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JPL Small-Body Database Browser
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49149 (1998 SD49)
Classification: Main-belt Asteroid          SPK-ID: 2049149
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 .2077623452424023 5.1088e-08  
a 2.415342214739889 7.9317e-09 au
q 1.913525051642551 1.2272e-07 au
i 2.952540514559999 5.3123e-06 deg
node 171.9702830308289 7.3807e-05 deg
peri 194.6739894208686 7.4327e-05 deg
M 167.8724539997308 8.8804e-06 deg
tp 2457961.143075577445
(2017-Jul-26.64307558)
3.2841e-05 TDB
period 1371.091488258632
3.75
6.7537e-06
1.849e-08
d
yr
n .2625645356877107 1.2933e-09 deg/d
Q 2.917159377837226 9.5796e-09 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1995-11-29  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:19  

Additional Information
 Earth MOID = .911385 au 
 Jupiter MOID = 2.54015 au 
 T_jup = 3.485 
[ 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 15.8   n/a MPO272869  

49149 (1998 SD49)          Discovered 1998-Sep-24 by Visnjan at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SD49 = 1995 YL13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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