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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05072686217230529 2.8801e-08  
a 2.524740883463696 9.2873e-09 au
q 2.396668700647449 7.4068e-08 au
i 5.134758451876093 3.4977e-06 deg
node 97.60698221437654 3.8718e-05 deg
peri 143.7866005108389 5.4353e-05 deg
M 306.7786607985288 3.84e-05 deg
tp 2459217.124185895379
(2021-Jan-02.62418590)
0.00015634 TDB
period 1465.290202997761
4.01
8.0852e-06
2.214e-08
d
yr
n .2456851204379137 1.3556e-09 deg/d
Q 2.652813066279944 9.7584e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2187  
   data-arc span      14654 days (40.12 yr)  
   first obs. used      1980-03-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:00:48  

Additional Information
 Earth MOID = 1.38547 au 
 Jupiter MOID = 2.34264 au 
 T_jup = 3.447 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456730.5 (2014-Mar-14.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05196699010186692 2.8729e-08  
q 2.393483790989473 7.4006e-08 au
tp 2456285.557816697448
(2012-Dec-24.05781670)
0.00015313 TDB
node 97.66812002191082 3.8695e-05 deg
peri 143.6471028245891 5.376e-05 deg
i 5.136394470181706 3.4993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2187  
   data-arc span      14654 days (40.12 yr)  
   first obs. used      1980-03-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:00:48  

Additional Information
 Jupiter MOID = 2.34264 au 
 T_jup = 3.447 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.253764954652642E-16 -2.111279359055726E-15 6.180092522944956E-14 1.077469048416991E-14 1.452264639580625E-14 3.642871466001249E-16
q -2.111279359055726E-15 5.476842038050147E-15 -2.490583832509515E-13 -2.759690165455886E-14 -5.40214289269871E-14 -7.750301639614776E-16
tp 6.180092522944956E-14 -2.490583832509515E-13 2.344810957966683E-8 -7.700190874604749E-12 5.727466784766632E-9 7.584699466788319E-12
node 1.077469048416991E-14 -2.759690165455886E-14 -7.700190874604749E-12 1.497327146222372E-9 -1.492759499789823E-9 2.066474674182047E-11
peri 1.452264639580625E-14 -5.40214289269871E-14 5.727466784766632E-9 -1.492759499789823E-9 2.890172858849774E-9 -1.870838314028611E-11
i 3.642871466001249E-16 -7.750301639614776E-16 7.584699466788319E-12 2.066474674182047E-11 -1.870838314028611E-11 1.224502081039497E-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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