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JPL Small-Body Database Browser
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49184 (1998 SW73)
Classification: Main-belt Asteroid          SPK-ID: 2049184
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379197799996891 5.7804e-08  
a 2.307284471791286 7.4097e-09 au
q 1.989064305045133 1.3398e-07 au
i 8.057149425232875 7.5034e-06 deg
node 35.03922730869703 2.4697e-05 deg
peri 284.6239142564418 3.9097e-05 deg
M 111.1614213720163 3.0595e-05 deg
tp 2458605.222829362532
(2019-May-01.72282936)
0.000109 TDB
period 1280.118405046871
3.50
6.1665e-06
1.688e-08
d
yr
n .2812239856724963 1.3547e-09 deg/d
Q 2.625504638537438 8.4316e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1448  
   data-arc span      15421 days (42.22 yr)  
   first obs. used      1977-10-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:38:18  

Additional Information
 Earth MOID = .995163 au 
 Jupiter MOID = 2.68295 au 
 T_jup = 3.561 
[ 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 14.4   n/a MPO449315  

49184 (1998 SW73)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SW73 = 1977 UG3 = 1991 RO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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