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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02951651954670056 5.4688e-08  
a 2.227817747914954 9.9834e-09 au
q 2.162060321812136 1.1995e-07 au
i 1.854984355788532 5.8187e-06 deg
node 326.8920006762138 0.00012514 deg
peri 156.0366268647081 0.00014945 deg
M 336.0976812249922 8.3332e-05 deg
tp 2457481.140915456109
(2016-Apr-02.64091546)
0.00028133 JED
period 1214.557040991083
3.33
8.1641e-06
2.235e-08
d
yr
n .2964043580087754 1.9924e-09 deg/d
Q 2.293575174017773 1.0278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1220  
   data-arc span      21965 days (60.14 yr)  
   first obs. used      1955-10-25  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52576  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:04:52  

Additional Information
 Earth MOID = 1.17755 au 
 Jupiter MOID = 2.70462 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 13.8 mag n/a MPO350864  

7768 (1991 SX1)          Discovered 1991-Sep-16 by Holt, H. E. at Palomar
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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