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6788 (1991 PH15)
Classification: Main-belt Asteroid          SPK-ID: 2006788
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844392227160307 3.798e-08  
a 2.353747355305452 1.1901e-08 AU
q 1.919624022623001 9.0482e-08 AU
i .6891907295375399 5.6903e-06 deg
node 176.0855868849363 0.00038879 deg
peri 99.07139938828773 0.00038919 deg
M 207.4984146231324 1.9532e-05 deg
tp 2457559.240371501523
(2016-Jun-19.74037150)
7.3662e-05 JED
period 1318.979951870451
3.61
1.0004e-05
2.739e-08
d
yr
n .2729381894618507 2.0701e-09 deg/d
Q 2.787870687987902 1.4096e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      14081 days (38.55 yr)  
   first obs. used      1976-04-05  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52168  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:02:39  

Additional Information
 Earth MOID = .904835 AU 
 T_jup = 3.533 
[ 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 13.9 mag n/a MPO265994  

6788 (1991 PH15)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 PH15 = 1976 GS8 = 1984 SA4 = 1987 KD = 1987 KM5 = 1990 DE4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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