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 ]  
74563 (1999 MQ)
Classification: Main-belt Asteroid          SPK-ID: 2074563
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955513408469092 4.093e-08  
a 2.216801082864462 8.3231e-09 au
q 1.783302658719436 9.1543e-08 au
i 5.129220108141383 3.6143e-06 deg
node 281.6999750568222 4.9815e-05 deg
peri 73.3951617322642 5.1182e-05 deg
M 72.4206877864997 9.2325e-06 deg
tp 2458757.979386316804
(2019-Oct-01.47938632)
3.1327e-05 TDB
period 1205.5591239804
3.30
6.7895e-06
1.859e-08
d
yr
n .2986166276203746 1.6818e-09 deg/d
Q 2.650299507009488 9.9506e-09 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      10607 days (29.04 yr)  
   first obs. used      1991-01-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:19:01  

Additional Information
 Earth MOID = .786628 au 
 Jupiter MOID = 2.81019 au 
 T_jup = 3.622 
[ 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 16.2   n/a MPO502608  
rotation period rot_per 3.93 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

74563 (1999 MQ)          Discovered 1999-Jun-20 by Broughton, J. at Reedy Creek
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 MQ = 1996 RQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 18:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin