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344766 (2003 WE87)
Classification: Main-belt Asteroid          SPK-ID: 2344766
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733992502286464 4.8072e-08  
a 2.722734222247172 2.3833e-08 au
q 1.978340727312918 1.3285e-07 au
i 13.26080079582463 8.3867e-06 deg
node 1.024228521308679 2.6026e-05 deg
peri 58.23260578448511 3.4755e-05 deg
M 258.2516936675863 2.0813e-05 deg
tp 2459464.300262431213
(2021-Sep-06.80026243)
9.893e-05 TDB
period 1640.991388394701
4.49
2.1546e-05
5.899e-08
d
yr
n .2193795790434768 2.8804e-09 deg/d
Q 3.467127717181425 3.0348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      5669 days (15.52 yr)  
   first obs. used      2003-11-21  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:08  

Additional Information
 Earth MOID = 1.02378 au 
 Jupiter MOID = 2.11595 au 
 T_jup = 3.266 
[ 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 16.3   n/a MPO476592  

344766 (2003 WE87)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2079-Jul-01 00:04 00:01 Juno 0.0381862839475107 0.0381619437939226 0.0382106272670655 9.42840995966619 9.42840992587526 2480580.502774818 1.47180019320303 1332.11111398146 74.9315778573882 24.3911372380997 31717.487030189 T 7 CATAB v2.0f-lin.ifort 2019-Sep-24 06:31:10 2019-Sep-24 06:31
2081-Jan-09 13:07 00:01 Juno 0.0318383306654715 0.0318259046709345 0.0318507655077041 7.53215454621103 7.53215449547967 2481139.046481117 1.48846339221093 1056.07772426546 128.012230969048 54.6627934350412 30454.660964514 T 7 CATAB v2.0f-lin.ifort 2019-Sep-24 06:31:10 2019-Sep-24 06:31

Alternate Designations
 2003 WE87 = 2007 RM246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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