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18383 (1992 ER28)
Classification: Main-belt Asteroid          SPK-ID: 2018383
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638694624905976 4.4465e-08  
a 3.096544222739143 1.8295e-08 au
q 2.589115185380514 1.4401e-07 au
i 2.516568587117872 3.5386e-06 deg
node 108.7245448420335 0.00011287 deg
peri 221.04065421723 0.00011347 deg
M 328.0592095339559 1.3391e-05 deg
tp 2459573.086506967860
(2021-Dec-24.58650697)
7.4522e-05 TDB
period 1990.280815874349
5.45
1.7638e-05
4.829e-08
d
yr
n .180878998143711 1.603e-09 deg/d
Q 3.603973260097772 2.1293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      11597 days (31.75 yr)  
   first obs. used      1989-10-03  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:08:13  

Additional Information
 Earth MOID = 1.57801 au 
 Jupiter MOID = 1.74926 au 
 T_jup = 3.201 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.24   n/a E2021B10  
diameter diameter 5.943 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18383 (1992 ER28)          Discovered 1992-Mar-08 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 ER28 = 1989 TE13 = 1995 YG22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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