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 ]  
100926 (1998 MQ)
Classification: Amor [NEO]          SPK-ID: 2100926
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 186 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4074744584611283 3.3283e-08  
a 1.783140652037244 4.2441e-09 au
q 1.056556380488345 5.9446e-08 au
i 24.23796444370236 7.847e-06 deg
node 221.1035063384099 9.0464e-06 deg
peri 138.76841710 9.8872e-06 deg
M 109.9642329436988 6.4808e-06 deg
tp 2458934.840239367341
(2020-Mar-26.34023937)		 1.4777e-05 TDB
period 869.7147360335179
2.38		 3.105e-06
8.501e-09		 d
yr
n .4139288264124871 1.4778e-09 deg/d
Q 2.509724923586143 5.9735e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1218  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      14441 days (39.54 yr)  
   first obs. used      1979-12-19  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-04 05:55:41  

Additional Information
 Earth MOID = .129447 au 
 Jupiter MOID = 3.10232 au 
 T_jup = 3.893 
[ 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 16.6   n/a MPO436470  
diameter diameter 1.174 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 2.328 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:
[Warner, B.D. (2011) Minor Planet Bull. 38, 82-86.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
geometric albedo albedo 0.234   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

100926 (1998 MQ)          Discovered 1998-Jun-18 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-09 05:46 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin