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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844392219823095 3.6396e-08  
a 2.353747355135661 1.1705e-08 AU
q 1.919624024211521 8.7298e-08 AU
i .6891936808669221 4.9438e-06 deg
node 176.0857778463744 0.0003531 deg
peri 99.07120915748685 0.00035346 deg
M 207.4984140547338 1.8413e-05 deg
tp 2457559.240373523583
(2016-Jun-19.74037352)
6.9944e-05 JED
period 1318.979951727732
3.61
9.8385e-06
2.694e-08
d
yr
n .2729381894913839 2.0359e-09 deg/d
Q 2.7878706860598 1.3863e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      14229 days (38.96 yr)  
   first obs. used      1976-04-05  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49581  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:26:21  

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 14.0 mag n/a MPO324371  

6788 (1991 PH15)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
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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