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160493 Nantou (2007 CD13)
Classification: Main-belt Asteroid          SPK-ID: 2160493
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06669737985866317 4.412e-08  
a 2.775274210906862 1.5991e-08 au
q 2.590170692650055 1.2384e-07 au
i 5.811084086844298 4.8615e-06 deg
node 125.2075527558787 5.1685e-05 deg
peri 324.6987705169572 6.7266e-05 deg
M 359.0968731906957 4.198e-05 deg
tp 2459004.736463906103
(2020-Jun-04.23646391)
0.00019693 TDB
period 1688.718561429766
4.62
1.4595e-05
3.996e-08
d
yr
n .2131793942592798 1.8425e-09 deg/d
Q 2.960377729163668 1.7057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      9888 days (27.07 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:20:49  

Additional Information
 Earth MOID = 1.60938 au 
 Jupiter MOID = 2.15808 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06430316709262239 4.4064e-08  
q 2.596463045385415 1.233e-07 au
tp 2457316.099290735168
(2015-Oct-20.59929074)
0.00020383 TDB
node 125.316611865936 5.1641e-05 deg
peri 324.6580346065637 6.8404e-05 deg
i 5.813027737421668 4.8646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      9888 days (27.07 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:20:49  

Additional Information
 Jupiter MOID = 2.15808 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.94167646387721E-15 -5.392998036848035E-15 6.496766966963711E-13 -1.369904588661175E-15 2.030283632399494E-13 -1.240855855131377E-15
q -5.392998036848035E-15 1.5203762065762E-14 -1.574106711496319E-12 1.245691954140392E-15 -5.196448195351223E-13 3.687487745303457E-15
tp 6.496766966963711E-13 -1.574106711496319E-12 4.154810914825977E-8 -2.804954729879594E-11 9.173273158054384E-9 1.195119311369535E-11
node -1.369904588661175E-15 1.245691954140392E-15 -2.804954729879594E-11 2.666755028907791E-9 -2.658984750101512E-9 2.919729667534517E-11
peri 2.030283632399494E-13 -5.196448195351223E-13 9.173273158054384E-9 -2.658984750101512E-9 4.679049836473395E-9 -2.648053564862938E-11
i -1.240855855131377E-15 3.687487745303457E-15 1.195119311369535E-11 2.919729667534517E-11 -2.648053564862938E-11 2.366455710455926E-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 16.6   n/a MPO454062  

160493 Nantou           Discovered 2007 Feb. 6 by Q.-z. Ye and H.-C. Lin at Lulin.
Nantou County is located at the geographical center of Taiwan. It is famous for the beautiful landscape that includes 41 mountains with peaks above 3000 m. The Lulin Observatory is located in Nantou County.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

[ hide close-approach data ]
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
2069-Feb-01 21:33 00:05 Psych 0.0295334129106304 0.029513144848871 0.0295536851112102 2.31643640774192 2.31643623088618 2476779.397940971 5.39682941280538 1149.006302282 107.009796296762 28.8538681625173 20152.1076961739 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 13:20:52 2020-Feb-24 13:21
2149-Dec-16 00:56 00:08 David 0.00781774397355418 0.00781538878397511 0.00782051495742965 3.79350718130546 3.7935066719034 2506315.539033578 8.07596872689778 2964.72739805978 35.7390306682242 -87.6331073287053 32659.9003378839 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 13:20:52 2020-Feb-24 13:21

Alternate Designations
 2007 CD13 = 2000 RW106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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