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48384 (1978 VQ8)
Classification: Main-belt Asteroid          SPK-ID: 2048384
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257135775841381 4.4731e-08  
a 2.584008811372432 1.2051e-08 au
q 2.259163819185868 1.1993e-07 au
i 4.400073261774988 3.8349e-06 deg
node 222.6889862647242 5.5295e-05 deg
peri 318.6740257581188 5.6908e-05 deg
M 162.5395616300456 1.4724e-05 deg
tp 2457915.491444649434
(2017-Jun-10.99144465)
6.0661e-05 TDB
period 1517.188046117006
4.15
1.0613e-05
2.906e-08
d
yr
n .2372810680398919 1.6599e-09 deg/d
Q 2.908853803558997 1.3566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      14995 days (41.05 yr)  
   first obs. used      1978-11-05  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:11:28  

Additional Information
 Earth MOID = 1.26425 au 
 Jupiter MOID = 2.06615 au 
 T_jup = 3.408 
[ 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 14.7   n/a MPO502478  
diameter diameter 3.049 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.330   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48384 (1978 VQ8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VQ8 = 1999 XT159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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