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100261 (1994 TR6)
Classification: Main-belt Asteroid          SPK-ID: 2100261
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .233906699689777 4.0971e-08  
a 2.605051666049969 9.7332e-09 au
q 1.995712628322865 1.0751e-07 au
i 3.572767342354094 4.6535e-06 deg
node 172.8504487693497 5.169e-05 deg
peri 154.7364479803241 5.2442e-05 deg
M 111.5308414363632 7.0012e-06 deg
tp 2458724.709883299700
(2019-Aug-29.20988330)
2.9868e-05 TDB
period 1535.758538232124
4.20
8.607e-06
2.356e-08
d
yr
n .2344118499346982 1.3137e-09 deg/d
Q 3.214390703777072 1.201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1994-09-28  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:22  

Additional Information
 Earth MOID = .983167 au 
 Jupiter MOID = 2.15144 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457391.5 (2016-Jan-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352973110719458 4.0915e-08  
q 1.991000992259297 1.075e-07 au
tp 2457190.753560665622
(2015-Jun-17.25356067)
3.1277e-05 TDB
node 172.9101412456136 5.164e-05 deg
peri 154.8450762144596 5.2383e-05 deg
i 3.574957674332335 4.6579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1994-09-28  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:22  

Additional Information
 Jupiter MOID = 2.15144 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.674024099000127E-15 -4.387620449756531E-15 2.884914805081701E-13 -2.261418044670033E-15 5.772758398410925E-14 -1.974276281523437E-15
q -4.387620449756531E-15 1.155567930977157E-14 -8.309124715347772E-13 5.120630238896415E-15 -1.686040692994772E-13 5.249599749035132E-15
tp 2.884914805081701E-13 -8.309124715347772E-13 9.782357036612881E-10 2.68408832802541E-13 2.814025614360076E-10 -6.675203592560584E-13
node -2.261418044670033E-15 5.120630238896415E-15 2.68408832802541E-13 2.666689882018412E-9 -2.660547235259177E-9 -1.340396587857751E-11
peri 5.772758398410925E-14 -1.686040692994772E-13 2.814025614360076E-10 -2.660547235259177E-9 2.74401282610205E-9 1.323542265723878E-11
i -1.974276281523437E-15 5.249599749035132E-15 -6.675203592560584E-13 -1.340396587857751E-11 1.323542265723878E-11 2.169584694541741E-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 15.89   n/a MPCxxxxx  

100261 (1994 TR6)          Discovered 1994-Oct-04 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
1911-Nov-15 10:29 00:01 Inter 0.0453883194730991 0.0453700698007674 0.0454065691619577 5.45063534994508 5.45063529077155 2419355.936923354 1.22584702352242 910.642760304263 35.7553041202869 2.72335679041402 11690.8669730718 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:31:23 2021-Apr-13 15:31

Alternate Designations
 1994 TR6 = 1998 OC9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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