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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971246838292954 4.9049e-08  
a 2.315617800045542 6.2566e-09 au
q 1.859152373342076 1.1451e-07 au
i 6.051827185254662 4.6849e-06 deg
node 5.469973288030297 3.26e-05 deg
peri 30.69679727138926 3.4234e-05 deg
M 67.09105639430068 8.1598e-06 deg
tp 2459156.638317742298
(2020-Nov-03.13831774)
2.9142e-05 TDB
period 1287.059859443623
3.52
5.2163e-06
1.428e-08
d
yr
n .2797072703018045 1.1336e-09 deg/d
Q 2.772083226749008 7.4899e-09 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      22104 days (60.52 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-04-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:12  

Additional Information
 Earth MOID = .867877 au 
 Jupiter MOID = 2.67702 au 
 T_jup = 3.548 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.30   n/a E2021B10  

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

Alternate Designations
 4617 P-L = 1999 XN130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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