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JPL Small-Body Database Browser
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65510 (4241 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2065510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0240028071554236 4.2423e-08  
a 2.933765357286034 2.0013e-08 au
q 2.863346753175835 1.3343e-07 au
i 11.58049521595262 4.6727e-06 deg
node 205.8559636459828 2.2388e-05 deg
peri 89.58477591906679 0.00012225 deg
M 309.5728008675934 0.0001173 deg
tp 2458857.598082157078
(2020-Jan-09.09808216)
0.00059799 TDB
period 1835.424357667093
5.03
1.8781e-05
5.142e-08
d
yr
n .1961399272577903 2.007e-09 deg/d
Q 3.004183961396234 2.0493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      21518 days (58.91 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:33:35  

Additional Information
 Earth MOID = 1.87808 au 
 Jupiter MOID = 2.02763 au 
 T_jup = 3.244 
[ 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 14.6   n/a MPO347952  
rotation period rot_per 9.295 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

65510 (4241 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4241 P-L = 2000 RQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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