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JPL Small-Body Database Browser
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20040 (1992 WT3)
Classification: Main-belt Asteroid          SPK-ID: 2020040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2249103445350035 4.2275e-08  
a 2.445551022919778 9.1185e-09 au
q 1.895521299776961 1.0186e-07 au
i 7.499378639452591 4.4404e-06 deg
node 93.85625557902964 2.4783e-05 deg
peri 336.4634231539877 2.626e-05 deg
M 62.27157722703365 6.9021e-06 deg
tp 2458758.869983174436
(2019-Oct-02.36998317)
2.6506e-05 TDB
period 1396.894216121443
3.82
7.8127e-06
2.139e-08
d
yr
n .2577145755528723 1.4414e-09 deg/d
Q 2.995580746062596 1.1169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      11440 days (31.32 yr)  
   first obs. used      1988-10-09  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:00:10  

Additional Information
 Earth MOID = .912843 au 
 Jupiter MOID = 2.30236 au 
 T_jup = 3.452 
[ 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 15.2   n/a MPO452454  

20040 (1992 WT3)          Discovered 1992-Nov-21 by Seki, T. at Geisei
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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