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JPL Small-Body Database Browser
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91599 (1999 TQ13)
Classification: Main-belt Asteroid          SPK-ID: 2091599
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504896094051106 5.1517e-08  
a 3.072346617047432 2.0783e-08 au
q 2.609990374690851 1.6213e-07 au
i 2.267097432480984 4.3773e-06 deg
node 261.9590454662693 0.00013197 deg
peri 122.7451291030612 0.0001327 deg
M 300.8103370981894 1.4471e-05 deg
tp 2459323.905281789808
(2021-Apr-19.40528179)
8.058e-05 TDB
period 1966.997204181907
5.39
1.9959e-05
5.464e-08
d
yr
n .1830200872856489 1.8571e-09 deg/d
Q 3.534702859404014 2.3911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      7263 days (19.89 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:33:56  

Additional Information
 Earth MOID = 1.61477 au 
 Jupiter MOID = 1.92896 au 
 T_jup = 3.212 
[ 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 14.6   n/a MPO436412  
diameter diameter 7.543 km 1.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 198.254 h n/a LCDB (Rev. 2019-August); 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 0.048   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91599 (1999 TQ13)          Discovered 1999-Oct-10 by Crni Vrh at Crni Vrh
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TQ13 = 2001 BC25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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