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85572 (1998 BY28)
Classification: Main-belt Asteroid          SPK-ID: 2085572
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593367442080987 4.8679e-08  
a 3.139023097555574 2.7295e-08 au
q 2.638861377197048 1.5951e-07 au
i 17.14165847089616 6.9564e-06 deg
node 312.8693745493392 1.5758e-05 deg
peri 279.734763638973 2.6694e-05 deg
M 357.1326828502256 2.2734e-05 deg
tp 2459412.679437749122
(2021-Jul-17.17943775)
0.00012832 TDB
period 2031.375423588023
5.56
2.6495e-05
7.254e-08
d
yr
n .1772198264386458 2.3115e-09 deg/d
Q 3.6391848179141 3.1644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      8557 days (23.43 yr)  
   first obs. used      1998-01-25  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:01  

Additional Information
 Earth MOID = 1.69495 au 
 Jupiter MOID = 1.85268 au 
 T_jup = 3.123 
[ 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 14.27   n/a MPO637174  
diameter diameter 8.203 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85572 (1998 BY28)          Discovered 1998-Jan-25 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 BY28 = 2000 QX157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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