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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238831877852367 5.1819e-08  
a 3.121082830215826 2.2471e-08 au
q 2.422324856845338 1.6132e-07 au
i 7.512245390112009 5.8748e-06 deg
node 348.5981251753062 3.4187e-05 deg
peri 15.47538735523672 3.5654e-05 deg
M 177.5923536185431 1.125e-05 deg
tp 2458006.976530128635
(2017-Sep-10.47653013)
5.7471e-05 TDB
period 2013.985635451064
5.51
2.175e-05
5.955e-08
d
yr
n .1787500335966261 1.9304e-09 deg/d
Q 3.819840803586314 2.7502e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:21:18  

Additional Information
 Earth MOID = 1.42098 au 
 Jupiter MOID = 1.6513 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222737149376039 5.1719e-08  
q 2.426493353823438 1.6077e-07 au
tp 2458007.775288409695
(2017-Sep-11.27528841)
5.7791e-05 TDB
node 348.6236182366592 3.4193e-05 deg
peri 15.72018628407039 3.5684e-05 deg
i 7.510160471004873 5.873e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:21:18  

Additional Information
 Jupiter MOID = 1.6513 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.674837132803558E-15 -8.266649877581212E-15 -9.750078698890524E-14 6.611032682084988E-16 -9.019573491434061E-14 -2.324533910394629E-15
q -8.266649877581212E-15 2.584755852429105E-14 7.342284273294215E-13 5.785641124549081E-16 3.186306933109041E-13 8.452516326537547E-15
tp -9.750078698890524E-14 7.342284273294215E-13 3.339831528080895E-9 -2.853986974275565E-12 5.928734065314443E-10 -1.238175248250222E-12
node 6.611032682084988E-16 5.785641124549081E-16 -2.853986974275565E-12 1.169182505849052E-9 -1.159050501576523E-9 1.199304602464137E-11
peri -9.019573491434061E-14 3.186306933109041E-13 5.928734065314443E-10 -1.159050501576523E-9 1.273347387732127E-9 -1.218298025469721E-11
i -2.324533910394629E-15 8.452516326537547E-15 -1.238175248250222E-12 1.199304602464137E-11 -1.218298025469721E-11 3.449222311443688E-11

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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