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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02977421909084486 5.2273e-08  
a 2.228389271313689 9.3251e-09 au
q 2.162040720929907 1.1544e-07 au
i 1.854541843053434 5.5967e-06 deg
node 326.8934918588315 0.00012292 deg
peri 156.0971570013447 0.00014433 deg
M 35.30486443698813 7.6812e-05 deg
tp 2457481.343685337674
(2016-Apr-02.84368534)
0.00025906 JED
period 1215.024443869435
3.33
7.6267e-06
2.088e-08
d
yr
n .2962903354055362 1.8598e-09 deg/d
Q 2.294737821697471 9.6027e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      22080 days (60.45 yr)  
   first obs. used      1955-10-25  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51758  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:09  

Additional Information
 Earth MOID = 1.17613 au 
 Jupiter MOID = 2.70363 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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