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85560 (1998 BN)
Classification: Main-belt Asteroid          SPK-ID: 2085560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06417664892804838 4.8178e-08  
a 2.974217958063756 2.4362e-08 au
q 2.783342616333601 1.3699e-07 au
i 9.917121472274744 7.8136e-06 deg
node 341.2031043265105 3.078e-05 deg
peri 113.935722906514 7.2451e-05 deg
M 84.4956796851902 6.4692e-05 deg
tp 2458160.766434537511
(2018-Feb-11.26643454)
0.00033561 TDB
period 1873.516896441302
5.13
2.3019e-05
6.302e-08
d
yr
n .1921519900267838 2.3609e-09 deg/d
Q 3.16509329979391 2.5925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:39  

Additional Information
 Earth MOID = 1.81824 au 
 Jupiter MOID = 1.94168 au 
 T_jup = 3.236 
[ 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 14.1   n/a MPO385350  
diameter diameter 5.259 km 0.548 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85560 (1998 BN)          Discovered 1998-Jan-18 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 BN = 2001 RT70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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