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190645 (2000 XC18)
Classification: Main-belt Asteroid          SPK-ID: 2190645
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937685889212738 6.3244e-08  
a 2.635559727341524 1.6636e-08 au
q 2.12487103795682 1.6351e-07 au
i 10.56140218486971 5.945e-06 deg
node 322.1224352320176 3.5101e-05 deg
peri 74.89975333849542 3.848e-05 deg
M 266.8969771612699 1.4762e-05 deg
tp 2459604.674585763912
(2022-Jan-25.17458576)
6.5498e-05 TDB
period 1562.815539588264
4.28
1.4797e-05
4.051e-08
d
yr
n .23035348118873 2.181e-09 deg/d
Q 3.146248416726228 1.9859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:32  

Additional Information
 Earth MOID = 1.15876 au 
 Jupiter MOID = 2.42081 au 
 T_jup = 3.347 
[ 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 16.1   n/a MPO470055  
diameter diameter 3.868 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190645 (2000 XC18)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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