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333358 (2001 WN1)
Classification: Amor [NEO]          SPK-ID: 2333358
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 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .302944018656891 3.5482e-08  
a 1.501817332287588 7.9103e-09 au
q 1.046850754355815 5.417e-08 au
i 14.07349148395976 1.0663e-05 deg
node 243.6720299811291 1.7884e-05 deg
peri 127.3444107123592 3.4848e-05 deg
M 57.1083805958651 1.3825e-05 deg
tp 2458893.859680020110
(2020-Feb-14.35968002)
2.5522e-05 TDB
period 672.2396046288893
1.84
5.3112e-06
1.454e-08
d
yr
n .5355233424527828 4.231e-09 deg/d
Q 1.956783910219361 1.0307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      4065 days (11.13 yr)  
   first obs. used      2001-11-12  
   last obs. used      2012-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44131  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:23:28  

Additional Information
 Earth MOID = .128241 au 
 Jupiter MOID = 3.56772 au 
 T_jup = 4.458 
[ 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 19.5   n/a MPO251925  
rotation period rot_per 3.21 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Hicks, M.; Dombroski, D. (2012) Astronomer's Telegram 4623. http://www.astronomerstelegram.org]

333358 (2001 WN1)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20120802/Numbers.arcLast Updated: 2012-08-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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