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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456748.5 (2014-Apr-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436799325322531 6.3265e-08  
q 2.721383409991321 2.0396e-07 au
tp 2455774.262274320828
(2011-Jul-31.76227432)
0.00011283 TDB
node 356.8991233186651 5.6548e-05 deg
peri 335.4497826770155 5.9332e-05 deg
i 4.740768519965604 6.6424e-06 deg
  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
 Jupiter MOID = 1.73229 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.002409324173846E-15 -1.284473922767779E-14 2.935857294130835E-12 1.361689457878426E-14 3.57706582565945E-13 -2.062229174306807E-15
q -1.284473922767779E-14 4.160118453514369E-14 -9.117755034255114E-12 -4.198003757340843E-14 -1.079179115396092E-12 7.802249898347036E-15
tp 2.935857294130835E-12 -9.117755034255114E-12 1.273015311915127E-8 1.772861608613357E-11 2.040869466642965E-9 -7.913579045821266E-12
node 1.361689457878426E-14 -4.198003757340843E-14 1.772861608613357E-11 3.197661500393555E-9 -3.182862039327193E-9 -1.945886241967872E-11
peri 3.57706582565945E-13 -1.079179115396092E-12 2.040869466642965E-9 -3.182862039327193E-9 3.520285824282112E-9 1.847788237527681E-11
i -2.062229174306807E-15 7.802249898347036E-15 -7.913579045821266E-12 -1.945886241967872E-11 1.847788237527681E-11 4.412198379686424E-11

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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