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26992 (1997 WE47)
Classification: Main-belt Asteroid          SPK-ID: 2026992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07602622731307303 4.0692e-08  
a 3.062593549296778 1.9918e-08 au
q 2.829756115950389 1.2748e-07 au
i 11.78423708116675 4.4004e-06 deg
node 86.83630561099027 2.2111e-05 deg
peri 339.1843483822983 3.8266e-05 deg
M 104.3017296278091 2.9939e-05 deg
tp 2458633.319251228318
(2019-May-29.81925123)
0.00016318 TDB
period 1957.638385158335
5.36
1.9097e-05
5.228e-08
d
yr
n .1838950455453411 1.794e-09 deg/d
Q 3.295430982643165 2.1432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1997-11-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:30:17  

Additional Information
 Earth MOID = 1.84685 au 
 Jupiter MOID = 1.96479 au 
 T_jup = 3.197 
[ 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 13.96   n/a E2021B10  

26992 (1997 WE47)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ 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
2044-Apr-25 21:16 < 00:01 Jupiter 1.99891441657548 1.998914027604 1.99891480554719 3.92520629226752 3.81572560848389 2467731.386198596 0.860679853192492 72.9741881420008 14.8995981027585 82.3172838784933 4028778.80215024 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 05:30:27 2021-Apr-13 05:30
2103-Feb-02 14:42 00:02 Jupiter 1.99928691363155 1.99928652360977 1.99928730365379 4.03124446513664 3.92474296212468 2489197.112713190 2.47956239929343 163.363173063212 16.8630558149197 -88.5598768716236 4058350.28588431 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 05:30:27 2021-Apr-13 05:30

Alternate Designations
 1997 WE47 = 1999 CP52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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