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74298 (1998 SG152)
Classification: Main-belt Asteroid          SPK-ID: 2074298
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999077007293514 3.8234e-08  
a 2.643317572887375 1.3079e-08 au
q 2.379010213227044 1.0211e-07 au
i 2.311767720223509 4.28e-06 deg
node 167.273243943771 9.8274e-05 deg
peri 205.8980289542497 0.00010056 deg
M 57.19432798836183 2.0864e-05 deg
tp 2458951.113521676045
(2020-Apr-11.61352168)		 9.0578e-05 TDB
period 1569.72090335413
4.30		 1.165e-05
3.19e-08		 d
yr
n .2293401325234081 1.7022e-09 deg/d
Q 2.907624932547705 1.4387e-08 au
   Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9564 days (26.18 yr)  
   first obs. used      1994-11-07  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5641  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:00  

Additional Information
 Earth MOID = 1.37797 au 
 Jupiter MOID = 2.55652 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457232.5 (2015-Jul-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020133357541087 3.8483e-08  
q 2.373534618111104 1.0305e-07 au
tp 2457377.680749909824
(2015-Dec-21.18074991)		 8.6032e-05 TDB
node 167.3693774508214 9.8178e-05 deg
peri 205.0211535269491 0.00010034 deg
i 2.312451024674796 4.2844e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9564 days (26.18 yr)  
   first obs. used      1994-11-07  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5641  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:00  

Additional Information
 Jupiter MOID = 2.55652 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.480957232223204E-15 -3.939489605182275E-15 -7.53949004865287E-16 -7.140859948377531E-15 2.643582718466469E-14 -2.052344687006016E-16
q -3.939489605182275E-15 1.061843952542378E-14 9.334841613364759E-14 1.842556028532549E-14 -5.150447029647398E-14 6.821462902496368E-16
tp -7.53949004865287E-16 9.334841613364759E-14 7.401536098511984E-9 -4.823476129498669E-12 1.798464909330986E-9 -1.28018063181864E-13
node -7.140859948377531E-15 1.842556028532549E-14 -4.823476129498669E-12 9.639005946549931E-9 -9.631884479383848E-9 2.806881997938365E-11
peri 2.643582718466469E-14 -5.150447029647398E-14 1.798464909330986E-9 -9.631884479383848E-9 1.006862260039186E-8 -2.808455983694077E-11
i -2.052344687006016E-16 6.821462902496368E-16 -1.28018063181864E-13 2.806881997938365E-11 -2.808455983694077E-11 1.835599602167563E-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 15.83   n/a E2021B10  

74298 (1998 SG152)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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