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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466018591862698 4.7149e-08  
a 2.679300562171599 1.8333e-08 au
q 2.286510118438425 1.2866e-07 au
i 3.862756327586624 5.3233e-06 deg
node 39.19140638593701 9.2469e-05 deg
peri 353.1985428278865 9.5159e-05 deg
M 245.8868120551687 2.4061e-05 deg
tp 2459108.266350804204
(2020-Sep-15.76635080)
0.0001097 TDB
period 1601.882215208002
4.39
1.6441e-05
4.501e-08
d
yr
n .2247356244936239 2.3066e-09 deg/d
Q 3.072091005904773 2.102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      9936 days (27.20 yr)  
   first obs. used      1991-02-08  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59131  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:44:55  

Additional Information
 Earth MOID = 1.2919 au 
 Jupiter MOID = 2.35837 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456428.5 (2013-May-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494133745304213 4.7574e-08  
q 2.275546471748734 1.3026e-07 au
tp 2455906.767278512562
(2011-Dec-11.26727851)
9.2837e-05 TDB
node 39.23060120072333 9.2235e-05 deg
peri 352.8230188157972 9.4798e-05 deg
i 3.871649086928885 5.3355e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      9936 days (27.20 yr)  
   first obs. used      1991-02-08  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59131  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:44:55  

Additional Information
 Jupiter MOID = 2.35837 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.263249832982048E-15 -6.154641002503295E-15 -1.277859318328424E-12 -1.977949827255826E-15 -2.864493087046683E-13 -1.944034132686771E-15
q -6.154641002503295E-15 1.696737927870632E-14 3.825250759324577E-12 5.652349325099732E-15 8.793310222573088E-13 5.731338902219518E-15
tp -1.277859318328424E-12 3.825250759324577E-12 8.618774963864048E-9 2.874162246863828E-11 2.078942602648218E-9 3.807549117488454E-12
node -1.977949827255826E-15 5.652349325099732E-15 2.874162246863828E-11 8.507295242407412E-9 -8.480716685404405E-9 -1.275681015595217E-10
peri -2.864493087046683E-13 8.793310222573088E-13 2.078942602648218E-9 -8.480716685404405E-9 8.986699039348449E-9 1.282240562427637E-10
i -1.944034132686771E-15 5.731338902219518E-15 3.807549117488454E-12 -1.275681015595217E-10 1.282240562427637E-10 2.846785162600068E-11

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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