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JPL Small-Body Database Browser
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146197 (2000 TT61)
Classification: Main-belt Asteroid          SPK-ID: 2146197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08118259828791624 4.8144e-08  
a 3.101398175699866 2.9208e-08 au
q 2.849618613471148 1.5146e-07 au
i 11.19990446480426 5.7072e-06 deg
node 119.842560883982 3.0528e-05 deg
peri 291.455369131946 5.2496e-05 deg
M 185.6987815413328 4.0771e-05 deg
tp 2459966.401053637385
(2023-Jan-21.90105364)
0.00022758 TDB
period 1994.962412680527
5.46
2.8182e-05
7.716e-08
d
yr
n .1804545277202926 2.5492e-09 deg/d
Q 3.353177737928585 3.1579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1998-04-18  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:11:05  

Additional Information
 Earth MOID = 1.88532 au 
 Jupiter MOID = 1.94489 au 
 T_jup = 3.187 
[ 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 MPO475267  

146197 (2000 TT61)          Discovered 2000-Oct-02 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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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
1961-Feb-24 01:14 00:02 Jupiter 1.96205500580463 1.96205445939042 1.9620555522193 4.06207318399171 3.95436911746125 2437354.551675366 2.26735109120477 155.654231533599 23.8797623702634 -86.682863345918 2812706.68791461 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 07:11:08 2019-Jul-13 07:11
2032-Mar-21 19:45 < 00:01 Jupiter 1.96536934172793 1.9653688363912 1.96536984706466 4.0231528230982 3.91456398835615 2463313.322662303 0.861632124660633 92.3270073334073 22.6522484473168 -89.2695318411651 2928772.51732381 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 07:11:08 2019-Jul-13 07:11
2103-Apr-18 23:02 00:04 Jupiter 1.97317269113393 1.97317193562366 1.97317344664946 3.9926550968526 3.88365241309724 2489272.460045482 3.88659053955887 227.452805575536 24.6605501415572 -82.279335815231 2856196.08811765 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 07:11:08 2019-Jul-13 07:11
2174-May-16 04:16 00:07 Jupiter 1.97721939599754 1.97721812650253 1.97722066551401 3.95934041243821 3.84962270690786 2515232.678072027 6.9321051086218 367.510034945861 25.4116131929208 -79.9828713242381 2884703.25322327 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 07:11:08 2019-Jul-13 07:11

Alternate Designations
 2000 TT61 = 1998 HQ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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