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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 
[ 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 15.83   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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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
2002-Feb-07 09:36 00:01 Iris 0.0357582051980504 0.0357562701087317 0.0357601403335805 3.00200558071477 3.00200552716152 2452312.900247117 1.20960974018122 127.341738042563 61.5118788277263 -48.2518640045286 70585.9960846594 T 23 CATAB v2.0f-lin.ifort 2021-Feb-24 06:57:02 2021-Feb-24 06:57
2027-Nov-15 00:07 00:02 Iris 0.031359722738968 0.0313573715216446 0.0313620741792983 2.74617722663973 2.7461771598865 2461724.504842476 1.63460002059085 192.299019643501 59.0797101911205 56.4621407536567 67467.2996011744 T 23 CATAB v2.0f-lin.ifort 2021-Feb-24 06:57:02 2021-Feb-24 06:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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