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JPL Small-Body Database Browser
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17782 (1998 FD26)
Classification: Main-belt Asteroid          SPK-ID: 2017782
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960891160760859 3.8994e-08  
a 2.652641053752728 1.0081e-08 au
q 2.132487014255219 1.0569e-07 au
i 6.290317277750043 4.0679e-06 deg
node 350.0949938897959 3.9416e-05 deg
peri 101.3509567740966 4.1413e-05 deg
M 105.74494351376 1.0615e-05 deg
tp 2458536.974889889335
(2019-Feb-22.47488989)
4.6207e-05 TDB
period 1578.033276060389
4.32
8.996e-06
2.463e-08
d
yr
n .2281320713963343 1.3005e-09 deg/d
Q 3.172795093250238 1.2058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      24161 days (66.15 yr)  
   first obs. used      1953-11-13  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:34:35  

Additional Information
 Earth MOID = 1.15965 au 
 Jupiter MOID = 2.05666 au 
 T_jup = 3.353 
[ 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 13.5   n/a MPO337409  
diameter diameter 4.553 km 0.807 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.152   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

17782 (1998 FD26)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001013/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
2113-Sep-15 02:36 00:04 Amphi 0.0305902602994024 0.0305884175247328 0.0305921102896713 2.54663662673478 2.54663655294047 2493074.608232187 3.68032255198938 836.169354912661 41.8893053843142 84.3879885071852 108585.501838037 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 00:35:03 2020-Jan-29 00:35
2132-Oct-15 00:27 < 00:01 Thisb 0.0277690350553945 0.0277606709068991 0.0277774065221301 6.55630819054344 6.5563081530932 2500044.518447156 0.883010706165617 828.635803067216 50.3180882112536 -59.9525168308434 71490.7165612162 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 00:35:03 2020-Jan-29 00:35

Alternate Designations
 1998 FD26 = 1989 BM = 1996 TA49 = 1998 FV144 = 1998 HX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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