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JPL Small-Body Database Browser
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34979 (2173 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2034979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385708840584387 4.3689e-08  
a 2.241847950680733 9.0402e-09 au
q 1.931193098230305 9.9007e-08 au
i 8.389221700314728 4.942e-06 deg
node 211.8102606288688 2.3315e-05 deg
peri 188.4775836260636 2.7087e-05 deg
M 116.7528450496011 1.378e-05 deg
tp 2458202.875963794259
(2018-Mar-25.37596379)
4.6057e-05 TDB
period 1226.048521329424
3.36
7.416e-06
2.03e-08
d
yr
n .2936262258280335 1.7761e-09 deg/d
Q 2.552502803131162 1.0293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1329  
   data-arc span      15184 days (41.57 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:53:01  

Additional Information
 Earth MOID = .938667 au 
 Jupiter MOID = 2.84703 au 
 T_jup = 3.607 
[ 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 15.0   n/a MPO431894  
rotation period rot_per 2.49 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

34979 (2173 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2173 T-3 = 1994 WJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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