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15956 (1998 BY24)
Classification: Main-belt Asteroid          SPK-ID: 2015956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01642570045484692 3.0868e-08  
a 2.843435245152878 1.061e-08 au
q 2.796729829553243 8.6156e-08 au
i 1.214905062970576 3.1299e-06 deg
node 278.1597376173688 0.00015438 deg
peri 2.013323348810231 0.00018514 deg
M 179.0732821252087 0.00010253 deg
tp 2458525.352422680609
(2019-Feb-10.85242268)
0.00049854 TDB
period 1751.311664772532
4.79
9.8022e-06
2.684e-08
d
yr
n .2055602136623457 1.1505e-09 deg/d
Q 2.890140660752513 1.0784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2206  
   data-arc span      14450 days (39.56 yr)  
   first obs. used      1981-10-01  
   last obs. used      2021-04-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:31:54  

Additional Information
 Earth MOID = 1.78003 au 
 Jupiter MOID = 2.10891 au 
 T_jup = 3.308 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457389.5 (2016-Jan-02.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0185214591548577 3.0431e-08  
q 2.790202008779132 8.5124e-08 au
tp 2456797.175124282637
(2014-May-19.67512428)
0.00044761 TDB
node 278.3536573837042 0.00015496 deg
peri 6.534950785147863 0.00018018 deg
i 1.212076944245929 3.1259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2206  
   data-arc span      14450 days (39.56 yr)  
   first obs. used      1981-10-01  
   last obs. used      2021-04-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:31:54  

Additional Information
 Jupiter MOID = 2.10891 au 
 T_jup = 3.308 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.260549518885926E-16 -2.571708829942537E-15 -7.520618462085008E-13 3.338308129371178E-15 -1.876686459913902E-13 -5.232597295209716E-18
q -2.571708829942537E-15 7.246160175605055E-15 2.103611037271291E-12 -8.881603883124065E-15 5.29532254756676E-13 1.064496812842213E-16
tp -7.520618462085008E-13 2.103611037271291E-12 2.003514872090606E-7 -1.742782802134029E-11 4.116355980501337E-8 -1.643503386320509E-12
node 3.338308129371178E-15 -8.881603883124065E-15 -1.742782802134029E-11 2.401304620278654E-8 -2.401116181395518E-8 -5.704268859788949E-11
peri -1.876686459913902E-13 5.29532254756676E-13 4.116355980501337E-8 -2.401116181395518E-8 3.246601814270519E-8 5.669815144136553E-11
i -5.232597295209716E-18 1.064496812842213E-16 -1.643503386320509E-12 -5.704268859788949E-11 5.669815144136553E-11 9.771190078362274E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.82   n/a MPCxxxxx  
diameter diameter 4.700 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.265   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15956 (1998 BY24)          Discovered 1998-Jan-28 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BY24 = 1996 VR18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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