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JPL Small-Body Database Browser
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71227 (1999 YO15)
Classification: Main-belt Asteroid          SPK-ID: 2071227
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06406603884202657 3.6883e-08  
a 2.65087947258275 1.3469e-08 au
q 2.481048125326733 9.8281e-08 au
i 2.739797464449911 4.87e-06 deg
node 190.4882030941411 7.9923e-05 deg
peri 247.7302430528471 8.8208e-05 deg
M 257.8944528092242 3.7023e-05 deg
tp 2459447.626321141037
(2021-Aug-21.12632114)
0.00016268 TDB
period 1576.46161290358
4.32
1.2015e-05
3.29e-08
d
yr
n .2283595090761137 1.7404e-09 deg/d
Q 2.820710819838768 1.4332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9115 days (24.96 yr)  
   first obs. used      1994-09-05  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:22:55  

Additional Information
 Earth MOID = 1.49798 au 
 Jupiter MOID = 2.3275 au 
 T_jup = 3.386 
[ 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 15.4   n/a MPO436281  
diameter diameter 3.041 km 0.746 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71227 (1999 YO15)          Discovered 1999-Dec-31 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 YO15 = 1994 RL27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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