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15856 Yanokoji (1996 EL)
Classification: Main-belt Asteroid          SPK-ID: 2015856
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20392647300325 1.9157e-08  
a 2.372353372457943 8.2664e-09 au
q 1.888567716495229 4.5418e-08 au
i 7.870098059809393 7.9944e-07 deg
node 327.777474013578 5.6605e-06 deg
peri 262.88239865 8.4243e-06 deg
M 243.0129792391301 6.0331e-06 deg
tp 2459634.213236579105
(2022-Feb-23.71323658)
2.374e-05 TDB
period 1334.650324052895
3.65
6.9758e-06
1.91e-08
d
yr
n .2697335725411569 1.4098e-09 deg/d
Q 2.856139028420657 9.9521e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2410  
   data-arc span      25217 days (69.04 yr)  
   first obs. used      1952-02-28  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:11:16  

Additional Information
 Earth MOID = .896992 au 
 Jupiter MOID = 2.20842 au 
 T_jup = 3.503 
[ 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 13.48   n/a E2021B10  
diameter diameter 6.069 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15856 Yanokoji           Discovered 1996 Mar. 10 by K. Endate and K. Watanabe at Kitami.
Koji Yano (b. 1964) is a well-known amateur astronomer in Ehime Prefecture. A skilled photographer of nebula and star clusters, he is highly regarded for the superior technique. He is a member of the Oriental Astronomical Association.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-06-02Last Updated: 2015-06-04

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Alternate Designations
 1996 EL = 1952 DY = 1981 AR3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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