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2002 Euler (1973 QQ1)
Classification: Main-belt Asteroid          SPK-ID: 2002002
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06829102210251621 3.2755e-08  
a 2.417759080593804 8.0512e-09 au
q 2.252647841782414 8.0299e-08 au
i 8.500158025159958 3.9188e-06 deg
node 178.6292523176266 2.3728e-05 deg
peri 53.47369199205617 3.7491e-05 deg
M 262.370872945193 2.9707e-05 deg
tp 2459372.887304780117
(2021-Jun-07.38730478)
0.00011382 TDB
period 1373.149937575329
3.76
6.859e-06
1.878e-08
d
yr
n .2621709327938931 1.3096e-09 deg/d
Q 2.582870319405195 8.6011e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2723  
   data-arc span      28495 days (78.02 yr)  
   first obs. used      1942-04-17  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:33:33  

Additional Information
 Earth MOID = 1.25493 au 
 Jupiter MOID = 2.40224 au 
 T_jup = 3.497 
[ show covariance matrix ]

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 12.4   n/a MPO313434  
diameter diameter 19.773 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.9929 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2016) Minor Planet Bull. 43, 45-51.]
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2002 Euler (1973 QQ1)          Discovered 1973-Aug-29 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1919-Feb-16 14:07 < 00:01 Iris 0.0431985607123479 0.043190816659105 0.0432063049576335 6.28024815175444 6.28024813056464 2422006.088144893 0.563858383710135 412.117698929138 35.2465887355717 20.5558897943529 66013.4584666108 T 36 CATAB v2.0f-lin.ifort 2020-May-20 01:33:45 2020-May-20 01:33
1980-Dec-02 05:55 < 00:01 Eunom 0.0137984808960917 0.0137963137977547 0.0138006480869183 7.40115399767576 7.40115386021993 2444575.746581294 0.235140859430149 122.83840963363 29.0172892511255 29.3275433825401 37782.7411855841 T 36 CATAB v2.0f-lin.ifort 2020-May-20 01:33:45 2020-May-20 01:33
1985-Apr-11 09:02 00:01 Psych 0.0224909349359781 0.0224896572503967 0.0224922126749585 2.82099718111173 2.8209969904151 2446166.876476420 1.32040914316042 87.1875194658429 25.7364595374895 45.7246238644061 97224.1222767469 T 36 CATAB v2.0f-lin.ifort 2020-May-20 01:33:45 2020-May-20 01:33
2115-Dec-03 16:22 < 00:01 Hebe 0.0369419114865697 0.0369393231456639 0.0369445024935619 6.07755523077877 6.07755520308965 2493884.181708188 0.905506106724691 531.998100605454 36.7535007663771 76.5165017145876 146198.067188196 T 36 CATAB v2.0f-lin.ifort 2020-May-20 01:33:45 2020-May-20 01:33

Alternate Designations
 1973 QQ1 = 1938 DW = 1942 GJ = 1953 EB = 1973 SJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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