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48405 (1981 EQ46)
Classification: Main-belt Asteroid          SPK-ID: 2048405
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1372595641417427 3.7546e-08  
a 2.798647871949628 1.5161e-08 au
q 2.414506684859607 1.0852e-07 au
i 4.076232437153498 4.6776e-06 deg
node 164.6181460763418 5.2481e-05 deg
peri 232.1169936111954 5.4996e-05 deg
M 267.0903164307223 1.7874e-05 deg
tp 2459441.846101793859
(2021-Aug-15.34610179)
8.6556e-05 TDB
period 1710.097274492574
4.68
1.3896e-05
3.805e-08
d
yr
n .2105143405405522 1.7106e-09 deg/d
Q 3.18278905903965 1.7242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      14464 days (39.60 yr)  
   first obs. used      1981-02-13  
   last obs. used      2020-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:34  

Additional Information
 Earth MOID = 1.42399 au 
 Jupiter MOID = 2.24116 au 
 T_jup = 3.308 
[ 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 14.8   n/a MPO299290  
diameter diameter 6.260 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48405 (1981 EQ46)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EQ46 = 2000 GE32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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