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JPL Small-Body Database Browser
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74052 (1998 JB1)
Classification: Main-belt Asteroid          SPK-ID: 2074052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287078891955141 3.7341e-08  
a 2.383304609229987 1.1861e-08 au
q 2.076554503666056 8.8393e-08 au
i 6.834204189662627 3.9372e-06 deg
node 56.28081258944392 3.8383e-05 deg
peri 225.8709911489707 4.2745e-05 deg
M 201.0013292218842 2.0676e-05 deg
tp 2459194.051967758574
(2020-Dec-10.55196776)
7.7829e-05 TDB
period 1343.902482626899
3.68
1.0032e-05
2.747e-08
d
yr
n .2678765793306039 1.9997e-09 deg/d
Q 2.690054714793918 1.3388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:08:26  

Additional Information
 Earth MOID = 1.06641 au 
 Jupiter MOID = 2.43193 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456738.5 (2014-Mar-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296897651124929 3.7432e-08  
q 2.073736759585842 8.8702e-08 au
tp 2456505.411350561763
(2013-Jul-31.91135056)
7.6205e-05 TDB
node 56.35088431330033 3.8401e-05 deg
peri 225.6055031728049 4.2688e-05 deg
i 6.833709680145493 3.9362e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:08:26  

Additional Information
 Jupiter MOID = 2.43193 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.401139969399624E-15 -3.298224392659007E-15 7.504584090317951E-13 -7.780561616840719E-16 1.806660075401085E-13 3.623282577055245E-16
q -3.298224392659007E-15 7.868015267122192E-15 -1.854019277839358E-12 2.353884402443043E-15 -4.439156138737059E-13 -5.944488105896767E-16
tp 7.504584090317951E-13 -1.854019277839358E-12 5.807246705654216E-9 1.135899811338667E-11 1.445472646100929E-9 1.649046970515591E-12
node -7.780561616840719E-16 2.353884402443043E-15 1.135899811338667E-11 1.474650409684219E-9 -1.460964020306711E-9 -1.829858145808355E-11
peri 1.806660075401085E-13 -4.439156138737059E-13 1.445472646100929E-9 -1.460964020306711E-9 1.822248743867271E-9 1.853767298384098E-11
i 3.623282577055245E-16 -5.944488105896767E-16 1.649046970515591E-12 -1.829858145808355E-11 1.853767298384098E-11 1.549345603300542E-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 15.1   n/a MPO459334  
diameter diameter 2.269 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.376   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74052 (1998 JB1)          Discovered 1998-May-01 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 JB1 = 1999 TF154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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