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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05281989387283313 1.5254e-08  
a 2.899612402072627 1.0468e-08 au
q 2.7464551827228 4.5689e-08 au
i 1.292253578447797 1.0909e-06 deg
node 204.6815485383795 5.7704e-05 deg
peri 246.7112095652106 6.4411e-05 deg
M 181.9088052238876 2.3735e-05 deg
tp 2460092.671398844557
(2023-May-28.17139884)
0.00012098 TDB
period 1803.467622235982
4.94
9.7657e-06
2.674e-08
d
yr
n .1996154494604474 1.0809e-09 deg/d
Q 3.052769621422454 1.102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3000  
   data-arc span      25719 days (70.41 yr)  
   first obs. used      1950-04-17  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:47:46  

Additional Information
 Earth MOID = 1.7631 au 
 Jupiter MOID = 2.04507 au 
 T_jup = 3.285 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.42   n/a MPCxxxxx  
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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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