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46418 (2002 JS12)
Classification: Main-belt Asteroid          SPK-ID: 2046418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078219877758607 3.3038e-08  
a 2.243293419657629 6.901e-09 au
q 1.777087722019872 7.231e-08 au
i 7.392147112419205 3.8193e-06 deg
node 87.74455770755044 2.9625e-05 deg
peri 195.3110259318572 3.1133e-05 deg
M 346.4371185690715 9.3668e-06 deg
tp 2458646.735655037043
(2019-Jun-12.23565504)
3.1962e-05 TDB
period 1227.23448539326
3.36
5.6629e-06
1.55e-08
d
yr
n .2933424738994684 1.3536e-09 deg/d
Q 2.709499117295386 8.3351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      7910 days (21.66 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51904  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:05  

Additional Information
 Earth MOID = .76127 au 
 Jupiter MOID = 2.43911 au 
 T_jup = 3.593 
[ 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 15.1   n/a MPO337629  
diameter diameter 3.133 km 0.672 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.185   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46418 (2002 JS12)          Discovered 2002-May-06 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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