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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850554803726193 4.1793e-08  
a 2.352546514700875 1.2468e-08 AU
q 1.917194889323973 9.9356e-08 AU
i .6890086300116913 6.0469e-06 deg
node 176.1533129067726 0.00041928 deg
peri 98.96329658804025 0.00041971 deg
M 152.9486560791702 2.0273e-05 deg
tp 2456240.550424129463
(2012-Nov-09.05042413)
7.2336e-05 JED
period 1317.970699978229
3.61
1.0477e-05
2.868e-08
d
yr
n .2731471951583951 2.1714e-09 deg/d
Q 2.787898140077777 1.4775e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      13846 days (37.91 yr)  
   first obs. used      1976-04-05  
   last obs. used      2014-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53569  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:49:27  

Additional Information
 Earth MOID = .900547 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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