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101538 (1998 YO15)
Classification: Main-belt Asteroid          SPK-ID: 2101538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442162385091378 5.6485e-08  
a 3.049723296410418 3.1035e-08 au
q 2.609903674108419 1.8412e-07 au
i 1.23682897301397 5.9729e-06 deg
node 38.59984934489575 0.0002652 deg
peri 3.720369463677918 0.00026612 deg
M 62.18685656412974 2.4919e-05 deg
tp 2458664.464479627056
(2019-Jun-29.96447963)
0.00013147 TDB
period 1945.311180176916
5.33
2.9695e-05
8.13e-08
d
yr
n .1850603665205172 2.8249e-09 deg/d
Q 3.489542918712417 3.5511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7683 days (21.03 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:02:48  

Additional Information
 Earth MOID = 1.6185 au 
 Jupiter MOID = 1.91208 au 
 T_jup = 3.221 
[ 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 15.7   n/a MPO412743  
diameter diameter 4.632 km 1.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101538 (1998 YO15)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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