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46401 (2002 CY240)
Classification: Main-belt Asteroid          SPK-ID: 2046401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08285454739079021 6.2993e-08  
a 2.87915307824574 1.852e-08 au
q 2.640602153078889 1.7727e-07 au
i 1.33824746298107 5.6892e-06 deg
node 208.3568788753227 0.0001799 deg
peri 164.9393559547417 0.00018197 deg
M 57.66852766615153 2.5123e-05 deg
tp 2458714.654128751099
(2019-Aug-19.15412875)
0.00012494 TDB
period 1784.413748957286
4.89
1.7217e-05
4.714e-08
d
yr
n .2017469324086773 1.9466e-09 deg/d
Q 3.117704003412591 2.0054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      8591 days (23.52 yr)  
   first obs. used      1997-04-09  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:47:25  

Additional Information
 Earth MOID = 1.6409 au 
 Jupiter MOID = 2.31637 au 
 T_jup = 3.289 
[ 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 15.2   n/a MPO502465  

46401 (2002 CY240)          Discovered 2002-Feb-11 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 CY240 = 1998 MS49 = 1999 RX140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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