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JPL Small-Body Database Browser
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15983 (1998 WM1)
Classification: Main-belt Asteroid          SPK-ID: 2015983
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897960046527982 3.3718e-08  
a 2.537528793243903 1.2797e-08 au
q 2.055915966594773 8.6872e-08 au
i 4.701909086131933 4.0395e-06 deg
node 255.2976965089897 4.2216e-05 deg
peri 59.68599412043949 4.4137e-05 deg
M 219.1524417191267 1.4937e-05 deg
tp 2459578.145928925801
(2021-Dec-29.64592893)		 6.2282e-05 TDB
period 1476.436914856532
4.04		 1.1168e-05
3.058e-08		 d
yr
n .2438302621517573 1.8444e-09 deg/d
Q 3.019141619893032 1.5225e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1703  
   data-arc span      24247 days (66.38 yr)  
   first obs. used      1953-09-16  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:32:18  

Additional Information
 Earth MOID = 1.04693 au 
 Jupiter MOID = 2.27722 au 
 T_jup = 3.417 
[ 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 13.8   n/a MPO319284  

15983 (1998 WM1)          Discovered 1998-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WM1 = 1985 OQ = 2000 CZ69 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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