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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08741561199975827 3.8028e-08  
a 3.177694691200546 1.8286e-08 au
q 2.899914565020867 1.1899e-07 au
i 17.56564186225072 4.0738e-06 deg
node 201.2473072145358 1.2847e-05 deg
peri 336.5480455442539 2.542e-05 deg
M 140.5204914126439 2.2015e-05 deg
tp 2458392.886000393124
(2018-Oct-01.38600039)
0.00012616 TDB
period 2069.029484139099
5.66
1.7859e-05
4.89e-08
d
yr
n .17399462055022 1.5018e-09 deg/d
Q 3.455474817380225 1.9884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2215  
   data-arc span      16145 days (44.20 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:00:24  

Additional Information
 Earth MOID = 1.90787 au 
 Jupiter MOID = 1.52814 au 
 T_jup = 3.122 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457296.5 (2015-Oct-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08494469402226222 3.7952e-08  
q 2.907242663437859 1.1791e-07 au
tp 2456317.687984391246
(2013-Jan-25.18798439)
0.00013048 TDB
node 201.5172879752288 1.2832e-05 deg
peri 335.1627573247483 2.6104e-05 deg
i 17.57461182450461 4.076e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2215  
   data-arc span      16145 days (44.20 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:00:24  

Additional Information
 Jupiter MOID = 1.52814 au 
 T_jup = 3.122 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.440322244021794E-15 -4.433803271045973E-15 1.551931050741938E-13 3.816196261060548E-15 7.659198870013363E-15 6.009608456717021E-16
q -4.433803271045973E-15 1.390204351305019E-14 -6.211736049830389E-13 -7.705694277806626E-15 -3.110554114309097E-14 -1.086433121492913E-15
tp 1.551931050741938E-13 -6.211736049830389E-13 1.702564382971304E-8 -2.238382358762924E-13 2.984938323509278E-9 -4.23006200022693E-12
node 3.816196261060548E-15 -7.705694277806626E-15 -2.238382358762924E-13 1.646705252953778E-10 -1.561404444414072E-10 3.670132017855076E-13
peri 7.659198870013363E-15 -3.110554114309097E-14 2.984938323509278E-9 -1.561404444414072E-10 6.81407974023159E-10 -9.242657928277736E-13
i 6.009608456717021E-16 -1.086433121492913E-15 -4.23006200022693E-12 3.670132017855076E-13 -9.242657928277736E-13 1.661342384199874E-11

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

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