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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987367615183102 3.8789e-08  
a 2.161387059774768 5.8206e-09 au
q 1.731839995127548 8.2821e-08 au
i 4.311256220014814 2.9185e-06 deg
node 106.9487165537662 5.8241e-05 deg
peri 228.1994009427008 5.9036e-05 deg
M 277.093550374525 1.1416e-05 deg
tp 2459467.790217261848
(2021-Sep-10.29021726)
3.7216e-05 TDB
period 1160.639234329221
3.18
4.6884e-06
1.284e-08
d
yr
n .3101739018912782 1.2529e-09 deg/d
Q 2.590934124421988 6.9774e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:31:26  

Additional Information
 Earth MOID = .723502 au 
 Jupiter MOID = 2.77822 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 15.69   n/a E2021B10  
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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