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21832 (1999 TZ93)
Classification: Main-belt Asteroid          SPK-ID: 2021832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04751759096502359 3.1822e-08  
a 2.542496742442748 9.1603e-09 au
q 2.421683422205449 8.0961e-08 au
i 3.96799535663524 4.2645e-06 deg
node 153.0567579161211 5.1963e-05 deg
peri 150.5819176210518 7.524e-05 deg
M 146.8169636594847 5.2654e-05 deg
tp 2458596.603139310800
(2019-Apr-23.10313931)
0.0002169 TDB
period 1480.774867081018
4.05
8.0026e-06
2.191e-08
d
yr
n .2431159577347845 1.3139e-09 deg/d
Q 2.663310062680048 9.5956e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1642  
   data-arc span      8883 days (24.32 yr)  
   first obs. used      1996-11-05  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:54:00  

Additional Information
 Earth MOID = 1.40547 au 
 Jupiter MOID = 2.43263 au 
 T_jup = 3.440 
[ 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 MPO347690  
diameter diameter 2.792 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21832 (1999 TZ93)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TZ93 = 1998 KA35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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