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100259 (1994 TX4)
Classification: Main-belt Asteroid          SPK-ID: 2100259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352690525826224 5.2444e-08  
a 2.598905579233747 1.8321e-08 au
q 2.247354083779106 1.4022e-07 au
i 5.202038713211567 5.6622e-06 deg
node 21.13824076249316 5.4639e-05 deg
peri 174.2336987172868 5.9508e-05 deg
M 266.9901763535294 2.9462e-05 deg
tp 2459595.876178285411
(2022-Jan-16.37617829)
0.00012828 TDB
period 1530.326782725266
4.19
1.6182e-05
4.43e-08
d
yr
n .2352438734417873 2.4876e-09 deg/d
Q 2.950457074688387 2.08e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      11051 days (30.26 yr)  
   first obs. used      1990-10-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:21  

Additional Information
 Earth MOID = 1.2454 au 
 Jupiter MOID = 2.00383 au 
 T_jup = 3.397 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO400916  
diameter diameter 3.762 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100259 (1994 TX4)          Discovered 1994-Oct-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2018-Nov-21 13:09 < 00:01 Amphi 0.0372549995285024 0.0372494346587268 0.0372605644022034 3.46147190380041 3.46147185922168 2458444.047628418 0.706236288850591 277.965877234308 74.2388317489736 -4.15356884625861 20709.0611071138 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 15:31:23 2021-Apr-13 15:31
2075-Feb-04 12:36 < 00:01 Thisb 0.0215657087684167 0.0215536837260231 0.0215777389009695 5.18201107831501 5.18201101730337 2478973.025009205 0.540248030816043 798.232996240369 79.955694728148 41.5687328078396 26932.6778726035 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 15:31:23 2021-Apr-13 15:31

Alternate Designations
 1994 TX4 = 2001 HS53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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