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JPL Small-Body Database Browser
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49185 (1998 SA74)
Classification: Main-belt Asteroid          SPK-ID: 2049185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05746914634569531 4.6771e-08  
a 2.557944281139525 1.1398e-08 au
q 2.410941406902583 1.2281e-07 au
i 6.51829289166034 4.8694e-06 deg
node 49.5676127290959 4.1025e-05 deg
peri 274.11110086 5.9157e-05 deg
M 60.50905233493695 4.1851e-05 deg
tp 2458349.338598613015
(2018-Aug-18.83859861)
0.00017374 TDB
period 1494.290540179368
4.09
9.988e-06
2.735e-08
d
yr
n .240917003969514 1.6103e-09 deg/d
Q 2.704947155376467 1.2053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1387  
   data-arc span      10607 days (29.04 yr)  
   first obs. used      1990-11-19  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:17:31  

Additional Information
 Earth MOID = 1.40884 au 
 Jupiter MOID = 2.46112 au 
 T_jup = 3.425 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO452839  

49185 (1998 SA74)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SA74 = 2001 HZ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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