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17323 (3284 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2017323
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09847160144786793 4.0132e-08  
a 3.070859595142256 1.6175e-08 au
q 2.768467132987046 1.245e-07 au
i 9.705991472389071 4.7199e-06 deg
node 8.847188752416171 2.1713e-05 deg
peri 42.85849700741952 3.0112e-05 deg
M 211.4550750862967 2.1194e-05 deg
tp 2460011.542635289005
(2023-Mar-08.04263529)
0.00011828 TDB
period 1965.569331120966
5.38
1.553e-05
4.252e-08
d
yr
n .1831530408518796 1.4471e-09 deg/d
Q 3.373252057297465 1.7768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      17991 days (49.26 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:26  

Additional Information
 Earth MOID = 1.78629 au 
 Jupiter MOID = 2.04132 au 
 T_jup = 3.202 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456915.5 (2014-Sep-15.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09965615013264068 3.9921e-08  
q 2.763829268194002 1.2367e-07 au
tp 2456085.965877196838
(2012-Jun-07.46587720)
0.00010848 TDB
node 8.883864988937326 2.1712e-05 deg
peri 43.73376983819504 3.0002e-05 deg
i 9.707960171441398 4.7208e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      17991 days (49.26 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:26  

Additional Information
 Jupiter MOID = 2.04132 au 
 T_jup = 3.202 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.59368647625377E-15 -4.901791506095999E-15 -1.041567457255607E-12 1.904647484722036E-15 -2.282558890044049E-13 -2.288573924579383E-15
q -4.901791506095999E-15 1.529306832106763E-14 3.420436269225966E-12 -4.50341313174315E-15 7.588567356237376E-13 7.925181681604416E-15
tp -1.041567457255607E-12 3.420436269225966E-12 1.176820704498482E-8 2.067953890652847E-12 2.255886731686438E-9 1.105698916776588E-12
node 1.904647484722036E-15 -4.50341313174315E-15 2.067953890652847E-12 4.714239754828648E-10 -4.638962639215377E-10 1.217828297747598E-11
peri -2.282558890044049E-13 7.588567356237376E-13 2.255886731686438E-9 -4.638962639215377E-10 9.000997079578956E-10 -1.16251278621252E-11
i -2.288573924579383E-15 7.925181681604416E-15 1.105698916776588E-12 1.217828297747598E-11 -1.16251278621252E-11 2.228587856491767E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.85   n/a E2021B10  
diameter diameter 6.315 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.21291 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 0.147   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17323 (3284 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3284 T-1 = 1995 UG10 = 1998 FA138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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