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13965 (1991 PL8)
Classification: Main-belt Asteroid          SPK-ID: 2013965
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594264937998931 4.9467e-08  
a 3.09429679832333 3.0968e-08 au
q 2.600983908990407 1.5143e-07 au
i 1.402174317328027 7.8264e-06 deg
node 31.00635060950431 0.00023363 deg
peri 256.4846431108336 0.00023486 deg
M 199.0869242186063 2.6102e-05 deg
tp 2458289.148913630980
(2018-Jun-19.64891363)
0.00014793 JED
period 1988.114436031086
5.44
2.9846e-05
8.171e-08
d
yr
n .1810760957596966 2.7184e-09 deg/d
Q 3.587609687656253 3.5905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      8903 days (24.38 yr)  
   first obs. used      1991-08-05  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56983  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:25:59  

Additional Information
 Earth MOID = 1.58337 au 
 Jupiter MOID = 1.57562 au 
 T_jup = 3.204 
[ 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 MPO267762  

13965 (1991 PL8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PL8 = 1991 RZ38 = 1995 DN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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