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14806 (1981 EV25)
Classification: Main-belt Asteroid          SPK-ID: 2014806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631897085653327 3.4108e-08  
a 2.74868528419452 1.0167e-08 au
q 2.300128133728998 9.5189e-08 au
i 8.6098018985201 4.1125e-06 deg
node 173.6885354265723 2.2777e-05 deg
peri 198.9201957382699 2.5437e-05 deg
M 64.40935730612007 1.1022e-05 deg
tp 2458902.694703278503
(2020-Feb-23.19470328)
5.0656e-05 TDB
period 1664.508253206124
4.56
9.2353e-06
2.528e-08
d
yr
n .2162800931185407 1.2e-09 deg/d
Q 3.197242434660043 1.1826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2023  
   data-arc span      14632 days (40.06 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:39:50  

Additional Information
 Earth MOID = 1.30025 au 
 Jupiter MOID = 2.26851 au 
 T_jup = 3.311 
[ show covariance matrix ]

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 13.9   n/a MPO492916  
diameter diameter 4.117 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.3730 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
geometric albedo albedo 0.378   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14806 (1981 EV25)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EV25 = 1999 EJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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