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173445 (2000 NC18)
Classification: Main-belt Asteroid          SPK-ID: 2173445
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224152441963246 5.1827e-08  
a 3.120398259312876 2.2447e-08 au
q 2.420953369590033 1.613e-07 au
i 7.513092027525895 5.8755e-06 deg
node 348.60096761 3.4185e-05 deg
peri 15.47895410501284 3.5648e-05 deg
M 213.3459012806879 1.1462e-05 deg
tp 2460020.672440095407
(2023-Mar-17.17244010)
6.9744e-05 TDB
period 2013.323057540055
5.51
2.1724e-05
5.948e-08
d
yr
n .1788088596371911 1.9294e-09 deg/d
Q 3.819843149035719 2.7478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-07-05  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56109  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:57:03  

Additional Information
 Earth MOID = 1.41803 au 
 Jupiter MOID = 1.65226 au 
 T_jup = 3.164 
[ 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 15.04   n/a E2021B55  

173445 (2000 NC18)          Discovered 2000-Jul-05 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2000 NC18 = 2001 XT14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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