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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457181.5 (2015-Jun-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398293622395679 5.1255e-08  
q 2.106303854887514 1.296e-07 au
tp 2456633.620289339827
(2013-Dec-07.12028934)
6.2724e-05 TDB
node 305.34650222129 4.7152e-05 deg
peri 40.54008519897074 4.9559e-05 deg
i 5.849146167405086 4.6891e-06 deg
  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
 Jupiter MOID = 2.60464 au 
 T_jup = 3.477 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.627067698119591E-15 -6.626646020899638E-15 1.81898357670073E-14 8.370330599858493E-15 -5.425927961939092E-15 2.249628772700594E-15
q -6.626646020899638E-15 1.679620743046969E-14 3.183353894678614E-15 -2.089451506071492E-14 3.235097764136416E-14 -5.280435580852304E-15
tp 1.81898357670073E-14 3.183353894678614E-15 3.934301029268881E-9 -1.417564124688076E-11 9.816047991097389E-10 2.468312449335783E-12
node 8.370330599858493E-15 -2.089451506071492E-14 -1.417564124688076E-11 2.223305614408596E-9 -2.214900433064877E-9 4.537013766241848E-11
peri -5.425927961939092E-15 3.235097764136416E-14 9.816047991097389E-10 -2.214900433064877E-9 2.456100817979072E-9 -4.449406067524817E-11
i 2.249628772700594E-15 -5.280435580852304E-15 2.468312449335783E-12 4.537013766241848E-11 -4.449406067524817E-11 2.198802917816276E-11

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 15.7   n/a MPO378957  

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

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