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JPL Small-Body Database Browser
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39170 (2000 WR140)
Classification: Main-belt Asteroid          SPK-ID: 2039170
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03661173290264563 3.7288e-08  
a 2.867099959485111 1.8961e-08 au
q 2.762130461563256 1.0557e-07 au
i 2.835643152578904 4.5611e-06 deg
node 64.64864769578749 8.6942e-05 deg
peri 220.0098825203941 0.00010894 deg
M 156.3013994371103 6.6412e-05 deg
tp 2458230.619987909816
(2018-Apr-22.11998791)
0.00032689 TDB
period 1773.220235715058
4.85
1.7591e-05
4.816e-08
d
yr
n .2030204668033402 2.014e-09 deg/d
Q 2.972069457406966 1.9655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      10596 days (29.01 yr)  
   first obs. used      1990-11-22  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:08:28  

Additional Information
 Earth MOID = 1.74646 au 
 Jupiter MOID = 2.0707 au 
 T_jup = 3.297 
[ 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 14.9   n/a MPO452713  

39170 (2000 WR140)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WR140 = 1994 RC23 = 1999 RJ74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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