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JPL Small-Body Database Browser
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13548 (1992 ER1)
Classification: Main-belt Asteroid          SPK-ID: 2013548
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490490504256021 3.9393e-08  
a 2.693517925541985 1.491e-08 au
q 2.292051636435614 1.0659e-07 au
i 12.63372593735455 4.709e-06 deg
node 140.4530705241771 2.3357e-05 deg
peri 354.1560831174535 2.9181e-05 deg
M 170.5764233415383 1.86e-05 deg
tp 2458235.441340499816
(2018-Apr-26.94134050)
8.1526e-05 TDB
period 1614.649387205181
4.42
1.3407e-05
3.671e-08
d
yr
n .2229586205232636 1.8513e-09 deg/d
Q 3.094984214648355 1.7132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      9925 days (27.17 yr)  
   first obs. used      1992-03-08  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:10:25  

Additional Information
 Earth MOID = 1.30629 au 
 Jupiter MOID = 1.94145 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456266.5 (2012-Dec-05.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492839315146186 3.8911e-08  
q 2.290296657967866 1.052e-07 au
tp 2456618.330389257019
(2013-Nov-21.83038926)
7.892e-05 TDB
node 140.6383960677198 2.3448e-05 deg
peri 353.4198495577016 2.9346e-05 deg
i 12.60758243335032 4.702e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      9925 days (27.17 yr)  
   first obs. used      1992-03-08  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:10:25  

Additional Information
 Jupiter MOID = 1.94145 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.514083987614556E-15 -4.065659507630061E-15 4.57485426442235E-13 -3.308652983989333E-15 1.087224407252928E-13 2.145017216498191E-17
q -4.065659507630061E-15 1.106719006985815E-14 -1.082757367113878E-12 9.880234467002649E-15 -2.680279610963647E-13 -2.913614349623529E-17
tp 4.57485426442235E-13 -1.082757367113878E-12 6.228418117647158E-9 -1.544365412562531E-11 1.424811727507135E-9 -1.037885734698599E-12
node -3.308652983989333E-15 9.880234467002649E-15 -1.544365412562531E-11 5.498263355079607E-10 -5.396742814190395E-10 2.216458727396893E-11
peri 1.087224407252928E-13 -2.680279610963647E-13 1.424811727507135E-9 -5.396742814190395E-10 8.612163203105236E-10 -2.182585373149327E-11
i 2.145017216498191E-17 -2.913614349623529E-17 -1.037885734698599E-12 2.216458727396893E-11 -2.182585373149327E-11 2.210878059404864E-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 13.7   n/a MPO492902  
diameter diameter 5.255 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13548 (1992 ER1)          Discovered 1992-Mar-08 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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