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91598 (1999 TK13)
Classification: Main-belt Asteroid          SPK-ID: 2091598
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2294917364936621 4.8342e-08  
a 3.072321916106576 1.8851e-08 au
q 2.367249424511743 1.5169e-07 au
i 7.070671741803993 4.4496e-06 deg
node 85.82839029519326 3.9006e-05 deg
peri 290.0977388515806 3.9848e-05 deg
M 318.6921465692686 8.7355e-06 deg
tp 2459226.198478709554
(2021-Jan-11.69847871)
4.8603e-05 TDB
period 1966.973482940457
5.39
1.8104e-05
4.957e-08
d
yr
n .1830222944652161 1.6845e-09 deg/d
Q 3.77739440770141 2.3178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      7628 days (20.88 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:15  

Additional Information
 Earth MOID = 1.38044 au 
 Jupiter MOID = 1.73496 au 
 T_jup = 3.178 
[ 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 14.3   n/a MPO359384  
diameter diameter 7.203 km 2.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.089   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

91598 (1999 TK13)          Discovered 1999-Oct-11 by Linderholm, R. at Lime Creek
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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