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 ]  
52444 (1994 TQ2)
Classification: Main-belt Asteroid          SPK-ID: 2052444
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2578075937941583 4.8394e-08  
a 2.531107630829795 7.8148e-09 au
q 1.878568862891533 1.2324e-07 au
i 9.443639397654476 3.6631e-06 deg
node 40.45811758364304 2.6351e-05 deg
peri 295.1549460136565 2.6694e-05 deg
M 206.7036083627664 6.2481e-06 deg
tp 2459826.816391902805
(2022-Sep-04.31639190)
2.7205e-05 TDB
period 1470.836323522734
4.03
6.8118e-06
1.865e-08
d
yr
n .2447587092068682 1.1335e-09 deg/d
Q 3.183646398768058 9.8295e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      9669 days (26.47 yr)  
   first obs. used      1994-10-02  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:18:30  

Additional Information
 Earth MOID = .891204 au 
 Jupiter MOID = 2.28269 au 
 T_jup = 3.385 
[ 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 15.28   n/a E2021B10  
diameter diameter 2.406 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.88515 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 0.367   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52444 (1994 TQ2)          Discovered 1994-Oct-02 by Endate, K., Watanabe, K. at Kitami
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 TQ2 = 1998 UH33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 01:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin