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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816017576054522 2.7772e-08  
a 2.154909407467288 6.0737e-09 au
q 1.763574071590705 5.8851e-08 au
i 4.69903833622357 3.3449e-06 deg
node 93.42853710265952 4.432e-05 deg
peri 217.4649018880012 4.6297e-05 deg
M 247.4705925960946 1.5849e-05 deg
tp 2459361.664855952882
(2021-May-27.16485595)
5.1767e-05 TDB
period 1155.425511807372
3.16
4.8849e-06
1.337e-08
d
yr
n .3115735253559279 1.3173e-09 deg/d
Q 2.546244743343872 7.1767e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1861  
   data-arc span      13275 days (36.34 yr)  
   first obs. used      1983-10-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:11:36  

Additional Information
 Earth MOID = .751818 au 
 Jupiter MOID = 2.70868 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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