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70449 Gruebel (1999 TK17)
Classification: Main-belt Asteroid          SPK-ID: 2070449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470778990644748 3.7102e-08  
a 2.361060196491195 8.9013e-09 au
q 2.013800423226514 8.7035e-08 au
i 1.63077831698943 4.7533e-06 deg
node 323.3035609547871 0.00013701 deg
peri 156.9132825398704 0.00013802 deg
M 206.6682887464976 1.5927e-05 deg
tp 2459764.901940711588
(2022-Jul-04.40194071)
5.9312e-05 TDB
period 1325.131618209411
3.63
7.4937e-06
2.052e-08
d
yr
n .2716711268926262 1.5363e-09 deg/d
Q 2.708319969755876 1.0211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1999-09-29  
   last obs. used      2020-07-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49884  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:46  

Additional Information
 Earth MOID = 1.02978 au 
 Jupiter MOID = 2.36277 au 
 T_jup = 3.536 
[ 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 15.31   n/a E2021B10  

70449 Gruebel           Discovered 1999 Oct. 15 by W. D. Bruton and M. L. Johnson at Nacogdoches.
Robert W. Gruebel (1924-2016) was a Professor of Physics at Stephen F. Austin State University, and a mentor, colleague and friend of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2068-Sep-03 09:48 00:04 Amphi 0.0184456645834655 0.0184423497473761 0.0184489848501947 2.46182135655475 2.4618212299581 2476627.908613611 3.75565965135006 535.446835608951 34.0590704163008 -72.3963973750648 77134.5416848261 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 12:49:51 2021-Apr-13 12:49
2096-Aug-09 04:56 < 00:01 Eunom 0.0463052555586109 0.0462916093823111 0.0463189020614721 5.44542862621197 5.44542857054065 2486829.705842146 0.620931189174201 707.384327269539 47.1154190620099 -15.9868880709554 41547.5741443901 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 12:49:51 2021-Apr-13 12:49
2169-Aug-02 18:10 00:18 Psych 0.0190860597065692 0.0190744306730719 0.0190976986839633 2.72330909401314 2.72330886123619 2513485.256830972 18.174276096405 898.448445971141 33.492292372485 49.9120618260878 65124.3689296956 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 12:49:51 2021-Apr-13 12:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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