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JPL Small-Body Database Browser
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388945 (2008 TZ3)
Classification: Apollo [NEO, PHA]          SPK-ID: 2388945
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 158 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3911212773990946 1.2755e-08  
a 1.590365587677498 3.6138e-09 au
q .9683397674935129 1.9426e-08 au
i 8.719697490621156 3.2716e-06 deg
node 44.07788090787887 4.3174e-06 deg
peri 219.7130531144643 6.6692e-06 deg
M 355.834023036702 1.5869e-06 deg
tp 2459008.977313517754
(2020-Jun-08.47731352)
3.2247e-06 TDB
period 732.5611479079004
2.01
2.4969e-06
6.836e-09
d
yr
n .4914265533029062 1.675e-09 deg/d
Q 2.212391407861482 5.0272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      4231 days (11.58 yr)  
   first obs. used      2008-10-06  
   last obs. used      2020-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .28279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-18 06:45:01  

Additional Information
 Earth MOID = .0164574 au 
 Jupiter MOID = 2.8931 au 
 T_jup = 4.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457853.5 (2017-Apr-10.0) TDB
Reference: JPL 158 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3902986034188023 1.2083e-08  
q .9693210681913635 1.952e-08 au
tp 2457545.478934491749
(2016-Jun-05.97893449)
4.3309e-06 TDB
node 44.19589291677079 4.3623e-06 deg
peri 219.4050755633338 6.8358e-06 deg
i 8.806855425025798 3.2152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1130  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      4231 days (11.58 yr)  
   first obs. used      2008-10-06  
   last obs. used      2020-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .28279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-18 06:45:01  

Additional Information
 Jupiter MOID = 2.8931 au 
 T_jup = 4.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.459947601901237E-16 -2.352660118273785E-16 3.682808214311451E-14 -3.153769447334686E-15 5.276112197930848E-14 5.24364449794392E-15
q -2.352660118273785E-16 3.810303952255941E-16 -6.262241219642043E-14 7.122116089410209E-15 -8.812689156831602E-14 -9.773317975035395E-15
tp 3.682808214311451E-14 -6.262241219642043E-14 1.875643349117686E-11 -3.360982949383259E-12 2.189213645481237E-11 2.269120599823814E-12
node -3.153769447334686E-15 7.122116089410209E-15 -3.360982949383259E-12 1.902981281721472E-11 -2.175996760033629E-11 -6.167100675131534E-12
peri 5.276112197930848E-14 -8.812689156831602E-14 2.189213645481237E-11 -2.175996760033629E-11 4.672758188450516E-11 8.388789557599966E-12
i 5.24364449794392E-15 -9.773317975035395E-15 2.269120599823814E-12 -6.167100675131534E-12 8.388789557599966E-12 1.03376481403161E-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 20.4   n/a MPO245897  
rotation period rot_per 39.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

388945 (2008 TZ3)          Discovered 2008-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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