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266127 (2006 TR21)
Classification: Main-belt Asteroid          SPK-ID: 2266127
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407041124964374 6.7852e-08  
a 2.342368932815694 1.7482e-08 au
q 2.012787990984635 1.6721e-07 au
i 1.891531475060154 8.9641e-06 deg
node 193.993845908361 0.00017169 deg
peri 244.5132122813611 0.00017676 deg
M 255.4623755093356 4.7178e-05 deg
tp 2459380.734484830179
(2021-Jun-15.23448483)
0.0001747 TDB
period 1309.42725364004
3.59
1.4659e-05
4.013e-08
d
yr
n .2749293624363218 3.0778e-09 deg/d
Q 2.671949874646753 1.9941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      8625 days (23.61 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68413  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:27:34  

Additional Information
 Earth MOID = 1.02913 au 
 Jupiter MOID = 2.55291 au 
 T_jup = 3.549 
[ 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 17.8   n/a MPO191317  

266127 (2006 TR21)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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
1931-Feb-12 06:18 00:02 Juno 0.0290573089213234 0.0290326457495982 0.0290819722973218 4.30248766678359 4.30248756947057 2426384.762555787 2.16224142221878 1234.74512204292 71.9682826339036 5.64135088409618 6886.80605620891 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:27:35 2020-Nov-11 22:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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