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3857 Cellino (1984 CD1)
Classification: Main-belt Asteroid          SPK-ID: 2003857
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594340599204576 2.1052e-08  
a 2.393926167026728 7.0438e-09 au
q 2.012252799067838 5.1025e-08 au
i 3.088222077993009 8.1405e-07 deg
node 48.92945265229535 1.8141e-05 deg
peri 178.319544795706 2.0405e-05 deg
M 290.3090801445118 6.4899e-06 deg
tp 2459462.401659774368
(2021-Sep-04.90165977)
2.4974e-05 TDB
period 1352.89644209435
3.70
5.971e-06
1.635e-08
d
yr
n .2660957548551924 1.1744e-09 deg/d
Q 2.775599534985619 8.1668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2716  
   data-arc span      23039 days (63.08 yr)  
   first obs. used      1958-02-24  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:15:45  

Additional Information
 Earth MOID = 1.00129 au 
 Jupiter MOID = 2.20628 au 
 T_jup = 3.511 
[ 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 13.52   n/a MPCxxxxx  
diameter diameter 5.839 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.656529 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.226   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3857 Cellino (1984 CD1)          Discovered 1984-Feb-08 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 CD1 = 1951 JA1 = 1958 DV = 1962 JK = 1978 TD6 = 1980 BQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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