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27378 (2000 EG55)
Classification: Main-belt Asteroid          SPK-ID: 2027378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1126868928660355 4.5107e-08  
a 3.172561349084176 1.8927e-08 au
q 2.815055268229002 1.4327e-07 au
i 9.865561644089741 5.0455e-06 deg
node 58.55826391622194 2.3321e-05 deg
peri 174.2402410487788 2.9962e-05 deg
M 111.5084838394544 2.0922e-05 deg
tp 2457961.179132039277
(2017-Jul-26.67913204)
0.00011769 TDB
period 2064.017952187648
5.65
1.847e-05
5.057e-08
d
yr
n .1744170876122646 1.5608e-09 deg/d
Q 3.530067429939349 2.106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1374  
   data-arc span      10255 days (28.08 yr)  
   first obs. used      1991-11-01  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52281  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:37:14  

Additional Information
 Earth MOID = 1.80411 au 
 Jupiter MOID = 1.46711 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456814.5 (2014-Jun-06.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143282761392071 4.4492e-08  
q 2.808604763740433 1.414e-07 au
tp 2455904.076348232285
(2011-Dec-08.57634823)
0.00011252 TDB
node 58.65689869130475 2.3364e-05 deg
peri 175.3299261164445 3.0035e-05 deg
i 9.859244399680154 5.041e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1374  
   data-arc span      10255 days (28.08 yr)  
   first obs. used      1991-11-01  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52281  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:37:14  

Additional Information
 Jupiter MOID = 1.46711 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.979568326368883E-15 -6.247084521852987E-15 -1.219458375760356E-12 9.679254222622124E-16 -1.966267387877714E-13 2.333431466936207E-16
q -6.247084521852987E-15 1.999264825516635E-14 4.257988916150191E-12 -4.310971950894378E-15 7.093363903648887E-13 -5.651911104960322E-17
tp -1.219458375760356E-12 4.257988916150191E-12 1.265995491310803E-8 -1.175329583303244E-11 2.139869732680069E-9 2.061354239242745E-12
node 9.679254222622124E-16 -4.310971950894378E-15 -1.175329583303244E-11 5.458771419568431E-10 -5.396398987459531E-10 -2.969025245679733E-11
peri -1.966267387877714E-13 7.093363903648887E-13 2.139869732680069E-9 -5.396398987459531E-10 9.021241316298725E-10 2.959065356974245E-11
i 2.333431466936207E-16 -5.651911104960322E-17 2.061354239242745E-12 -2.969025245679733E-11 2.959065356974245E-11 2.541176991358351E-11

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 13.5   n/a MPO358885  
diameter diameter 8.988 km 0.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27378 (2000 EG55)          Discovered 2000-Mar-10 by Spacewatch at Kitt Peak
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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