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48440 (1989 YO2)
Classification: Main-belt Asteroid          SPK-ID: 2048440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393255954637632 2.8711e-08  
a 2.236136913883472 6.8927e-09 au
q 1.924585806818155 6.3442e-08 au
i 6.607792330709861 3.6884e-06 deg
node 110.1441593266608 3.1705e-05 deg
peri 313.8588995342417 3.5559e-05 deg
M 73.97643539247241 1.54e-05 deg
tp 2458749.521272389580
(2019-Sep-23.02127239)
5.1989e-05 TDB
period 1221.366526521566
3.34
5.6471e-06
1.546e-08
d
yr
n .2947518146131568 1.3628e-09 deg/d
Q 2.547688020948788 7.853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      13745 days (37.63 yr)  
   first obs. used      1982-10-22  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:22  

Additional Information
 Earth MOID = .945063 au 
 Jupiter MOID = 2.72978 au 
 T_jup = 3.617 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO449310  
diameter diameter 1.987 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.372   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48440 (1989 YO2)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 YO2 = 1982 UQ9 = 1999 XY93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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