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100548 (1997 EA36)
Classification: Main-belt Asteroid          SPK-ID: 2100548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09096255880388537 7.4325e-08  
a 2.522908796735384 8.2886e-09 au
q 2.293418556955503 1.8826e-07 au
i 2.26593951277345 3.9716e-06 deg
node 119.3237934992855 9.7508e-05 deg
peri 28.86971392151499 9.9667e-05 deg
M 337.6376196408982 1.8564e-05 deg
tp 2459291.421435252687
(2021-Mar-17.92143525)
7.549e-05 TDB
period 1463.69555321713
4.01
7.2131e-06
1.975e-08
d
yr
n .2459527865673554 1.2121e-09 deg/d
Q 2.752399036515266 9.0425e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1307  
   data-arc span      16098 days (44.07 yr)  
   first obs. used      1977-02-13  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:41  

Additional Information
 Earth MOID = 1.305 au 
 Jupiter MOID = 2.23848 au 
 T_jup = 3.448 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457353.5 (2015-Nov-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09003171654636408 7.4878e-08  
q 2.295679850382939 1.8956e-07 au
tp 2457830.242639041888
(2017-Mar-17.74263904)
7.5654e-05 TDB
node 119.3616651028234 9.7584e-05 deg
peri 29.39121270043675 9.9731e-05 deg
i 2.265496658073092 3.9708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1307  
   data-arc span      16098 days (44.07 yr)  
   first obs. used      1977-02-13  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:41  

Additional Information
 Jupiter MOID = 2.23848 au 
 T_jup = 3.448 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.606655815897158E-15 -1.418251668066915E-14 2.836027023797457E-12 5.645710828803169E-14 9.202393851678808E-13 4.734255179488113E-15
q -1.418251668066915E-14 3.593260884019426E-14 -7.194737531252208E-12 -1.425216497544305E-13 -2.338306767972238E-12 -1.19533158404421E-14
tp 2.836027023797457E-12 -7.194737531252208E-12 5.723465618632267E-9 2.339409991547883E-11 1.564792381058664E-9 3.316120995015267E-12
node 5.645710828803169E-14 -1.425216497544305E-13 2.339409991547883E-11 9.522628543278362E-9 -9.506412020949097E-9 1.734598103476367E-10
peri 9.202393851678808E-13 -2.338306767972238E-12 1.564792381058664E-9 -9.506412020949097E-9 9.946253593884746E-9 -1.722724024593976E-10
i 4.734255179488113E-15 -1.19533158404421E-14 3.316120995015267E-12 1.734598103476367E-10 -1.722724024593976E-10 1.57671248563209E-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 15.13   n/a E2021B55  

100548 (1997 EA36)          Discovered 1997-Mar-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 EA36 = 1977 CY = 1995 UC26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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