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17329 (1277 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2017329
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082659902946409 3.9448e-08  
a 3.106621476086572 1.4799e-08 au
q 2.459617877898803 1.2606e-07 au
i 1.589574686922733 4.3187e-06 deg
node 162.0797825294385 0.00013592 deg
peri 204.8778856986868 0.00013619 deg
M 237.8231873338427 9.3582e-06 deg
tp 2460075.261541851622
(2023-May-10.76154185)
5.4863e-05 TDB
period 2000.004335800368
5.48
1.4291e-05
3.913e-08
d
yr
n .1799996097788128 1.2862e-09 deg/d
Q 3.753625074274341 1.7881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      17432 days (47.73 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:50:25  

Additional Information
 Earth MOID = 1.45767 au 
 Jupiter MOID = 1.70991 au 
 T_jup = 3.186 
[ 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 14.39   n/a MPO636324  
diameter diameter 8.679 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.07938 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17329 (1277 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
 1277 T-2 = 1997 AN18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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