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18210 (4529 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2018210
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464513854632583 6.3452e-08  
a 3.17420409607618 2.3035e-08 au
q 2.709337508462674 2.0497e-07 au
i 4.744647658322621 6.6492e-06 deg
node 356.8494646526117 5.65e-05 deg
peri 335.4335921880748 5.9178e-05 deg
M 201.8312687053227 2.0805e-05 deg
tp 2459908.046379900170
(2022-Nov-24.54637990)
0.0001236 TDB
period 2065.621277288805
5.66
2.2485e-05
6.156e-08
d
yr
n .1742817059245786 1.8971e-09 deg/d
Q 3.639070683689686 2.6408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      21809 days (59.71 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:16:19  

Additional Information
 Earth MOID = 1.69999 au 
 Jupiter MOID = 1.73229 au 
 T_jup = 3.179 
[ 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 14.2   n/a MPO337412  
diameter diameter 7.019 km 0.613 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18210 (4529 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4529 P-L = 1977 RV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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