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74292 (1998 SW138)
Classification: Main-belt Asteroid          SPK-ID: 2074292
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080530816464544 3.3198e-08  
a 2.624229693315177 1.2994e-08 au
q 2.340673588004342 9.177e-08 au
i 2.33813650621628 5.9534e-06 deg
node 333.8776498448156 0.00010769 deg
peri 111.4584109701979 0.00011237 deg
M 341.2222829066569 3.1943e-05 deg
tp 2459081.491881048227
(2020-Aug-19.99188105)
0.00013795 TDB
period 1552.748773049635
4.25
1.1533e-05
3.158e-08
d
yr
n .2318469067555286 1.722e-09 deg/d
Q 2.907785798626012 1.4398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:09  

Additional Information
 Earth MOID = 1.35812 au 
 Jupiter MOID = 2.2695 au 
 T_jup = 3.394 
[ 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 15.3   n/a MPO359266  

74292 (1998 SW138)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW138 = 2000 DB63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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