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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674413532782131 3.8757e-08  
a 2.630475784612307 1.2364e-08 au
q 2.190025359471253 1.0639e-07 au
i 3.807816765890443 5.5849e-06 deg
node 207.0424673247388 6.1317e-05 deg
peri 222.7737603243661 6.3769e-05 deg
M 357.7194068356183 1.7532e-05 deg
tp 2459010.371774053846
(2020-Jun-09.87177405)
7.5915e-05 TDB
period 1558.295760457614
4.27
1.0987e-05
3.008e-08
d
yr
n .2310216129281397 1.6288e-09 deg/d
Q 3.070926209753361 1.4434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1998-10-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:47:27  

Additional Information
 Earth MOID = 1.20604 au 
 Jupiter MOID = 2.226 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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