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27380 (2000 EL61)
Classification: Main-belt Asteroid          SPK-ID: 2027380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1351747601015953 4.05e-08  
a 2.190653601318177 6.7986e-09 au
q 1.894532526294297 9.0281e-08 au
i 2.021931082915124 3.829e-06 deg
node 234.6441034867594 0.00011526 deg
peri 116.0516970863223 0.00011602 deg
M 275.9853313925524 1.3837e-05 deg
tp 2459276.883180096430
(2021-Mar-03.38318010)
4.6014e-05 TDB
period 1184.292534671673
3.24
5.5131e-06
1.509e-08
d
yr
n .303978949001654 1.4151e-09 deg/d
Q 2.486774676342058 7.7176e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      17421 days (47.70 yr)  
   first obs. used      1972-10-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:33:37  

Additional Information
 Earth MOID = .88963 au 
 Jupiter MOID = 2.91588 au 
 T_jup = 3.660 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456398.5 (2013-Apr-16.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352176012584633 4.0485e-08  
q 1.894099962212304 9.0193e-08 au
tp 2456907.521289394956
(2014-Sep-07.02128940)
4.2886e-05 TDB
node 234.7714963457522 0.00011542 deg
peri 115.7366946965915 0.00011618 deg
i 2.02018438124778 3.8267e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      17421 days (47.70 yr)  
   first obs. used      1972-10-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:33:37  

Additional Information
 Jupiter MOID = 2.91588 au 
 T_jup = 3.660 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.639074828722047E-15 -3.643996521822042E-15 3.498403213912418E-14 -8.02067602417079E-15 3.219409880599126E-15 -5.96076879417729E-16
q -3.643996521822042E-15 8.134727958134988E-15 -3.343607836383022E-14 1.742795620205904E-14 1.57079465579873E-15 1.369519570779314E-15
tp 3.498403213912418E-14 -3.343607836383022E-14 1.839202303343513E-9 -1.771153060004225E-12 5.822160940036613E-10 -9.26942389758377E-14
node -8.02067602417079E-15 1.742795620205904E-14 -1.771153060004225E-12 1.332251755678578E-8 -1.331425985977446E-8 -9.023632042612665E-11
peri 3.219409880599126E-15 1.57079465579873E-15 5.822160940036613E-10 -1.331425985977446E-8 1.349835839412683E-8 9.015069565900373E-11
i -5.96076879417729E-16 1.369519570779314E-15 -9.26942389758377E-14 -9.023632042612665E-11 9.015069565900373E-11 1.464381324022108E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO474124  
diameter diameter 2.395 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.488   0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27380 (2000 EL61)          Discovered 2000-Mar-10 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 EL61 = 1972 TT7 = 1988 RY = 1997 GF38 = 1998 VB21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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