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100230 (1994 PN18)
Classification: Main-belt Asteroid          SPK-ID: 2100230
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021746036568995 6.7559e-08  
a 3.090704656950146 1.9141e-08 au
q 2.465842667910717 2.078e-07 au
i 1.154680605494467 5.0659e-06 deg
node 300.68154108 0.00032377 deg
peri 75.77040588478705 0.00032406 deg
M 242.3106152630005 1.2758e-05 deg
tp 2459649.312903258810
(2022-Mar-10.81290326)
7.3374e-05 TDB
period 1984.653464670041
5.43
1.8436e-05
5.048e-08
d
yr
n .1813918683581629 1.685e-09 deg/d
Q 3.715566645989576 2.301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:37:51  

Additional Information
 Earth MOID = 1.46768 au 
 Jupiter MOID = 1.75696 au 
 T_jup = 3.193 
[ 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 15.4   n/a MPO436466  
diameter diameter 4.233 km 1.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100230 (1994 PN18)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1994 PN18 = 2000 UR47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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