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22941 (1999 TG194)
Classification: Main-belt Asteroid          SPK-ID: 2022941
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 .2413193927321629 4.3121e-08  
a 2.388572612884353 9.718e-09 au
q 1.812163720446426 1.0553e-07 au
i 7.699115339766338 4.5144e-06 deg
node 339.0427268117572 2.9184e-05 deg
peri 331.5101043790384 3.0033e-05 deg
M 323.7172553568721 8.2915e-06 deg
tp 2459336.395079169474
(2021-May-01.89507917)
3.1454e-05 TDB
period 1348.360742336417
3.69
8.2288e-06
2.253e-08
d
yr
n .266990864311429 1.6294e-09 deg/d
Q 2.964981505322281 1.2063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      9571 days (26.20 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:58  

Additional Information
 Earth MOID = .800501 au 
 Jupiter MOID = 2.3396 au 
 T_jup = 3.482 
[ 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 15.1   n/a MPO324521  
diameter diameter 2.650 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.039 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.191   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22941 (1999 TG194)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TG194 = 1998 FK109 = 1999 XA116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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