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JPL Small-Body Database Browser
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80072 (1999 JT98)
Classification: Main-belt Asteroid          SPK-ID: 2080072
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500647653733622 4.3912e-08  
a 3.078574874596671 2.1648e-08 au
q 2.616589258355993 1.368e-07 au
i 11.66423002464701 6.0639e-06 deg
node 196.900927543882 2.1015e-05 deg
peri 54.99781164343678 2.9072e-05 deg
M 313.0634377818571 1.8898e-05 deg
tp 2459257.736021699262
(2021-Feb-12.23602170)
0.00010412 TDB
period 1972.981476175067
5.40
2.081e-05
5.697e-08
d
yr
n .1824649670294504 1.9246e-09 deg/d
Q 3.540560490837348 2.4897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      8890 days (24.34 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:52:35  

Additional Information
 Earth MOID = 1.62429 au 
 Jupiter MOID = 1.54735 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456745.5 (2014-Mar-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492705153053646 4.4261e-08  
q 2.62178525098217 1.3749e-07 au
tp 2457279.350160221103
(2015-Sep-13.85016022)
0.00010196 TDB
node 196.9616034872105 2.1024e-05 deg
peri 54.13600463295684 2.909e-05 deg
i 11.65671304040502 6.0612e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      8890 days (24.34 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:52:35  

Additional Information
 Jupiter MOID = 1.54735 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.958997261539833E-15 -6.030278006390307E-15 -1.752615996314015E-12 8.517017739382723E-15 -3.427722444840553E-13 -1.758868792442364E-15
q -6.030278006390307E-15 1.890260219459836E-14 5.418483256785428E-12 -2.889408185928096E-14 1.031934380423395E-12 9.404781539531885E-15
tp -1.752615996314015E-12 5.418483256785428E-12 1.03960187524789E-8 -2.338606369317874E-11 2.062413005404757E-9 2.70572900573101E-12
node 8.517017739382723E-15 -2.889408185928096E-14 -2.338606369317874E-11 4.420214989559861E-10 -4.368166579825836E-10 6.994703282215285E-12
peri -3.427722444840553E-13 1.031934380423395E-12 2.062413005404757E-9 -4.368166579825836E-10 8.462329394224968E-10 -6.184274852167294E-12
i -1.758868792442364E-15 9.404781539531885E-15 2.70572900573101E-12 6.994703282215285E-12 -6.184274852167294E-12 3.673820905406405E-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 14.6   n/a MPO432349  
diameter diameter 6.405 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80072 (1999 JT98)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JT98 = 2000 SS48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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