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49361 (1998 WN15)
Classification: Main-belt Asteroid          SPK-ID: 2049361
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125192483254255 3.2156e-08  
a 2.75092056521304 1.4132e-08 au
q 2.441389051012314 9.057e-08 au
i 5.141249620411104 3.7996e-06 deg
node 114.0808783992687 4.4624e-05 deg
peri 325.8111944969124 4.9783e-05 deg
M 241.3991019699227 2.4183e-05 deg
tp 2459549.536198142185
(2021-Dec-01.03619814)
0.00011386 TDB
period 1666.539078659097
4.56
1.2842e-05
3.516e-08
d
yr
n .2160165366717096 1.6646e-09 deg/d
Q 3.060452079413765 1.5722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      9394 days (25.72 yr)  
   first obs. used      1995-01-29  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:02  

Additional Information
 Earth MOID = 1.45923 au 
 Jupiter MOID = 2.14692 au 
 T_jup = 3.331 
[ 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 14.8   n/a MPO296500  

49361 (1998 WN15)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WN15 = 2000 FY61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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