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17328 (1176 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2017328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412893640792202 3.0815e-08  
a 2.259397528271837 7.0022e-09 au
q 1.940168688300147 7.0126e-08 au
i 2.242980881580817 3.6876e-06 deg
node 305.1057857246952 8.8277e-05 deg
peri 323.7210052249343 8.9262e-05 deg
M 45.04623953609158 1.2908e-05 deg
tp 2459045.281514377921
(2020-Jul-14.78151438)
4.4447e-05 TDB
period 1240.473242592823
3.40
5.7666e-06
1.579e-08
d
yr
n .2902118221006784 1.3491e-09 deg/d
Q 2.578626368243528 7.9916e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1745  
   data-arc span      17174 days (47.02 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:31  

Additional Information
 Earth MOID = .922836 au 
 Jupiter MOID = 2.50405 au 
 T_jup = 3.607 
[ 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 14.89   n/a MPCxxxxx  
diameter diameter 2.841 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.537 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.316   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17328 (1176 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1176 T-2 = 1992 AS6 = 1993 OT13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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