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146622 (2001 TX231)
Classification: Main-belt Asteroid          SPK-ID: 2146622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09375967262318582 4.9874e-08  
a 2.856895197369341 1.7932e-08 au
q 2.58903363894524 1.5043e-07 au
i 1.615024167585082 4.1863e-06 deg
node 266.3789463771527 0.00024071 deg
peri 153.9526420372545 0.00024359 deg
M 280.6267658661492 3.6963e-05 deg
tp 2459389.376291042595
(2021-Jun-23.87629104)
0.00018223 TDB
period 1763.761629509179
4.83
1.6606e-05
4.546e-08
d
yr
n .2041092140666316 1.9217e-09 deg/d
Q 3.124756755793442 1.9613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6965 days (19.07 yr)  
   first obs. used      2001-10-11  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:54:57  

Additional Information
 Earth MOID = 1.60176 au 
 Jupiter MOID = 2.14655 au 
 T_jup = 3.296 
[ 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 MPO412893  

146622 (2001 TX231)          Discovered 2001-Oct-15 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
2107-Jan-07 00:33 00:02 Hygie 0.0460041761677897 0.0459811064518552 0.0460272544453995 3.65230593577938 3.65230570582693 2490631.522756850 2.30417193352298 1516.96325108056 87.7644488812671 40.8663371990629 51310.408859335 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 04:54:58 2020-Dec-18 04:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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