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2440 Educatio (1978 VQ4)
Classification: Main-belt Asteroid          SPK-ID: 2002440
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631708544331079 3.3115e-08  
a 2.21558077005343 6.3006e-09 au
q 1.854062562738249 7.4326e-08 au
i 4.105792715860954 3.4646e-06 deg
node 227.1922212037402 5.0193e-05 deg
peri 77.85077272851763 5.1387e-05 deg
M 316.354203659143 1.1703e-05 deg
tp 2459146.539295269446
(2020-Oct-24.03929527)
3.9215e-05 TDB
period 1204.563800060302
3.30
5.1382e-06
1.407e-08
d
yr
n .2988633727677836 1.2748e-09 deg/d
Q 2.577098977368612 7.3286e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2775  
   data-arc span      33487 days (91.68 yr)  
   first obs. used      1928-08-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:39:50  

Additional Information
 Earth MOID = .844338 au 
 Jupiter MOID = 2.64981 au 
 T_jup = 3.633 
[ 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 13.2   n/a MPO473798  
diameter diameter 6.586 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 1561. 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:
[Rowe, B. (2018) Minor Planet Bull. 45, 203-207.]
geometric albedo albedo 0.247   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2440 Educatio (1978 VQ4)          Discovered 1978-Nov-07 by Helin, E. F. and Bus, S. J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1978 VQ4 = 1928 QH = 1954 JK = 1968 US1 = 1977 JG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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