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48408 (1982 VN2)
Classification: Main-belt Asteroid          SPK-ID: 2048408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863226481554804 2.6109e-08  
a 2.544393787862347 9.2369e-09 au
q 2.070315599357481 6.688e-08 au
i 12.26268983292716 7.1216e-06 deg
node 331.5440390176008 1.2347e-05 deg
peri 75.52041981093058 2.6346e-05 deg
M 191.3380580902735 2.2453e-05 deg
tp 2460091.027605338951
(2023-May-26.52760534)
9.4006e-05 TDB
period 1482.432462777208
4.06
8.0725e-06
2.21e-08
d
yr
n .2428441153572496 1.3224e-09 deg/d
Q 3.018471976367213 1.0958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      14090 days (38.58 yr)  
   first obs. used      1982-11-14  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:58:45  

Additional Information
 Earth MOID = 1.1173 au 
 Jupiter MOID = 2.51239 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839814494051048 2.5991e-08  
q 2.077287637906897 6.6533e-08 au
tp 2457123.466638398233
(2015-Apr-10.96663840)
9.0527e-05 TDB
node 331.6408103571338 1.2322e-05 deg
peri 75.25800585186001 2.6731e-05 deg
i 12.274858980957 7.1263e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      14090 days (38.58 yr)  
   first obs. used      1982-11-14  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:58:45  

Additional Information
 Jupiter MOID = 2.51239 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.755400258936606E-16 -1.717994197713101E-15 -1.157128438246065E-12 4.8784864263389E-15 -3.090052251419473E-13 2.246613458455246E-15
q -1.717994197713101E-15 4.426575251523234E-15 3.134742491113533E-12 -1.331929578479686E-14 8.349318372443032E-13 -5.892693296128795E-15
tp -1.157128438246065E-12 3.134742491113533E-12 8.195133624032956E-9 -3.631143650029434E-11 2.150382717944645E-9 -5.627247877507723E-12
node 4.8784864263389E-15 -1.331929578479686E-14 -3.631143650029434E-11 1.518215043803759E-10 -1.573072455963196E-10 -1.047676702017274E-11
peri -3.090052251419473E-13 8.349318372443032E-13 2.150382717944645E-9 -1.573072455963196E-10 7.14557787870566E-10 8.775410983611524E-12
i 2.246613458455246E-15 -5.892693296128795E-15 -5.627247877507723E-12 -1.047676702017274E-11 8.775410983611524E-12 5.078353867465393E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.49   n/a E2021B10  
diameter diameter 4.173 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48408 (1982 VN2)          Discovered 1982-Nov-14 by Kosai, H., Hurukawa, K. at Kiso
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1982 VN2 = 2000 GG178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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