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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06338334974263445 4.8169e-08  
a 2.976712026263336 2.3933e-08 au
q 2.788038046819581 1.3663e-07 au
i 9.915666291790316 7.8119e-06 deg
node 341.1690710201404 3.0774e-05 deg
peri 114.4049434129784 7.3349e-05 deg
M 160.909159483703 6.585e-05 deg
tp 2458162.040817184550
(2018-Feb-12.54081718)
0.00034073 TDB
period 1875.873982451155
5.14
2.2624e-05
6.194e-08
d
yr
n .1919105458937052 2.3145e-09 deg/d
Q 3.165386005707091 2.545e-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 = 1.82258 au 
 Jupiter MOID = 1.9374 au 
 T_jup = 3.235 
[ 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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