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JPL Small-Body Database Browser
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74307 (1998 TO30)
Classification: Main-belt Asteroid          SPK-ID: 2074307
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672021540635008 3.9257e-08  
a 2.630034797840182 1.2567e-08 au
q 2.19028731437934 1.0735e-07 au
i 3.80805323788346 5.5946e-06 deg
node 207.0436584113743 6.3264e-05 deg
peri 222.7882104398491 6.5627e-05 deg
M 265.2646036571321 1.7343e-05 deg
tp 2459010.468458067661
(2020-Jun-09.96845807)
7.6178e-05 TDB
period 1557.903915556574
4.27
1.1167e-05
3.057e-08
d
yr
n .2310797196189002 1.6563e-09 deg/d
Q 3.069782281301024 1.4669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1998-10-10  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:51:34  

Additional Information
 Earth MOID = 1.20606 au 
 Jupiter MOID = 2.22711 au 
 T_jup = 3.377 
[ 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 15.1   n/a MPO351367  

74307 (1998 TO30)          Discovered 1998-Oct-10 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TO30 = 2000 EB59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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