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48574 (1994 JG6)
Classification: Main-belt Asteroid          SPK-ID: 2048574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09669552197329409 4.1576e-08  
a 3.145372810161071 2.257e-08 au
q 2.84122934448194 1.3799e-07 au
i 8.339549201715363 6.3093e-06 deg
node 217.9218300132116 2.658e-05 deg
peri 291.1404924643949 4.1437e-05 deg
M 310.4951006963424 3.1154e-05 deg
tp 2459280.689786272449
(2021-Mar-07.18978627)
0.00017669 TDB
period 2037.542232726634
5.58
2.1931e-05
6.004e-08
d
yr
n .176683454319496 1.9017e-09 deg/d
Q 3.449516275840203 2.4752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:09:30  

Additional Information
 Earth MOID = 1.86542 au 
 Jupiter MOID = 1.6281 au 
 T_jup = 3.186 
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Orbital Elements at Epoch 2457150.5 (2015-May-08.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09792481038548358 4.2018e-08  
q 2.838020422018614 1.4019e-07 au
tp 2457251.208831818660
(2015-Aug-16.70883182)
0.00017139 TDB
node 218.0165493975812 2.6629e-05 deg
peri 292.3566247734498 4.0931e-05 deg
i 8.330609773390469 6.3046e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:09:30  

Additional Information
 Jupiter MOID = 1.6281 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.765516557944561E-15 -5.833173168264996E-15 2.8120081500401E-12 -5.468663783036528E-15 5.446282021682797E-13 1.503005118350539E-15
q -5.833173168264996E-15 1.965287808101679E-14 -8.981756723470594E-12 1.857338351139363E-14 -1.749629607214654E-12 -5.588038045092949E-15
tp 2.8120081500401E-12 -8.981756723470594E-12 2.937459617828725E-8 -4.2507087887514E-11 5.338044471409672E-9 6.268371207448103E-12
node -5.468663783036528E-15 1.857338351139363E-14 -4.2507087887514E-11 7.091181234934348E-10 -7.090101294195241E-10 -1.69828834862207E-11
peri 5.446282021682797E-13 -1.749629607214654E-12 5.338044471409672E-9 -7.090101294195241E-10 1.675366793549312E-9 1.787821804752111E-11
i 1.503005118350539E-15 -5.588038045092949E-15 6.268371207448103E-12 -1.69828834862207E-11 1.787821804752111E-11 3.974796924076696E-11

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 14.0   n/a MPO452832  
diameter diameter 7.958 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48574 (1994 JG6)          Discovered 1994-May-04 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 JG6 = 2001 SN308 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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