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48407 (1981 QL2)
Classification: Main-belt Asteroid          SPK-ID: 2048407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892539364430086 4.0213e-08  
a 2.26615488522771 7.2979e-09 au
q 1.837276152608811 9.2324e-08 au
i 5.76623360511002 4.9991e-06 deg
node 358.4356732532584 3.4257e-05 deg
peri 6.661850286604037 3.6095e-05 deg
M 353.6962758357575 1.2198e-05 deg
tp 2458622.318631694315
(2019-May-18.81863169)
4.2286e-05 TDB
period 1246.042371985256
3.41
6.0191e-06
1.648e-08
d
yr
n .2889147336349649 1.3956e-09 deg/d
Q 2.695033617846608 8.6791e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      13940 days (38.17 yr)  
   first obs. used      1981-08-27  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:36:56  

Additional Information
 Earth MOID = .834552 au 
 Jupiter MOID = 2.76057 au 
 T_jup = 3.586 
[ 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 15.0   n/a MPO449310  
diameter diameter 3.474 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48407 (1981 QL2)          Discovered 1981-Aug-27 by Debehogne, H. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 QL2 = 1997 EA53 = 1998 QC16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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