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117945 (6271 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06179961980936011 5.392e-08  
a 3.44536109724225 3.3682e-08 au
q 3.232439091326719 1.9589e-07 au
i .9448130491540494 5.3593e-06 deg
node 312.0601952932622 0.00037416 deg
peri 5.848569727851604 0.00037748 deg
M 154.535693520247 4.8898e-05 deg
tp 2457997.786527771017
(2017-Sep-01.28652777)
0.00032091 TDB
period 2335.880092032844
6.40
3.4254e-05
9.378e-08
d
yr
n .1541174999640942 2.26e-09 deg/d
Q 3.658283103157782 3.5764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      21671 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:08  

Additional Information
 Earth MOID = 2.21905 au 
 Jupiter MOID = 1.55058 au 
 T_jup = 3.134 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO257548  

117945 (6271 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 6271 P-L = 1999 VA136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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