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17774 (1998 ER14)
Classification: Main-belt Asteroid          SPK-ID: 2017774
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813455875464767 2.7955e-08  
a 2.15535827107354 6.1117e-09 au
q 1.764493559032551 5.9196e-08 au
i 4.699043315758137 3.4535e-06 deg
node 93.42916043036065 4.5447e-05 deg
peri 217.4252088562731 4.7426e-05 deg
M 122.9132268690611 1.5632e-05 deg
tp 2458205.884852188871
(2018-Mar-28.38485219)
4.9299e-05 TDB
period 1155.786540071427
3.16
4.916e-06
1.346e-08
d
yr
n .3114762004217079 1.3248e-09 deg/d
Q 2.546222983114529 7.22e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1735  
   data-arc span      13157 days (36.02 yr)  
   first obs. used      1983-10-01  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50777  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:09:53  

Additional Information
 Earth MOID = .751924 au 
 Jupiter MOID = 2.70647 au 
 T_jup = 3.676 
[ 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 14.5   n/a MPO302174  
diameter diameter 3.506 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.158   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17774 (1998 ER14)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 ER14 = 1998 FD127 = 2000 AY98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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