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160621 (1999 TK120)
Classification: Main-belt Asteroid          SPK-ID: 2160621
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128551799973917 8.3126e-08  
a 2.570456811945643 2.4639e-08 au
q 2.023321764563432 2.2396e-07 au
i 2.695952458341561 7.264e-06 deg
node 287.3111501748536 0.0001542 deg
peri 66.99064111023843 0.00015617 deg
M 17.36952098506523 3.4138e-05 deg
tp 2458927.872811080282
(2020-Mar-19.37281108)
0.00014179 TDB
period 1505.268224355723
4.12
2.1643e-05
5.926e-08
d
yr
n .239160034188648 3.4387e-09 deg/d
Q 3.117591859327855 2.9884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      1999-09-18  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56466  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:48:16  

Additional Information
 Earth MOID = 1.02023 au 
 Jupiter MOID = 2.33597 au 
 T_jup = 3.396 
[ 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 MPO439951  

160621 (1999 TK120)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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
2004-Dec-08 11:39 < 00:01 Europ 0.039356253888798 0.039355191065956 0.0393573167172091 4.72060975328774 4.72060969607934 2453347.985458343 0.658591062435725 81.5283499690171 49.076544153367 72.1625329680479 116265.827600993 T 9 CATAB v2.0e-lin.ifort 2018-May-07 05:48:20 2018-Dec-17 19:08
2068-Dec-10 10:09 00:03 Thisb 0.00674676508203567 0.00674112561229843 0.00675243230898683 2.39613092449469 2.39613050273151 2476725.922973964 2.64344223276478 751.540151710387 58.93688861372 68.4433529242935 15908.634242368 T 9 CATAB v2.0e-lin.ifort 2018-May-07 05:48:20 2018-Dec-17 19:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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