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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674884379016334 4.6274e-08  
a 3.158238349898761 3.2952e-08 au
q 2.629269942153185 1.4874e-07 au
i 10.33785437451047 6.1539e-06 deg
node 53.42749490160824 3.5508e-05 deg
peri 197.1192750185844 4.366e-05 deg
M 264.2708310063315 3.0388e-05 deg
tp 2459545.639396681776
(2021-Nov-27.13939668)
0.00017884 TDB
period 2050.056266741638
5.61
3.2085e-05
8.784e-08
d
yr
n .175604936235328 2.7483e-09 deg/d
Q 3.687206757644336 3.8471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      10637 days (29.12 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:34:09  

Additional Information
 Earth MOID = 1.61752 au 
 Jupiter MOID = 1.357 au 
 T_jup = 3.159 
[ 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 14.5   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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