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80974 (2000 ER)
Classification: Main-belt Asteroid          SPK-ID: 2080974
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693706477044299 3.6615e-08  
a 2.656937098415352 1.4806e-08 au
q 2.206929941146816 9.6408e-08 au
i 4.354313902582108 4.082e-06 deg
node 24.77706865756491 5.3994e-05 deg
peri 248.4437276066437 5.5735e-05 deg
M 67.24676288490416 1.6427e-05 deg
tp 2458305.012428644395
(2018-Jul-05.51242864)
7.0922e-05 TDB
period 1581.868347627146
4.33
1.3223e-05
3.62e-08
d
yr
n .2275789894525746 1.9024e-09 deg/d
Q 3.106944255683889 1.7314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      8657 days (23.70 yr)  
   first obs. used      1996-03-22  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54629  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:47:46  

Additional Information
 Earth MOID = 1.19486 au 
 Jupiter MOID = 2.01889 au 
 T_jup = 3.363 
[ 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 14.9   n/a MPO502642  
diameter diameter 4.981 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80974 (2000 ER)          Discovered 2000-Mar-03 by Comba, P. G. at Prescott
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2000 ER = 1996 FJ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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