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100044 (1991 TX)
Classification: Main-belt Asteroid          SPK-ID: 2100044
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .282595402091356 7.1635e-08  
a 2.406223102904085 1.9275e-08 au
q 1.726235517617395 1.7918e-07 au
i 24.17735384779088 6.7975e-06 deg
node 76.6205326305969 1.4981e-05 deg
peri 285.0414375026618 1.9255e-05 deg
M 249.0657111642503 1.9726e-05 deg
tp 2459420.612465571276
(2021-Jul-25.11246557)		 7.8137e-05 TDB
period 1363.333998828688
3.73		 1.6381e-05
4.485e-08		 d
yr
n .2640585508094824 3.1728e-09 deg/d
Q 3.086210688190774 2.4721e-08 au
   Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      10494 days (28.73 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:08:24  

Additional Information
 Earth MOID = .87563 au 
 Jupiter MOID = 2.7301 au 
 T_jup = 3.353 
[ 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 15.1   n/a MPO436465  

100044 (1991 TX)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
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
1990-Jun-11 15:13 < 00:01 Hebe 0.0342296522860507 0.0342243439738013 0.0342349606075399 6.05428249210932 6.05428246211132 2448054.133786846 0.911815973076759 266.257579376274 79.8055110765084 -6.64439980002596 20488.7423490548 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:08:25 2020-Nov-12 20:08
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