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JPL Small-Body Database Browser
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15958 (1998 BE33)
Classification: Main-belt Asteroid          SPK-ID: 2015958
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2846932119892182 2.9303e-08  
a 2.695659985306007 8.1894e-09 au
q 1.928223885658432 7.9039e-08 au
i 10.30153834677677 3.7369e-06 deg
node 167.4939623356234 1.7601e-05 deg
peri 257.5407156665171 1.902e-05 deg
M 90.11713493319394 6.7173e-06 deg
tp 2458595.830036767274
(2019-Apr-22.33003677)
2.9102e-05 TDB
period 1616.575880622242
4.43
7.3668e-06
2.017e-08
d
yr
n .2226929179850382 1.0148e-09 deg/d
Q 3.463096084953583 1.0521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1566  
   data-arc span      13285 days (36.37 yr)  
   first obs. used      1983-12-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:17:24  

Additional Information
 Earth MOID = .971679 au 
 Jupiter MOID = 2.00828 au 
 T_jup = 3.288 
[ 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 14.4   n/a MPO416879  
diameter diameter 9.19 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0276   0.007 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

15958 (1998 BE33)          Discovered 1998-Jan-30 by ODAS at Caussols
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 BE33 = 1983 XB2 = 1987 SR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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