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79758 (1998 TB21)
Classification: Main-belt Asteroid          SPK-ID: 2079758
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260507599847364 4.0315e-08  
a 2.611968369131856 1.2747e-08 au
q 2.282727771146694 1.1001e-07 au
i 3.075229575597092 5.296e-06 deg
node 14.98423451647232 7.0426e-05 deg
peri 76.81769494693734 7.413e-05 deg
M 354.6995497308721 2.1965e-05 deg
tp 2459023.201813955984
(2020-Jun-22.70181396)
9.4131e-05 TDB
period 1541.87901200681
4.22
1.1287e-05
3.09e-08
d
yr
n .2334813543712793 1.7091e-09 deg/d
Q 2.941208967117019 1.4354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:46:25  

Additional Information
 Earth MOID = 1.30171 au 
 Jupiter MOID = 2.23005 au 
 T_jup = 3.396 
[ 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 16.3   n/a MPO453219  

79758 (1998 TB21)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 TB21 = 2000 FU72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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