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15895 (1997 JJ15)
Classification: Main-belt Asteroid          SPK-ID: 2015895
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364257107261673 3.3984e-08  
a 2.278521697746414 7.0767e-09 au
q 1.967672755726366 7.8292e-08 au
i 5.486022677095865 3.897e-06 deg
node 211.3988429570113 4.0254e-05 deg
peri 84.92922922486062 4.2768e-05 deg
M 258.4813271369665 1.4351e-05 deg
tp 2459554.759585929437
(2021-Dec-06.25958593)
5.019e-05 TDB
period 1256.256089031643
3.44
5.8526e-06
1.602e-08
d
yr
n .2865657751975538 1.335e-09 deg/d
Q 2.589370639766462 8.0421e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1928  
   data-arc span      10724 days (29.36 yr)  
   first obs. used      1991-11-05  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:12:07  

Additional Information
 Earth MOID = .959253 au 
 Jupiter MOID = 2.59067 au 
 T_jup = 3.589 
[ 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 14.54   n/a E2021B10  
diameter diameter 2.762 km 0.638 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.441   0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15895 (1997 JJ15)          Discovered 1997-May-03 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 JJ15 = 1998 WG15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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