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4152 Weber (1985 JF)
Classification: Main-belt Asteroid          SPK-ID: 2004152
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08842990018705638 3.801e-08  
a 3.174679068808484 1.7949e-08 au
q 2.893942515627813 1.1894e-07 au
i 17.58335676088301 4.0587e-06 deg
node 201.1910201105824 1.2691e-05 deg
peri 336.4495936749572 2.4806e-05 deg
M 174.7836502084604 2.1569e-05 deg
tp 2458393.394817882291
(2018-Oct-01.89481788)
0.00012299 TDB
period 2066.084929177748
5.66
1.7522e-05
4.797e-08
d
yr
n .1742425952176473 1.4777e-09 deg/d
Q 3.455415621989156 1.9536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2259  
   data-arc span      16319 days (44.68 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43693  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:59:36  

Additional Information
 Earth MOID = 1.90338 au 
 Jupiter MOID = 1.52764 au 
 T_jup = 3.122 
[ 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 12.13   n/a E2021B10  
diameter diameter 19.604 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4152 Weber (1985 JF)          Discovered 1985-May-15 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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-Mar-12 07:37 < 00:01 Jupiter 1.6788619950978 1.67886126621358 1.67886272398356 4.98682256368615 4.88460393885769 2447232.817049767 0.773443298995332 109.730196044594 22.672969375287 74.9069406310555 4699214.13083295 T 34 CATAB v2.0g-lin.ifort 2021-Jul-07 23:00:01 2021-Jul-07 23:00
1999-Feb-18 05:03 < 00:01 Jupiter 1.58209567716824 1.58209527751438 1.58209607682218 4.76192363896786 4.64813474225931 2451227.710617322 0.462211126436854 90.917997991134 19.1587118994653 -87.9903076018809 3902347.44811679 T 34 CATAB v2.0g-lin.ifort 2021-Jul-07 23:00:01 2021-Jul-07 23:00
2009-Dec-11 02:41 < 00:01 Jupiter 1.93269234879508 1.93269177327737 1.93269292431279 3.69392722045219 3.57331464065247 2455176.612026294 0.356909615813017 76.8470072682787 28.8059940942218 -89.4944907228318 3127494.27070931 T 34 CATAB v2.0g-lin.ifort 2021-Jul-07 23:00:01 2021-Jul-07 23:00
2106-Dec-27 21:03 00:02 Jupiter 1.73978256846115 1.73978108324998 1.73978405368181 4.91255300855419 4.81242831562893 2490621.377339866 1.94537533916324 230.795405246796 25.8066260452241 72.2744097248802 4507810.40632227 T 34 CATAB v2.0g-lin.ifort 2021-Jul-07 23:00:01 2021-Jul-07 23:00
2117-Nov-30 12:37 00:02 Jupiter 1.55284671923468 1.5528461500902 1.55284728839478 4.84864574708759 4.73481117895555 2494612.025622570 2.07609004503049 332.112682911886 18.1651131424588 -86.1522163748327 4062949.13685022 T 34 CATAB v2.0g-lin.ifort 2021-Jul-07 23:00:01 2021-Jul-07 23:00
2128-Oct-11 21:25 00:03 Jupiter 1.85045128532966 1.85044892482952 1.85045364583484 4.11357865261368 4.00075650830874 2498580.392542495 2.95957775839611 202.988155044218 44.6996318162245 -53.3314643430436 2945779.46666107 T 34 CATAB v2.0g-lin.ifort 2021-Jul-07 23:00:01 2021-Jul-07 23:00

Alternate Designations
 1985 JF = 1976 UO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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