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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635600400154665 4.4735e-08  
a 3.094982380015962 1.8923e-08 au
q 2.588766938093388 1.4434e-07 au
i 2.516691080283283 3.5453e-06 deg
node 108.7235307111309 0.00011627 deg
peri 221.1583165254499 0.00011687 deg
M 292.466606897549 1.3921e-05 deg
tp 2459573.579828203246
(2021-Dec-25.07982820)
7.8133e-05 TDB
period 1988.775211537446
5.44
1.8239e-05
4.994e-08
d
yr
n .1810159327768862 1.6601e-09 deg/d
Q 3.601197821938536 2.2018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      11209 days (30.69 yr)  
   first obs. used      1989-10-03  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:28:04  

Additional Information
 Earth MOID = 1.57651 au 
 Jupiter MOID = 1.75283 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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