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101475 (1998 WF22)
Classification: Main-belt Asteroid          SPK-ID: 2101475
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723492664900541 4.8127e-08  
a 2.443284860745819 1.1479e-08 au
q 2.022186507170023 1.1746e-07 au
i 2.595281843288467 5.7749e-06 deg
node 176.7209494729859 9.3777e-05 deg
peri 233.6351012609217 9.5199e-05 deg
M 286.9465923610011 1.4351e-05 deg
tp 2459483.572422052363
(2021-Sep-26.07242205)
5.59e-05 TDB
period 1394.953024538299
3.82
9.8309e-06
2.692e-08
d
yr
n .2580732065290533 1.8188e-09 deg/d
Q 2.864383214321615 1.3458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      9055 days (24.79 yr)  
   first obs. used      1994-10-09  
   last obs. used      2019-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:57  

Additional Information
 Earth MOID = 1.03304 au 
 Jupiter MOID = 2.50621 au 
 T_jup = 3.478 
[ 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 16.1   n/a MPO233950  

101475 (1998 WF22)          Discovered 1998-Nov-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 WF22 = 2000 GZ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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