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22742 (1998 TX5)
Classification: Main-belt Asteroid          SPK-ID: 2022742
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271637264134132 1.7818e-08  
a 2.787261323190759 1.0021e-08 au
q 2.432822786845842 5.2188e-08 au
i 1.896697475508201 3.2313e-07 deg
node 268.6353334957311 2.4291e-05 deg
peri 27.84084579654668 2.4988e-05 deg
M 355.0326379820689 6.3327e-06 deg
tp 2459223.952452822900
(2021-Jan-09.45245282)
2.9893e-05 TDB
period 1699.671372001254
4.65
9.1658e-06
2.509e-08
d
yr
n .2118056501570202 1.1422e-09 deg/d
Q 3.141699859535676 1.1295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2368  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:11:10  

Additional Information
 Earth MOID = 1.41512 au 
 Jupiter MOID = 2.04035 au 
 T_jup = 3.318 
[ 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 13.4   n/a MPO445425  
diameter diameter 5.658 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.62 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.220   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22742 (1998 TX5)          Discovered 1998-Oct-15 by Korlevic, K. at Visnjan
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TX5 = 1993 RY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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