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216913 (4533 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2216913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796626836742883 5.2449e-08  
a 2.741042463156786 1.5704e-08 au
q 2.248579418160856 1.4404e-07 au
i 11.15263764379793 5.6031e-06 deg
node 174.6996935231146 2.5009e-05 deg
peri 187.83468366 2.8238e-05 deg
M 101.9267630402671 1.2462e-05 deg
tp 2458731.192166216280
(2019-Sep-04.69216622)
5.7326e-05 TDB
period 1657.570741213411
4.54
1.4245e-05
3.9e-08
d
yr
n .2171853007832806 1.8665e-09 deg/d
Q 3.233505508152715 1.8526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      22091 days (60.48 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:42:07  

Additional Information
 Earth MOID = 1.24459 au 
 Jupiter MOID = 2.2235 au 
 T_jup = 3.299 
[ 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 16.34   n/a MPCxxxxx  
diameter diameter 1.795 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.199   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216913 (4533 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 4533 P-L = 2001 UX88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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