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15948 (1998 BE)
Classification: Main-belt Asteroid          SPK-ID: 2015948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06695858136561313 3.6677e-08  
a 2.712142650078443 1.2763e-08 au
q 2.530541425768015 1.0167e-07 au
i 6.53176876984297 4.3042e-06 deg
node 39.53555392018024 3.2966e-05 deg
peri 288.3293124539117 4.5467e-05 deg
M 149.734893567492 3.2165e-05 deg
tp 2458321.940809851605
(2018-Jul-22.44080985)
0.00014574 TDB
period 1631.425398805349
4.47
1.1515e-05
3.153e-08
d
yr
n .2206659282512205 1.5576e-09 deg/d
Q 2.893743874388869 1.3617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2789  
   data-arc span      13234 days (36.23 yr)  
   first obs. used      1983-11-08  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:31:31  

Additional Information
 Earth MOID = 1.52909 au 
 Jupiter MOID = 2.32825 au 
 T_jup = 3.350 
[ 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 13.3   n/a MPO332967  
diameter diameter 12.438 km 2.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.042   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

15948 (1998 BE)          Discovered 1998-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BE = 1983 VR4 = 1987 SW10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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