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49676 (1999 TZ2)
Classification: Main-belt Asteroid          SPK-ID: 2049676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988694690778292 3.3841e-08  
a 2.161938172637242 5.2867e-09 au
q 1.731994676065782 7.3022e-08 au
i 4.311033492276866 2.8553e-06 deg
node 106.9493225829081 5.3504e-05 deg
peri 228.1416681181239 5.4207e-05 deg
M 337.9364938350114 9.3291e-06 deg
tp 2459467.659904924643
(2021-Sep-10.15990492)
3.014e-05 TDB
period 1161.083174238321
3.18
4.2589e-06
1.166e-08
d
yr
n .3100553069646905 1.1373e-09 deg/d
Q 2.591881669208703 6.3381e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      8463 days (23.17 yr)  
   first obs. used      1998-04-20  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:58:45  

Additional Information
 Earth MOID = .724771 au 
 Jupiter MOID = 2.77668 au 
 T_jup = 3.667 
[ 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 15.68   n/a MPCxxxxx  
rotation period rot_per 319.385 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

49676 (1999 TZ2)          Discovered 1999-Oct-02 by CSS at Catalina
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TZ2 = 2001 BW69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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