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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06818944883962548 1.3574e-08  
a 2.417429135369899 7.3895e-09 au
q 2.252585975020173 3.4058e-08 au
i 8.500981455213063 3.8057e-07 deg
node 178.6259778937927 3.3181e-06 deg
peri 53.57181118325823 1.2666e-05 deg
M 314.7071591559917 1.374e-05 deg
tp 2459373.225363507784
(2021-Jun-07.72536351)
5.2719e-05 TDB
period 1372.868861923641
3.76
6.2948e-06
1.723e-08
d
yr
n .2622246086167138 1.2023e-09 deg/d
Q 2.582272295719625 7.8934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3009  
   data-arc span      28830 days (78.93 yr)  
   first obs. used      1942-04-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:54:51  

Additional Information
 Earth MOID = 1.25368 au 
 Jupiter MOID = 2.4018 au 
 T_jup = 3.498 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.48   n/a MPCxxxxx  
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. 2020-October); 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

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