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91629 (1999 TR58)
Classification: Main-belt Asteroid          SPK-ID: 2091629
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928510811181784 5.4867e-08  
a 3.195071203116342 3.177e-08 au
q 2.578898267345796 1.8655e-07 au
i 2.735812659269399 7.8495e-06 deg
node 152.0729473017149 0.00016186 deg
peri 152.1853260624112 0.00016345 deg
M 297.6511041935912 2.3198e-05 deg
tp 2459361.781317613244
(2021-May-27.28131761)
0.00013641 TDB
period 2086.023700317062
5.71
3.1113e-05
8.518e-08
d
yr
n .1725771379995742 2.574e-09 deg/d
Q 3.811244138886887 3.7897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      7913 days (21.66 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:42:44  

Additional Information
 Earth MOID = 1.56415 au 
 Jupiter MOID = 1.45086 au 
 T_jup = 3.165 
[ 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 15.8   n/a MPO468902  
diameter diameter 2.993 km 0.965 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91629 (1999 TR58)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TR58 = 1998 QK60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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