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JPL Small-Body Database Browser
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26173 (1996 DQ2)
Classification: Main-belt Asteroid          SPK-ID: 2026173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05076013944371454 3.2122e-08  
a 2.525443379765477 1.0383e-08 au
q 2.397251521651376 8.0504e-08 au
i 5.134696535608602 3.841e-06 deg
node 97.60699546052325 3.9709e-05 deg
peri 143.4313373055835 5.5238e-05 deg
M 208.8936981271851 3.9004e-05 deg
tp 2459215.797226097324
(2021-Jan-01.29722610)
0.00015924 TDB
period 1465.901809849583
4.01
9.0406e-06
2.475e-08
d
yr
n .2455826151390998 1.5146e-09 deg/d
Q 2.653635237879579 1.091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1876  
   data-arc span      14474 days (39.63 yr)  
   first obs. used      1980-03-15  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:35  

Additional Information
 Earth MOID = 1.38596 au 
 Jupiter MOID = 2.34216 au 
 T_jup = 3.446 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456385.5 (2013-Apr-03.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0519302661544525 3.2075e-08  
q 2.394183785674118 8.0496e-08 au
tp 2456286.645377736751
(2012-Dec-25.14537774)
0.00015482 TDB
node 97.668501460719 3.9684e-05 deg
peri 143.954082348661 5.4671e-05 deg
i 5.136344217216194 3.8427e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1876  
   data-arc span      14474 days (39.63 yr)  
   first obs. used      1980-03-15  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:35  

Additional Information
 Jupiter MOID = 2.34216 au 
 T_jup = 3.446 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.028798815511527E-15 -2.56288449162487E-15 3.718189239550897E-13 1.297951760375649E-14 7.850000385691876E-14 6.384463790835267E-16
q -2.56288449162487E-15 6.479613317989943E-15 -9.396933113985562E-13 -3.25604881263214E-14 -1.964979187931593E-13 -1.40026437077054E-15
tp 3.718189239550897E-13 -9.396933113985562E-13 2.396911198755344E-8 -4.021253977263959E-12 5.834527464611634E-9 6.806378396968483E-12
node 1.297951760375649E-14 -3.25604881263214E-14 -4.021253977263959E-12 1.574850853159979E-9 -1.569174210062634E-9 8.836178259008801E-12
peri 7.850000385691876E-14 -1.964979187931593E-13 5.834527464611634E-9 -1.569174210062634E-9 2.988939682092572E-9 -7.127032088689983E-12
i 6.384463790835267E-16 -1.40026437077054E-15 6.806378396968483E-12 8.836178259008801E-12 -7.127032088689983E-12 1.476602043817299E-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 14.0   n/a MPO358874  

26173 (1996 DQ2)          Discovered 1996-Feb-23 by Kobayashi, T. at Oizumi
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 DQ2 = 1980 EJ1 = 1994 XY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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