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27885 (1996 ED2)
Classification: Main-belt Asteroid          SPK-ID: 2027885
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784950014401748 2.5535e-08  
a 2.318706486892979 6.3268e-09 au
q 1.904828969175674 5.9805e-08 au
i 9.98469776767055 3.8101e-06 deg
node 174.8479423149436 1.7751e-05 deg
peri 276.2634167126122 2.162e-05 deg
M 14.58735216488723 1.1112e-05 deg
tp 2458948.243410854695
(2020-Apr-08.74341085)
3.9766e-05 TDB
period 1289.63583518553
3.53
5.2784e-06
1.445e-08
d
yr
n .2791485706104077 1.1425e-09 deg/d
Q 2.732584004610284 7.4562e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1464  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1996-03-15  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:41  

Additional Information
 Earth MOID = .951343 au 
 Jupiter MOID = 2.51603 au 
 T_jup = 3.538 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456905.5 (2014-Sep-05.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775109324041748 2.5465e-08  
q 1.907197067943108 5.9577e-08 au
tp 2456367.965365127371
(2013-Mar-16.46536513)
3.9594e-05 TDB
node 174.9115480632515 1.7733e-05 deg
peri 276.0726392891618 2.1672e-05 deg
i 9.988168215822849 3.812e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1464  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1996-03-15  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:41  

Additional Information
 Jupiter MOID = 2.51603 au 
 T_jup = 3.538 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.484870218911713E-16 -1.511363247061763E-15 -1.180346525027947E-13 1.863858097965878E-15 -3.747826225710464E-14 -8.975706405096339E-16
q -1.511363247061763E-15 3.549375099876864E-15 2.593009632606818E-13 -4.40376845079859E-15 8.632745086999646E-14 2.252397335610544E-15
tp -1.180346525027947E-13 2.593009632606818E-13 1.567691381117344E-9 -1.461929597223438E-11 4.994012146972553E-10 1.603847541899695E-12
node 1.863858097965878E-15 -4.40376845079859E-15 -1.461929597223438E-11 3.144728792442659E-10 -3.138822885353465E-10 1.213976448911339E-11
peri -3.747826225710464E-14 8.632745086999646E-14 4.994012146972553E-10 -3.138822885353465E-10 4.696966886497923E-10 -1.146975651738167E-11
i -8.975706405096339E-16 2.252397335610544E-15 1.603847541899695E-12 1.213976448911339E-11 -1.146975651738167E-11 1.453096798246207E-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 15.0   n/a MPO347730  
diameter diameter 5.311 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27885 (1996 ED2)          Discovered 1996-Mar-15 by JPL/GEODSS NEAT at Haleakala
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 ED2 = 1998 XX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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