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74891 (1999 TZ116)
Classification: Main-belt Asteroid          SPK-ID: 2074891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422190232269935 1.0321e-07  
a 2.574154729999106 2.5402e-08 au
q 1.950645485663577 2.7729e-07 au
i 4.50429922310479 9.2448e-06 deg
node 13.60986422176166 9.3366e-05 deg
peri 320.452341613666 9.495e-05 deg
M 23.12242299634853 2.9803e-05 deg
tp 2458903.609490315147
(2020-Feb-24.10949031)
0.00012357 TDB
period 1508.517662359841
4.13
2.2329e-05
6.113e-08
d
yr
n .2386448690543245 3.5325e-09 deg/d
Q 3.197663974334635 3.1555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1995-10-19  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64516  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:31:10  

Additional Information
 Earth MOID = .943435 au 
 Jupiter MOID = 2.19237 au 
 T_jup = 3.382 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436307  

74891 (1999 TZ116)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TZ116 = 1995 UY69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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