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(2017 WW11)
Classification: Mars-crossing Asteroid          SPK-ID: 3789658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5055310169856028 2.8482e-07  
a 2.62993188595039 1.2677e-07 au
q 1.300419745043025 6.9291e-07 au
i 13.69686419231985 1.9143e-05 deg
node 137.0407899537786 3.8192e-05 deg
peri 328.05957348859 6.522e-05 deg
M 252.661819942978 1.3594e-05 deg
tp 2459664.979878048883
(2022-Mar-26.47987805)
7.8904e-05 TDB
period 1557.812476499679
4.27
0.00011264
3.084e-07
d
yr
n .2310932833256674 1.6709e-08 deg/d
Q 3.959444026857755 1.9086e-07 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      4871 days (13.34 yr)  
   first obs. used      2004-11-11  
   last obs. used      2018-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:07:31  

Additional Information
 Earth MOID = .33859 au 
 Jupiter MOID = 1.30886 au 
 T_jup = 3.170 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.8   n/a MPO438045  

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