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JPL Small-Body Database Browser
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39966 (1998 FB141)
Classification: Main-belt Asteroid          SPK-ID: 2039966
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392551864638911 4.2502e-08  
a 2.548474200633814 1.3017e-08 au
q 1.938738530562755 1.0741e-07 au
i 3.963294701628631 4.1003e-06 deg
node 215.7613582281724 8.9134e-05 deg
peri 37.49516826192938 9.0374e-05 deg
M 111.7900486543534 1.5787e-05 deg
tp 2458539.055543143645
(2019-Feb-24.55554314)
6.5221e-05 TDB
period 1485.999929939369
4.07
1.1385e-05
3.117e-08
d
yr
n .2422611150558322 1.8561e-09 deg/d
Q 3.158209870704872 1.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      13653 days (37.38 yr)  
   first obs. used      1982-07-20  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:12:06  

Additional Information
 Earth MOID = .926168 au 
 Jupiter MOID = 1.89566 au 
 T_jup = 3.398 
[ 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 16.0   n/a MPO493127  

39966 (1998 FB141)          Discovered 1998-Mar-29 by LINEAR at Socorro
Reference: 20020526/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
1988-Jan-26 17:45 < 00:01 Jupiter 1.99038326285533 1.99038275409994 1.9903837716105 2.11545117793886 1.90368555593161 2447187.239591568 0.585010039398173 63.584280813003 20.9339095934974 -77.3476788774416 2004615.58220698 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 03:12:14 2019-Dec-14 03:12
2000-Jul-22 10:07 < 00:01 Jupiter 1.8826947331104 1.88269442290526 1.88269504331549 1.70297625615342 1.41433026149211 2451747.921315375 0.319183613607019 96.6808917041051 48.847421718889 -62.3835857195602 2392407.69729991 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 03:12:14 2019-Dec-14 03:12
2013-Jan-11 16:16 < 00:01 Jupiter 1.91594872078946 1.91594834326023 1.91594909831879 1.61290396627307 1.31044970367613 2456304.177444242 0.173967132278569 112.705513703329 61.0721762578086 -51.927989089974 2272129.15775709 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 03:12:14 2019-Dec-14 03:12
2118-Aug-30 05:36 00:02 Jupiter 1.98250804292146 1.98250685848927 1.98250922735398 2.09080907790314 1.87536307990361 2494884.733077600 1.97779757618417 111.817960098679 24.3750805096201 -88.4958686126935 1410071.31711149 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 03:12:14 2019-Dec-14 03:12
2131-Feb-23 16:37 00:02 Jupiter 1.88479701898409 1.88479657461602 1.88479746335227 1.6830590299446 1.39064491678491 2499445.192637832 2.16113657876536 131.311478515554 78.3170253797704 76.6943789843117 1548170.58923513 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 03:12:14 2019-Dec-14 03:12
2143-Aug-15 16:36 00:02 Jupiter 1.92915175232762 1.92915097082638 1.92915253383028 1.59260560362598 1.28773565817235 2504001.191532014 2.44632417669249 127.743723657953 96.8174110440394 -77.63070234171 2118782.08153891 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 03:12:14 2019-Dec-14 03:12

Alternate Designations
 1998 FB141 = 1995 UK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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