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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379197790828826 5.7556e-08  
a 2.307284472101268 7.3791e-09 au
q 1.989064307427696 1.334e-07 au
i 8.057149521434756 7.3944e-06 deg
node 35.03922518678043 2.4533e-05 deg
peri 284.6239151984838 3.8874e-05 deg
M 111.1614222394235 3.0511e-05 deg
tp 2458605.222826198474
(2019-May-01.72282620)
0.00010869 TDB
period 1280.118405304846
3.50
6.141e-06
1.681e-08
d
yr
n .2812239856158229 1.3491e-09 deg/d
Q 2.62550463677484 8.3968e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      15450 days (42.30 yr)  
   first obs. used      1977-10-18  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:21:40  

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

[ show close-approach data ]
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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