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18077 Dianeingrao (2000 EM148)
Classification: Main-belt Asteroid          SPK-ID: 2018077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564493340578169 1.9583e-08  
a 2.273670673521504 6.7915e-09 au
q 1.917956410782277 4.4262e-08 au
i 7.760800513762775 4.1353e-07 deg
node 12.7322060878857 4.0152e-06 deg
peri 261.4154485490824 5.1377e-06 deg
M 311.4738937812313 5.6093e-06 deg
tp 2459369.296217663674
(2021-Jun-03.79621766)
2.0076e-05 TDB
period 1252.246328707487
3.43
5.6107e-06
1.536e-08
d
yr
n .2874833742747531 1.2881e-09 deg/d
Q 2.629384936260731 7.854e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2351  
   data-arc span      16360 days (44.79 yr)  
   first obs. used      1976-04-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47467  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:22:06  

Additional Information
 Earth MOID = .919011 au 
 Jupiter MOID = 2.50931 au 
 T_jup = 3.582 
[ 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 13.61   n/a E2021B10  
diameter diameter 4.583 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18077 Dianeingrao           Discovered 2000 Mar. 4 by the Catalina Sky Survey.
Diane L. Ingrao (b. 1951) served as Secretary of the Warren Astronomical Society (Detroit, Michigan) from 1969-1977. She has been active in many of their programs since and has been an avid solar eclipse chaser. Professionally, she works in elder healthcare in Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1985-Oct-03 21:06 < 00:01 Ceres 0.0327563689007384 0.0327538049618436 0.0327589328449001 3.86940379584441 3.86940046271599 2446342.379021158 0.926332986272374 128.386300616794 21.1034245027754 9.40140918988434 52961.9511035854 T 35 CATAB v2.0f-lin.ifort 2021-Apr-13 02:23:10 2021-Apr-13 02:23

Alternate Designations
 2000 EM148 = 1976 GR1 = 1987 SP22 = 1987 SV13 = 1998 XC33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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