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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09096255879305272 7.4321e-08  
a 2.52290879675516 8.2751e-09 au
q 2.293418557000809 1.8825e-07 au
i 2.265939525672665 3.9713e-06 deg
node 119.3237919337003 9.7352e-05 deg
peri 28.86971554733831 9.951e-05 deg
M 337.6376195637901 1.8542e-05 deg
tp 2459291.421435567264
(2021-Mar-17.92143557)
7.54e-05 TDB
period 1463.69555323434
4.01
7.2014e-06
1.972e-08
d
yr
n .2459527865644636 1.2101e-09 deg/d
Q 2.752399036509511 9.0279e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1319  
   data-arc span      16107 days (44.10 yr)  
   first obs. used      1977-02-13  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:46  

Additional Information
 Earth MOID = 1.305 au 
 Jupiter MOID = 2.23848 au 
 T_jup = 3.448 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09003432223408114 7.4876e-08  
q 2.295656874714706 1.8955e-07 au
tp 2457830.256395978307
(2017-Mar-17.75639598)
7.5571e-05 TDB
node 119.3616821359766 9.7428e-05 deg
peri 29.39564990672139 9.9574e-05 deg
i 2.26549674616551 3.9706e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1319  
   data-arc span      16107 days (44.10 yr)  
   first obs. used      1977-02-13  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:46  

Additional Information
 Jupiter MOID = 2.23848 au 
 T_jup = 3.448 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.606353754002025E-15 -1.418132200196188E-14 2.837242307243878E-12 5.758075139438757E-14 9.193017744728415E-13 4.726092909441581E-15
q -1.418132200196188E-14 3.592831814544962E-14 -7.199125936936902E-12 -1.453782788120483E-13 -2.336163932464832E-12 -1.193259174963939E-14
tp 2.837242307243878E-12 -7.199125936936902E-12 5.711043730658954E-9 2.39233751708192E-11 1.561736050720904E-9 3.309542226338733E-12
node 5.758075139438757E-14 -1.453782788120483E-13 2.39233751708192E-11 9.492282397928823E-9 -9.475900064587234E-9 1.736912130840135E-10
peri 9.193017744728415E-13 -2.336163932464832E-12 1.561736050720904E-9 -9.475900064587234E-9 9.915054068463089E-9 -1.725056188965107E-10
i 4.726092909441581E-15 -1.193259174963939E-14 3.309542226338733E-12 1.736912130840135E-10 -1.725056188965107E-10 1.57653550282811E-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 15.16   n/a MPCxxxxx  

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

Alternate Designations
 1997 EA36 = 1977 CY = 1995 UC26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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