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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 168 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3907941717893777 1.0213e-08  
a 1.589922397151184 3.3653e-09 au
q .9685899907471048 1.5209e-08 au
i 8.71795808123705 3.0033e-06 deg
node 44.05624691956196 4.2247e-06 deg
peri 219.7268266234422 5.7549e-06 deg
M 190.5423375177767 1.2704e-06 deg
tp 2459741.183923962989
(2022-Jun-10.68392396)
3.1279e-06 TDB
period 732.2549527065091
2.00
2.3249e-06
6.365e-09
d
yr
n .4916320451905356 1.5609e-09 deg/d
Q 2.211254803555263 4.6804e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      4398 days (12.04 yr)  
   first obs. used      2008-10-06  
   last obs. used      2020-10-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .28704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-02 05:57:16  

Additional Information
 Earth MOID = .0169504 au 
 Jupiter MOID = 2.89205 au 
 T_jup = 4.279 
[ 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 20.46   n/a E2021B25  
rotation period rot_per 39.15 h n/a LCDB (Rev. 2020-October); 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]
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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