457033.168734128599
(2015-Jan-10.66873413)
0.00012697 JED
period 1375.403074022746
3.77
1.563e-05
4.279e-08
d
yr
n .261741453686795 2.9744e-09 deg/d
Q 2.740937917781142 2.0765e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      9567 days (26.19 yr)  
   first obs. used      1987-09-18  
   last obs. used      2013-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51914  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:13:53  

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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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