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22150 (2000 WM49)
Classification: Main-belt Asteroid          SPK-ID: 2022150
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150492402796404 3.0519e-08  
a 2.396998021823651 8.6034e-09 au
q 2.12122522046104 7.2413e-08 au
i 12.30273885754034 3.8973e-06 deg
node 126.8943316672783 1.8863e-05 deg
peri 336.4000686144745 2.8154e-05 deg
M 144.7019287025061 2.0474e-05 deg
tp 2458655.656518568078
(2019-Jun-21.15651857)
7.6668e-05 TDB
period 1355.501305851598
3.71
7.2978e-06
1.998e-08
d
yr
n .2655843992520752 1.4299e-09 deg/d
Q 2.672770823186263 9.5932e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   data-arc span      10025 days (27.45 yr)  
   first obs. used      1993-01-25  
   last obs. used      2020-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:38  

Additional Information
 Earth MOID = 1.1428 au 
 Jupiter MOID = 2.44012 au 
 T_jup = 3.488 
[ 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 14.58   n/a E2021B10  
diameter diameter 7.336 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.62126 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.069   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22150 (2000 WM49)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WM49 = 1998 KG8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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