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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132747155894381 5.5171e-08  
a 2.420194233658477 1.4941e-08 au
q 2.098920332428333 1.3371e-07 au
i 6.448241516274498 5.8199e-06 deg
node 265.7415401969402 5.4839e-05 deg
peri 196.7703380326326 6.0602e-05 deg
M 96.31036549820072 2.5168e-05 deg
tp 2457032.587714786593
(2015-Jan-10.08771479)
9.5504e-05 JED
period 1375.225002954651
3.77
1.2735e-05
3.487e-08
d
yr
n .2617753452900763 2.4241e-09 deg/d
Q 2.741468134888621 1.6924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      10086 days (27.61 yr)  
   first obs. used      1987-09-18  
   last obs. used      2015-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .491  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:52:00  

Additional Information
 Earth MOID = 1.11642 au 
 Jupiter MOID = 2.41515 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 12.9 mag n/a MPO337300  
rotation period rot_per 3.62 h n/a LCDB (Rev. 2015-December); 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
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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