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85567 (1998 BU9)
Classification: Main-belt Asteroid          SPK-ID: 2085567
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04815050861539943 5.2325e-08  
a 2.798011618851831 2.0818e-08 au
q 2.663285936292318 1.4123e-07 au
i 6.884269460386292 4.269e-06 deg
node 98.96627038547258 5.3707e-05 deg
peri 155.2850800013908 8.0794e-05 deg
M 178.8989235686756 6.1809e-05 deg
tp 2458546.971557230101
(2019-Mar-04.47155723)
0.00029099 TDB
period 1709.514139584868
4.68
1.9079e-05
5.224e-08
d
yr
n .2105861493999815 2.3503e-09 deg/d
Q 2.932737301411344 2.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      8411 days (23.03 yr)  
   first obs. used      1998-01-02  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:39  

Additional Information
 Earth MOID = 1.64989 au 
 Jupiter MOID = 2.09416 au 
 T_jup = 3.314 
[ 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 15.51   n/a E2021B10  
diameter diameter 3.646 km 0.758 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85567 (1998 BU9)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 BU9 = 2001 QG154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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