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100550 (1997 EM41)
Classification: Main-belt Asteroid          SPK-ID: 2100550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092705622674156 4.4278e-08  
a 2.518888886690541 9.0383e-09 au
q 2.243648481752721 1.1228e-07 au
i 11.06920965320294 4.701e-06 deg
node 323.0414156671251 1.5196e-05 deg
peri 200.1176383416681 2.0969e-05 deg
M 337.5981183711617 1.3538e-05 deg
tp 2459291.364436924376
(2021-Mar-17.86443692)
5.4999e-05 TDB
period 1460.198649146754
4.00
7.8593e-06
2.152e-08
d
yr
n .2465417977275631 1.327e-09 deg/d
Q 2.794129291628361 1.0026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      8771 days (24.01 yr)  
   first obs. used      1997-03-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:41  

Additional Information
 Earth MOID = 1.25555 au 
 Jupiter MOID = 2.21332 au 
 T_jup = 3.423 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.02   n/a E2021B55  
diameter diameter 4.299 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100550 (1997 EM41)          Discovered 1997-Mar-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 EM41 = 2000 YZ34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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