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101478 (1998 WN27)
Classification: Main-belt Asteroid          SPK-ID: 2101478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126606066861162 4.6e-08  
a 2.654515943080124 1.3798e-08 au
q 2.318438120106501 1.2777e-07 au
i 2.220043357019112 3.888e-06 deg
node 236.1269317469357 0.0001141 deg
peri 106.6276364954721 0.0001158 deg
M 87.18163165603657 1.6653e-05 deg
tp 2458817.940557358197
(2019-Nov-30.44055736)
7.3651e-05 TDB
period 1579.706604877624
4.33
1.2317e-05
3.372e-08
d
yr
n .2278904189476934 1.7768e-09 deg/d
Q 2.990593766053747 1.5545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1998-10-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:58  

Additional Information
 Earth MOID = 1.30982 au 
 Jupiter MOID = 2.39302 au 
 T_jup = 3.376 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO506268  

101478 (1998 WN27)          Discovered 1998-Nov-18 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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