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JPL Small-Body Database Browser
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80048 (1999 JG54)
Classification: Main-belt Asteroid          SPK-ID: 2080048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674884374374069 4.2549e-08  
a 3.15823835011986 3.1655e-08 au
q 2.62926994380339 1.4013e-07 au
i 10.33785273960013 5.0484e-06 deg
node 53.42750202381817 3.1978e-05 deg
peri 197.1192684293677 4.0253e-05 deg
M 264.2708305506538 2.9923e-05 deg
tp 2459545.639399333924
(2021-Nov-27.13939933)
0.00017665 TDB
period 2050.056266956916
5.61
3.0822e-05
8.439e-08
d
yr
n .1756049362168876 2.6401e-09 deg/d
Q 3.687206756436329 3.6957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      10663 days (29.19 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:46  

Additional Information
 Earth MOID = 1.61752 au 
 Jupiter MOID = 1.357 au 
 T_jup = 3.159 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456917.5 (2014-Sep-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680800029305231 4.2898e-08  
q 2.63086498268356 1.4199e-07 au
tp 2457490.568746571751
(2016-Apr-12.06874657)
0.00015276 TDB
node 53.5751105737941 3.1972e-05 deg
peri 196.0521768801141 4.006e-05 deg
i 10.33663686794574 5.0454e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      10663 days (29.19 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:46  

Additional Information
 Jupiter MOID = 1.357 au 
 T_jup = 3.159 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.840224115244609E-15 -5.979915948959136E-15 -1.753514879543549E-12 -2.337640033827407E-14 -2.219921783034807E-13 2.485093330160646E-15
q -5.979915948959136E-15 2.016205987683472E-14 8.512939615592862E-12 8.768968918865051E-14 1.128944112736971E-12 -9.339337094142959E-15
tp -1.753514879543549E-12 8.512939615592862E-12 2.333524519360088E-8 4.52949144206223E-12 3.728031105367335E-9 6.491996609780659E-12
node -2.337640033827407E-14 8.768968918865051E-14 4.52949144206223E-12 1.022206377545408E-9 -1.006150232378327E-9 -3.260010568705355E-11
peri -2.219921783034807E-13 1.128944112736971E-12 3.728031105367335E-9 -1.006150232378327E-9 1.604793675352504E-9 3.33339434705545E-11
i 2.485093330160646E-15 -9.339337094142959E-15 6.491996609780659E-12 -3.260010568705355E-11 3.33339434705545E-11 2.54560054169322E-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 14.5   n/a MPO253840  
diameter diameter 3.592 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80048 (1999 JG54)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JG54 = 2000 PE28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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