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118066 (4317 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118066
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340661594148737 4.3896e-08  
a 2.362001713703229 7.1923e-09 au
q 1.809137044045364 1.0663e-07 au
i 3.070474581071856 4.4288e-06 deg
node 141.3507361034122 5.9219e-05 deg
peri 202.1865861156842 5.9809e-05 deg
M 324.0923777744014 6.4568e-06 deg
tp 2459132.752194181918
(2020-Oct-10.25219418)
2.3752e-05 TDB
period 1325.924329000789
3.63
6.0562e-06
1.658e-08
d
yr
n .2715087068892495 1.2401e-09 deg/d
Q 2.914866383361094 8.8758e-09 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      17213 days (47.13 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:44:57  

Additional Information
 Earth MOID = .801752 au 
 Jupiter MOID = 2.49629 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457462.5 (2016-Mar-15.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2338468225226878 4.3901e-08  
q 1.809032307090434 1.0655e-07 au
tp 2457808.395811573169
(2017-Feb-23.89581157)
2.4866e-05 TDB
node 141.3773672320694 5.9252e-05 deg
peri 202.4099711477582 5.9844e-05 deg
i 3.069876160567989 4.4281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      17213 days (47.13 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:44:57  

Additional Information
 Jupiter MOID = 2.49629 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.927254023156419E-15 -4.672819673743129E-15 1.031215528560184E-13 2.04039390566389E-14 5.72289356310418E-14 -2.366876900764369E-15
q -4.672819673743129E-15 1.135220752952683E-14 -2.846735868808619E-13 -5.073576600170837E-14 -1.500554917428763E-13 5.790848748147019E-15
tp 1.031215528560184E-13 -2.846735868808619E-13 6.183221416786543E-10 1.728433258439724E-12 2.157735275158591E-10 -3.059062261910862E-13
node 2.04039390566389E-14 -5.073576600170837E-14 1.728433258439724E-12 3.510804678921633E-9 -3.504037563723987E-9 6.904585113969554E-11
peri 5.72289356310418E-14 -1.500554917428763E-13 2.157735275158591E-10 -3.504037563723987E-9 3.581339995139054E-9 -6.910802333392482E-11
i -2.366876900764369E-15 5.790848748147019E-15 -3.059062261910862E-13 6.904585113969554E-11 -6.910802333392482E-11 1.96077895766139E-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 16.1   n/a MPO432684  
rotation period rot_per 8.660 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

118066 (4317 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 4317 T-2 = 2002 PK60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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