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JPL Small-Body Database Browser
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305548 (2008 TO22)
Classification: Main-belt Asteroid          SPK-ID: 2305548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05366779356667959 7.2019e-08  
a 2.183918937553022 1.6995e-08 au
q 2.066712826846064 1.5941e-07 au
i 8.059731803888699 6.1275e-06 deg
node 37.72913275041547 5.5509e-05 deg
peri 96.5693881711031 8.0249e-05 deg
M 7.265606354506846 5.6009e-05 deg
tp 2458576.708459588746
(2019-Apr-03.20845959)
0.00018342 TDB
period 1178.835479125391
3.23
1.3761e-05
3.768e-08
d
yr
n .3053861258630368 3.5648e-09 deg/d
Q 2.30112504825998 1.7907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      7926 days (21.70 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:19:01  

Additional Information
 Earth MOID = 1.09822 au 
 Jupiter MOID = 2.70707 au 
 T_jup = 3.664 
[ 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 17.7   n/a MPO418594  

305548 (2008 TO22)          Discovered 2008-Oct-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 TO22 = 1997 HP16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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