Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
46631 (1994 TQ3)
Classification: Main-belt Asteroid          SPK-ID: 2046631
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192807744587733 2.5581e-08  
a 2.532858263795417 8.3465e-09 au
q 2.230736968495596 6.5561e-08 au
i 12.9223765648916 5.0309e-07 deg
node 19.31214450527766 3.6681e-06 deg
peri 323.8277280905931 5.9952e-06 deg
M 215.9985402149293 5.1324e-06 deg
tp 2459789.450985014346
(2022-Jul-28.95098501)
2.3355e-05 TDB
period 1472.362536613298
4.03
7.2778e-06
1.993e-08
d
yr
n .2445049986316996 1.2086e-09 deg/d
Q 2.834979559095238 9.3421e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      18379 days (50.32 yr)  
   first obs. used      1970-11-26  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:36  

Additional Information
 Earth MOID = 1.23611 au 
 Jupiter MOID = 2.62925 au 
 T_jup = 3.405 
[ 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 13.5   n/a MPO502466  
diameter diameter 12.437 km 2.758 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.92623 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.051   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46631 (1994 TQ3)          Discovered 1994-Oct-05 by Endate, K., Watanabe, K. at Kitami
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 TQ3 = 1970 WU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-25 08:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin