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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327351177092882 5.3459e-08  
a 2.419932116648443 1.4162e-08 au
q 2.098722142296625 1.2865e-07 au
i 6.448679913122399 5.7265e-06 deg
node 265.7384115144646 5.2471e-05 deg
peri 196.7127822364767 5.7864e-05 deg
M 148.7421911016714 2.3949e-05 deg
tp 2457032.386805448861
(2015-Jan-09.88680545)
9.0497e-05 JED
period 1375.001595200461
3.76
1.207e-05
3.305e-08
d
yr
n .2618178780712728 2.2983e-09 deg/d
Q 2.741142091000261 1.6041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      10441 days (28.59 yr)  
   first obs. used      1987-09-18  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48569  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:52:43  

Additional Information
 Earth MOID = 1.1149 au 
 Jupiter MOID = 2.41452 au 
 T_jup = 3.494 
[ 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. 2016-February); 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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