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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352690529981662 5.2444e-08  
a 2.598905581031354 1.8321e-08 au
q 2.247354084253594 1.4022e-07 au
i 5.202038738206093 5.6622e-06 deg
node 21.13824091981925 5.4639e-05 deg
peri 174.2336991771107 5.9508e-05 deg
M 266.9901751290298 2.9462e-05 deg
tp 2459595.876183900855
(2022-Jan-16.37618390)
0.00012828 TDB
period 1530.326784313008
4.19
1.6182e-05
4.43e-08
d
yr
n .2352438731977175 2.4876e-09 deg/d
Q 2.950457077809114 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:51  

Additional Information
 Earth MOID = 1.2454 au 
 Jupiter MOID = 2.00383 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456915.5 (2014-Sep-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349237208811337 5.2513e-08  
q 2.248425619085821 1.403e-07 au
tp 2456537.169623600326
(2013-Sep-01.66962360)
0.00010726 TDB
node 21.17099165568237 5.4594e-05 deg
peri 174.5726392295395 5.9488e-05 deg
i 5.20468225241373 5.6641e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:51  

Additional Information
 Jupiter MOID = 2.00383 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.757608040430426E-15 -7.321950436897799E-15 -1.901196094860423E-12 1.75353712504506E-15 -3.953723726150973E-13 -1.781940943949978E-15
q -7.321950436897799E-15 1.968326162413021E-14 5.912171526415255E-12 -8.952211722626345E-15 1.250922495626273E-12 5.780522619734553E-15
tp -1.901196094860423E-12 5.912171526415255E-12 1.150555783619977E-8 3.764061762697855E-12 2.557476798062853E-9 6.395948086455088E-12
node 1.75353712504506E-15 -8.952211722626345E-15 3.764061762697855E-12 2.980558248288964E-9 -2.967684820833612E-9 -6.146530862700584E-11
peri -3.953723726150973E-13 1.250922495626273E-12 2.557476798062853E-9 -2.967684820833612E-9 3.538849735052214E-9 6.267289831392284E-11
i -1.781940943949978E-15 5.780522619734553E-15 6.395948086455088E-12 -6.146530862700584E-11 6.267289831392284E-11 3.208193596443801E-11

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

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