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15455 (1998 YJ3)
Classification: Main-belt Asteroid          SPK-ID: 2015455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533821048388468 4.8576e-08  
a 2.257813166067681 7.3183e-09 au
q 1.91150503032336 1.084e-07 au
i 5.97933723017097 3.7515e-06 deg
node 309.9203429247047 4.0036e-05 deg
peri 39.11735808877373 4.2113e-05 deg
M 269.2627115686703 1.5554e-05 deg
tp 2459512.830016923713
(2021-Oct-25.33001692)
5.4257e-05 TDB
period 1239.16868176671
3.39
6.0249e-06
1.65e-08
d
yr
n .2905173486847167 1.4125e-09 deg/d
Q 2.604121301812003 8.4408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1468  
   data-arc span      11988 days (32.82 yr)  
   first obs. used      1987-07-28  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:12  

Additional Information
 Earth MOID = .906954 au 
 Jupiter MOID = 2.80513 au 
 T_jup = 3.599 
[ 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 14.86   n/a E2021B10  
diameter diameter 2.356 km 0.605 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.504   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15455 (1998 YJ3)          Discovered 1998-Dec-17 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YJ3 = 1987 OB1 = 1989 AM6 = 1994 TR15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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