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JPL Small-Body Database Browser
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74817 (1999 TZ8)
Classification: Main-belt Asteroid          SPK-ID: 2074817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129479711106394 3.231e-08  
a 2.344333194318082 1.0361e-08 au
q 2.040789609580647 7.9379e-08 au
i 4.632007267028582 4.4352e-06 deg
node 342.5283441301819 4.1977e-05 deg
peri 273.9196237396468 4.5534e-05 deg
M 251.8889116047755 1.8214e-05 deg
tp 2458994.226975836112
(2020-May-24.72697584)
6.7202e-05 TDB
period 1311.07468627854
3.59
8.6918e-06
2.38e-08
d
yr
n .2745838995807729 1.8204e-09 deg/d
Q 2.647876779055517 1.1703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      10168 days (27.84 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:46:34  

Additional Information
 Earth MOID = 1.03203 au 
 Jupiter MOID = 2.4156 au 
 T_jup = 3.546 
[ 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 16.1   n/a MPO432301  

74817 (1999 TZ8)          Discovered 1999-Oct-06 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TZ8 = 1991 GY12 = 1998 FV41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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