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146710 (2001 WA13)
Classification: Main-belt Asteroid          SPK-ID: 2146710
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07921840623498422 4.4857e-08  
a 2.758298329693361 1.5676e-08 au
q 2.539790332094433 1.2576e-07 au
i 6.420643076269569 3.9259e-06 deg
node 107.4143973988625 5.0004e-05 deg
peri 300.7113256480216 6.0344e-05 deg
M 74.50391310833849 3.2152e-05 deg
tp 2458854.212460795356
(2020-Jan-05.71246080)
0.00014967 TDB
period 1673.247872664014
4.58
1.4264e-05
3.905e-08
d
yr
n .2151504304181999 1.8341e-09 deg/d
Q 2.976806327292288 1.6918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:43:05  

Additional Information
 Earth MOID = 1.5567 au 
 Jupiter MOID = 2.30879 au 
 T_jup = 3.329 
[ 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 15.7   n/a MPO502888  

146710 (2001 WA13)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
1944-Nov-29 23:14 00:12 Cybel 0.0414458151161237 0.0414307215776399 0.0414609088319382 2.41409106855634 2.41409100775941 2431424.468347256 11.8244805631992 763.945906373252 49.9895864164048 -10.2638959908487 23465.5181605466 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 19:43:06 2021-Feb-24 19:43
2076-Jul-12 08:58 00:18 Europ 0.0434912936998761 0.0434880833221512 0.0434945093839631 1.22337132745162 1.22337112769043 2479496.873507936 17.5284140506402 807.865082392344 49.6432382084584 -79.0951808868349 127804.371143149 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 19:43:06 2021-Feb-24 19:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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