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JPL Small-Body Database Browser
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172739 (2004 CT23)
Classification: Main-belt Asteroid          SPK-ID: 2172739
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .065771401035017 5.3752e-08  
a 2.787466528726125 2.9268e-08 au
q 2.604130949793593 1.5918e-07 au
i 6.131551822977731 6.351e-06 deg
node 96.35460624572086 5.895e-05 deg
peri 229.7214274662019 7.9237e-05 deg
M 345.5811123069489 5.4702e-05 deg
tp 2459068.583547565999
(2020-Aug-07.08354757)
0.0002586 TDB
period 1699.85907689481
4.65
2.6772e-05
7.33e-08
d
yr
n .2117822617729136 3.3355e-09 deg/d
Q 2.970802107658658 3.1192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6032 days (16.51 yr)  
   first obs. used      2002-11-21  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:53:21  

Additional Information
 Earth MOID = 1.59673 au 
 Jupiter MOID = 2.24386 au 
 T_jup = 3.319 
[ 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 15.8   n/a MPO436858  

172739 (2004 CT23)          Discovered 2004-Feb-12 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2108-Nov-15 07:00 00:11 Amphi 0.0471438703815943 0.0470996890849699 0.0471880556454965 3.20027099840328 3.20027096030012 2491309.791761815 10.6928304726937 2304.44286881337 49.1455372299205 17.2010325028265 42502.811461683 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:36 2020-Feb-24 16:53

Alternate Designations
 2004 CT23 = 2005 GC144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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