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49041 (1998 RW)
Classification: Main-belt Asteroid          SPK-ID: 2049041
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411481449818807 5.1359e-08  
a 2.446707521712557 1.1432e-08 au
q 2.101359293709614 1.301e-07 au
i 5.844038488270058 4.6864e-06 deg
node 305.26186421 4.7252e-05 deg
peri 40.95523153242298 4.9589e-05 deg
M 248.755067049333 1.68e-05 deg
tp 2459432.465687146747
(2021-Aug-05.96568715)		 6.6258e-05 TDB
period 1397.885218212955
3.83		 9.7971e-06
2.682e-08		 d
yr
n .2575318740834966 1.8049e-09 deg/d
Q 2.792055749715499 1.3045e-08 au
   Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:34:36  

Additional Information
 Earth MOID = 1.09773 au 
 Jupiter MOID = 2.60464 au 
 T_jup = 3.477 
[ 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 15.67   n/a E2021B10  

49041 (1998 RW)          Discovered 1998-Sep-12 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 RW = 2000 BU19 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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