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66180 (1998 WD14)
Classification: Main-belt Asteroid          SPK-ID: 2066180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07610356500389448 3.9614e-08  
a 2.770844191212392 1.6297e-08 au
q 2.559973070190797 1.0718e-07 au
i 3.173741644878382 4.8423e-06 deg
node 241.8921695680215 8.8067e-05 deg
peri 198.4123474456975 9.505e-05 deg
M 223.8201086679371 3.633e-05 deg
tp 2459637.775272768602
(2022-Feb-27.27527277)
0.0001714 TDB
period 1684.67676066269
4.61
1.4863e-05
4.069e-08
d
yr
n .2136908446807262 1.8852e-09 deg/d
Q 2.981715312233988 1.7537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      8328 days (22.80 yr)  
   first obs. used      1997-07-02  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:57:34  

Additional Information
 Earth MOID = 1.57584 au 
 Jupiter MOID = 2.19496 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456578.5 (2013-Oct-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07872306753991486 4.0114e-08  
q 2.549156480776486 1.0941e-07 au
tp 2456265.921502812757
(2012-Dec-04.42150281)
0.00015776 TDB
node 241.974411465317 8.7861e-05 deg
peri 197.0244502117476 9.4329e-05 deg
i 3.178516156751741 4.8531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      8328 days (22.80 yr)  
   first obs. used      1997-07-02  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:57:34  

Additional Information
 Jupiter MOID = 2.19496 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.609109819625958E-15 -4.351968525124429E-15 -1.054528786725615E-12 8.341040444702983E-15 -2.465168052599122E-13 -3.911585142667372E-16
q -4.351968525124429E-15 1.197124076502888E-14 3.263721088410371E-12 -2.289600459762543E-14 7.625484265022584E-13 1.160917134848686E-15
tp -1.054528786725615E-12 3.263721088410371E-12 2.488696688721615E-8 1.487206440674971E-11 5.443378445200758E-9 8.273263592630906E-13
node 8.341040444702983E-15 -2.289600459762543E-14 1.487206440674971E-11 7.719475260573748E-9 -7.704220970922009E-9 -9.808739612375532E-11
peri -2.465168052599122E-13 7.625484265022584E-13 5.443378445200758E-9 -7.704220970922009E-9 8.897925892168435E-9 9.812733860482408E-11
i -3.911585142667372E-16 1.160917134848686E-15 8.273263592630906E-13 -9.808739612375532E-11 9.812733860482408E-11 2.355267758784914E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO253779  

66180 (1998 WD14)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WD14 = 2002 RO175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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