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JPL Small-Body Database Browser
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85040 (4617 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970057701870626 5.6408e-08  
a 2.31533866043987 9.6761e-09 au
q 1.859203584396032 1.2973e-07 au
i 6.051715903145576 5.6445e-06 deg
node 5.475137886868712 4.7858e-05 deg
peri 30.6290382018297 4.9993e-05 deg
M 316.3622996484305 1.491e-05 deg
tp 2459156.483825463890
(2020-Nov-02.98382546)
5.3847e-05 TDB
period 1286.827140628206
3.52
8.0667e-06
2.209e-08
d
yr
n .2797578545198033 1.7537e-09 deg/d
Q 2.771473736483708 1.1582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      21017 days (57.54 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54222  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:42:07  

Additional Information
 Earth MOID = .868557 au 
 Jupiter MOID = 2.6756 au 
 T_jup = 3.548 
[ 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 16.2   n/a MPO436370  

85040 (4617 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 4617 P-L = 1999 XN130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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