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7768 (1991 SX1)
Classification: Main-belt Asteroid          SPK-ID: 2007768
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02942942670527384 5.7682e-08  
a 2.228280730313621 1.082e-08 AU
q 2.162703705882083 1.2672e-07 AU
i 1.855012414821516 6.2853e-06 deg
node 326.8962168583582 0.00014137 deg
peri 155.4570601417178 0.0001715 deg
M 158.8620802486377 9.7589e-05 deg
tp 2456264.368865903316
(2012-Dec-02.86886590)
0.00032846 JED
period 1214.935672331165
3.33
8.8494e-06
2.423e-08
d
yr
n .2963119844108683 2.1583e-09 deg/d
Q 2.29385775474516 1.1139e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      21439 days (58.70 yr)  
   first obs. used      1955-10-25  
   last obs. used      2014-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51747  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:17:52  

Additional Information
 Earth MOID = 1.1782 AU 
 T_jup = 3.643 
[ 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 13.7 mag n/a MPO263418  

7768 (1991 SX1)          Discovered 1991-Sep-16 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 SX1 = 1983 CB2 = 1983 CQ1 = 1993 BR5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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