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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 ]

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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 .1257135788392297 4.4774e-08  
a 2.58400881245297 1.2177e-08 au
q 2.259163816887399 1.1999e-07 au
i 4.400073248401124 3.8349e-06 deg
node 222.6889775991067 5.7343e-05 deg
peri 318.6740322647389 5.8986e-05 deg
M 162.5395631440879 1.4929e-05 deg
tp 2457915.491437838969
(2017-Jun-10.99143784)
6.1662e-05 TDB
period 1517.188047068655
4.15
1.0724e-05
2.936e-08
d
yr
n .2372810678910585 1.6773e-09 deg/d
Q 2.908853808018541 1.3708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1294  
   data-arc span      14971 days (40.99 yr)  
   first obs. used      1978-11-05  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:36:57  

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 14.6   n/a MPO452830  
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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