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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2337820507569926 4.3678e-08  
a 2.36119365005854 7.1051e-09 au
q 1.809188956313466 1.0597e-07 au
i 3.070911159794532 4.3963e-06 deg
node 141.3500675384682 5.9097e-05 deg
peri 202.1855843630322 5.9688e-05 deg
M 18.40295874003654 6.4235e-06 deg
tp 2459132.754416393860
(2020-Oct-10.25441639)
2.366e-05 TDB
period 1325.243969881434
3.63
5.9817e-06
1.638e-08
d
yr
n .2716480951293883 1.2261e-09 deg/d
Q 2.913198343803614 8.7661e-09 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      17271 days (47.29 yr)  
   first obs. used      1973-09-29  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:18:46  

Additional Information
 Earth MOID = .799977 au 
 Jupiter MOID = 2.4984 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457518.5 (2016-May-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2338791579630045 4.3645e-08  
q 1.808894081239426 1.059e-07 au
tp 2457808.401322038037
(2017-Feb-23.90132204)
2.4803e-05 TDB
node 141.3774117254852 5.9141e-05 deg
peri 202.4187067253297 5.9733e-05 deg
i 3.069876793002227 4.3949e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      17271 days (47.29 yr)  
   first obs. used      1973-09-29  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:18:46  

Additional Information
 Jupiter MOID = 2.4984 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.904927272835995E-15 -4.617662189346358E-15 1.105732198418961E-13 2.059514441552118E-14 5.797009379328041E-14 -2.429447464981567E-15
q -4.617662189346358E-15 1.121585679276503E-14 -3.028935663562108E-13 -5.1179782620187E-14 -1.517870965168584E-13 5.943364600020953E-15
tp 1.105732198418961E-13 -3.028935663562108E-13 6.151814756941881E-10 1.881779725995506E-12 2.151184663073966E-10 -3.15333502571125E-13
node 2.059514441552118E-14 -5.1179782620187E-14 1.881779725995506E-12 3.497602537978351E-9 -3.490809523173451E-9 7.091423776416712E-11
peri 5.797009379328041E-14 -1.517870965168584E-13 2.151184663073966E-10 -3.490809523173451E-9 3.567982739536407E-9 -7.097871928504811E-11
i -2.429447464981567E-15 5.943364600020953E-15 -3.15333502571125E-13 7.091423776416712E-11 -7.097871928504811E-11 1.931497409149276E-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 16.22   n/a E2021B55  
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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