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17335 (2281 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2017335
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03175826169824231 3.4306e-08  
a 2.771867538634422 1.1724e-08 au
q 2.683837843949607 9.3391e-08 au
i 2.082716915770445 3.8084e-06 deg
node 346.7553937628973 8.6831e-05 deg
peri 311.1464162907693 0.00010298 deg
M 151.7487500140692 5.4948e-05 deg
tp 2458489.974355552980
(2019-Jan-06.47435555)
0.00025737 TDB
period 1685.610141613765
4.61
1.0694e-05
2.928e-08
d
yr
n .2135725166291086 1.355e-09 deg/d
Q 2.859897233319237 1.2096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1839  
   data-arc span      24330 days (66.61 yr)  
   first obs. used      1954-07-31  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:37  

Additional Information
 Earth MOID = 1.66663 au 
 Jupiter MOID = 2.19735 au 
 T_jup = 3.335 
[ 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 14.1   n/a MPO449078  
diameter diameter 5.948 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.225 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.104   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17335 (2281 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

Alternate Designations
 2281 T-2 = 1991 PM10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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