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JPL Small-Body Database Browser
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3975 Verdi (1982 UR3)
Classification: Main-belt Asteroid          SPK-ID: 2003975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05341771194083095 3.0585e-08  
a 2.897969489789769 1.1741e-08 au
q 2.743166590370862 8.9082e-08 au
i 1.292729612203994 3.5311e-06 deg
node 204.7129525388863 0.00015483 deg
peri 246.5708315225228 0.00015852 deg
M 142.0695952640658 3.3847e-05 deg
tp 2458289.388368113243
(2018-Jun-19.88836811)
0.00016892 TDB
period 1801.935079799469
4.93
1.0951e-05
2.998e-08
d
yr
n .1997852220292327 1.2142e-09 deg/d
Q 3.052772389208676 1.2368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2605  
   data-arc span      25491 days (69.79 yr)  
   first obs. used      1950-04-17  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:00:48  

Additional Information
 Earth MOID = 1.76008 au 
 Jupiter MOID = 2.04708 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456357.5 (2013-Mar-06.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .055441863607767 3.0564e-08  
q 2.739409579071267 8.9685e-08 au
tp 2456498.459926733679
(2013-Jul-24.95992673)
0.00016224 TDB
node 204.8617141444486 0.00015473 deg
peri 248.8052679698863 0.00015816 deg
i 1.292583333754258 3.533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2605  
   data-arc span      25491 days (69.79 yr)  
   first obs. used      1950-04-17  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:00:48  

Additional Information
 Jupiter MOID = 2.04708 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.341609649637173E-16 -2.719378571534844E-15 -6.021773460282449E-14 -9.623258969573425E-16 -9.764774970249874E-15 -9.913170984313831E-18
q -2.719378571534844E-15 8.04343454719082E-15 1.483849129289554E-13 3.042850446563954E-15 2.06907860131747E-14 3.482718326026898E-17
tp -6.021773460282449E-14 1.483849129289554E-13 2.632295986781237E-8 -1.732522059286681E-11 5.327555870896214E-9 -3.742141466344333E-13
node -9.623258969573425E-16 3.042850446563954E-15 -1.732522059286681E-11 2.394147121187656E-8 -2.393851914944499E-8 9.583794192854163E-12
peri -9.764774970249874E-15 2.06907860131747E-14 5.327555870896214E-9 -2.393851914944499E-8 2.501331989457877E-8 -9.655442595923424E-12
i -9.913170984313831E-18 3.482718326026898E-17 -3.742141466344333E-13 9.583794192854163E-12 -9.655442595923424E-12 1.248217890524757E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO473820  
diameter diameter 9.685 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.158 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.281   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3975 Verdi (1982 UR3)          Discovered 1982-Oct-19 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 UR3 = 1952 RE = 1953 VQ2 = 1975 EJ5 = 1977 QU3 = 1977 RO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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