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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122730712342834 4.4888e-08  
a 3.173907074096705 1.8845e-08 au
q 2.817562779075649 1.4249e-07 au
i 9.864172098325641 5.0333e-06 deg
node 58.56289941779056 2.2964e-05 deg
peri 174.3488677477883 2.9679e-05 deg
M 181.1414468262109 2.1241e-05 deg
tp 2460026.617159750304
(2023-Mar-23.11715975)
0.00012621 TDB
period 2065.331352374172
5.65
1.8395e-05
5.036e-08
d
yr
n .174306171058783 1.5524e-09 deg/d
Q 3.53025136911776 2.0961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      10498 days (28.74 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52814  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:28:34  

Additional Information
 Earth MOID = 1.80661 au 
 Jupiter MOID = 1.46668 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456913.5 (2014-Sep-13.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143460508881982 4.4303e-08  
q 2.80846693048091 1.4065e-07 au
tp 2455903.873661916215
(2011-Dec-08.37366192)
0.00011215 TDB
node 58.65670207922552 2.3005e-05 deg
peri 175.2955573937234 2.97e-05 deg
i 9.859369744276263 5.0298e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      10498 days (28.74 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52814  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:28:34  

Additional Information
 Jupiter MOID = 1.46668 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.962797198139326E-15 -6.187858369362704E-15 -1.247565490595917E-12 1.58429844213877E-16 -2.020164993768009E-13 1.414966025884162E-16
q -6.187858369362704E-15 1.978280710192068E-14 4.36368630289167E-12 -1.707011233152341E-15 7.299364330149327E-13 2.426077317485764E-16
tp -1.247565490595917E-12 4.36368630289167E-12 1.257844394601082E-8 -1.014496020117626E-11 2.12186455883678E-9 2.132176962065887E-12
node 1.58429844213877E-16 -1.707011233152341E-15 -1.014496020117626E-11 5.292332742790636E-10 -5.229519949215018E-10 -3.087482216748073E-11
peri -2.020164993768009E-13 7.299364330149327E-13 2.12186455883678E-9 -5.229519949215018E-10 8.820657296517003E-10 3.076811632863572E-11
i 1.414966025884162E-16 2.426077317485764E-16 2.132176962065887E-12 -3.087482216748073E-11 3.076811632863572E-11 2.52988598425494E-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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