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74302 (1998 TG1)
Classification: Main-belt Asteroid          SPK-ID: 2074302
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463567658609331 4.429e-08  
a 2.676507753938568 1.2291e-08 au
q 2.284782735270409 1.1672e-07 au
i 3.861392706521973 5.181e-06 deg
node 39.13903422694283 6.5532e-05 deg
peri 353.6586784858405 6.818e-05 deg
M 335.4293678466838 1.6301e-05 deg
tp 2459109.660374032465
(2020-Sep-17.16037403)
7.2366e-05 TDB
period 1599.378249874759
4.38
1.1017e-05
3.016e-08
d
yr
n .2250874676007318 1.5505e-09 deg/d
Q 3.068232772606727 1.409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      10874 days (29.77 yr)  
   first obs. used      1991-02-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:28  

Additional Information
 Earth MOID = 1.29093 au 
 Jupiter MOID = 2.36281 au 
 T_jup = 3.360 
[ 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 15.9   n/a MPO257338  

74302 (1998 TG1)          Discovered 1998-Oct-12 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TG1 = 2002 PZ93 = 2002 QK32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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