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JPL Small-Body Database Browser
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376879 (2001 WW1)
Classification: Amor [NEO]          SPK-ID: 2376879
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 2455547.5 (2010-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217782683632915 2.2186e-07  
a 1.21025162751883 2.1124e-09 au
q 1.062869280035732 2.68e-07 au
i 21.74072514323235 3.4461e-05 deg
node 59.84461601390989 8.3924e-06 deg
peri 45.6543773984683 0.00014108 deg
M 253.9627377618851 0.00010804 deg
tp 2455690.741198246555
(2011-May-09.24119825)
0.00014586 TDB
period 486.308588889842
1.33
1.2732e-06
3.486e-09
d
yr
n .7402707010004027 1.9381e-09 deg/d
Q 1.357633975001929 2.3696e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -5.801071479068062E-14 1.89E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5825 days (15.95 yr)  
   first obs. used      2001-11-18  
   last obs. used      2017-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51623  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-09 06:32:07  

Additional Information
 Earth MOID = .108947 au 
 Jupiter MOID = 3.79501 au 
 T_jup = 5.189 
[ 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 22.2   n/a MPO437549  

376879 (2001 WW1)          Discovered 2001-Nov-18 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

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