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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02945223919442829 5.7223e-08  
a 2.228201295327496 1.0738e-08 AU
q 2.162575777804176 1.2547e-07 AU
i 1.855026783062589 6.1752e-06 deg
node 326.8952614011026 0.00013793 deg
peri 155.6103387263559 0.00016661 deg
M 217.9649047115201 9.4454e-05 deg
tp 2457479.817435033501
(2016-Apr-01.31743503)
0.00031974 JED
period 1214.870706860122
3.33
8.782e-06
2.404e-08
d
yr
n .2963278297576481 2.1421e-09 deg/d
Q 2.293826812850817 1.1054e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      21453 days (58.74 yr)  
   first obs. used      1955-10-25  
   last obs. used      2014-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51566  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:11:17  

Additional Information
 Earth MOID = 1.1783 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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