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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892539380332193 3.8989e-08  
a 2.266154884938942 7.0719e-09 au
q 1.83727614877103 8.9212e-08 au
i 5.766233520312826 4.8431e-06 deg
node 358.4356732837093 3.4181e-05 deg
peri 6.661850043206095 3.5993e-05 deg
M 353.6962762149942 1.1974e-05 deg
tp 2458622.318630377520
(2019-May-18.81863038)
4.1506e-05 TDB
period 1246.042371747088
3.41
5.8327e-06
1.597e-08
d
yr
n .2889147336901879 1.3524e-09 deg/d
Q 2.695033621106854 8.4102e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      13981 days (38.28 yr)  
   first obs. used      1981-08-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:11:28  

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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