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172743 (2004 CO74)
Classification: Main-belt Asteroid          SPK-ID: 2172743
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136067597556284 4.254e-08  
a 2.71130836069489 1.6888e-08 au
q 2.403285403137999 1.2211e-07 au
i 4.327567422752704 5.597e-06 deg
node 330.9305397326567 5.8502e-05 deg
peri 141.2053750093729 6.3981e-05 deg
M 263.9525175536409 2.6109e-05 deg
tp 2459435.561128307784
(2021-Aug-09.06112831)		 0.00011966 TDB
period 1630.672686067258
4.46		 1.5236e-05
4.171e-08		 d
yr
n .2207677868623793 2.0627e-09 deg/d
Q 3.019331318251782 1.8807e-08 au
   Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      9387 days (25.70 yr)  
   first obs. used      1995-03-07  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:25:36  

Additional Information
 Earth MOID = 1.42162 au 
 Jupiter MOID = 2.06978 au 
 T_jup = 3.349 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457563.5 (2016-Jun-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111311049276866 4.224e-08  
q 2.411073653804357 1.2106e-07 au
tp 2457800.696411020501
(2017-Feb-16.19641102)		 0.00011887 TDB
node 331.1485262728144 5.8482e-05 deg
peri 140.4117126433165 6.429e-05 deg
i 4.326367686721127 5.6002e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      9387 days (25.70 yr)  
   first obs. used      1995-03-07  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:25:36  

Additional Information
 Jupiter MOID = 2.06978 au 
 T_jup = 3.349 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.784247396633048E-15 -5.080247505038606E-15 8.982487593311828E-13 -2.319369702252112E-15 2.667725022820041E-13 -2.556950916758437E-16
q -5.080247505038606E-15 1.465632920662152E-14 -2.003338399971229E-12 8.490752081357457E-15 -6.466113920269485E-13 1.436824711124143E-15
tp 8.982487593311828E-13 -2.003338399971229E-12 1.413045964326892E-8 -1.233527807685346E-12 3.188080991766315E-9 7.287283067852186E-12
node -2.319369702252112E-15 8.490752081357457E-15 -1.233527807685346E-12 3.420196906614459E-9 -3.410498945550398E-9 1.134618315980568E-10
peri 2.667725022820041E-13 -6.466113920269485E-13 3.188080991766315E-9 -3.410498945550398E-9 4.133141914131914E-9 -1.115600829914113E-10
i -2.556950916758437E-16 1.436824711124143E-15 7.287283067852186E-12 1.134618315980568E-10 -1.115600829914113E-10 3.136186069992535E-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 15.9   n/a MPO449896  

172743 (2004 CO74)          Discovered 2004-Feb-11 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 CO74 = 2004 BM161 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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