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74348 (1998 VT53)
Classification: Main-belt Asteroid          SPK-ID: 2074348
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076251906578036 4.6367e-08  
a 2.711339291308989 1.4212e-08 au
q 2.419530883143865 1.3232e-07 au
i 11.96782841332757 5.774e-06 deg
node 12.84055535940283 1.6574e-05 deg
peri 32.34516061204913 3.2996e-05 deg
M 338.472753611872 2.6425e-05 deg
tp 2459298.012481641797
(2021-Mar-24.51248164)
0.00011971 TDB
period 1630.70059022535
4.46
1.2821e-05
3.51e-08
d
yr
n .2207640091368649 1.7357e-09 deg/d
Q 3.003147699474113 1.5741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:12:53  

Additional Information
 Earth MOID = 1.43426 au 
 Jupiter MOID = 2.44498 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457689.5 (2016-Oct-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096685402561145 4.6997e-08  
q 2.414232287445475 1.3445e-07 au
tp 2457661.448217418716
(2016-Sep-29.94821742)
0.00011551 TDB
node 13.02117185614577 1.6546e-05 deg
peri 31.13972901407154 3.2203e-05 deg
i 11.98448106024059 5.7773e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:12:53  

Additional Information
 Jupiter MOID = 2.44498 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.208749115681117E-15 -6.297724503823172E-15 -1.933471171439538E-12 -4.381345272535787E-15 -4.107978534564647E-13 -8.280860337866352E-15
q -6.297724503823172E-15 1.807738170097171E-14 5.159484317129632E-12 9.873973383492545E-15 1.090000524661466E-12 2.471660750961075E-14
tp -1.933471171439538E-12 5.159484317129632E-12 1.334288072225542E-8 3.679708981473005E-11 3.197776638487561E-9 4.350101293357278E-12
node -4.381345272535787E-15 9.873973383492545E-15 3.679708981473005E-11 2.73758026825894E-10 -2.582442320027429E-10 -2.761134770324762E-11
peri -4.107978534564647E-13 1.090000524661466E-12 3.197776638487561E-9 -2.582442320027429E-10 1.037030536762658E-9 2.779583734776157E-11
i -8.280860337866352E-15 2.471660750961075E-14 4.350101293357278E-12 -2.761134770324762E-11 2.779583734776157E-11 3.337765036058404E-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 15.0   n/a MPO439561  

74348 (1998 VT53)          Discovered 1998-Nov-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2004-Sep-03 06:45 < 00:01 Hebe 0.0336914492778291 0.0336902813293343 0.0336926172635062 7.00030675891123 7.00030673255272 2453251.781118206 0.467802722516869 98.3215131726042 41.3346562357977 -62.6295259080362 110795.310893293 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 13:12:55 2021-Apr-13 13:12
2174-Jun-16 22:09 < 00:01 Europ 0.0495330630210646 0.0495131023065183 0.0495530450770993 5.16923401826364 5.16923397675387 2515264.422986625 0.702087967998629 1903.13041059688 40.3840567684579 -58.481567709708 156367.475416268 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 13:12:55 2021-Apr-13 13:12

Alternate Designations
 1998 VT53 = 2000 EA89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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