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 ]  
100979 (1998 QH27)
Classification: Main-belt Asteroid          SPK-ID: 2100979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2463428896634355 6.5425e-08  
a 2.342228402789702 1.0855e-08 au
q 1.765237089794713 1.4765e-07 au
i 22.59876638657376 7.6426e-06 deg
node 320.1930235353449 1.0271e-05 deg
peri 73.07612482627616 2.3346e-05 deg
M 55.75769859077638 1.4839e-05 deg
tp 2458997.710889329889
(2020-May-28.21088933)
5.4074e-05 TDB
period 1309.309417109201
3.58
9.1023e-06
2.492e-08
d
yr
n .2749541058024596 1.9115e-09 deg/d
Q 2.91921971578469 1.353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      9168 days (25.10 yr)  
   first obs. used      1996-02-10  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:18  

Additional Information
 Earth MOID = .884438 au 
 Jupiter MOID = 2.87277 au 
 T_jup = 3.422 
[ 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 15.56   n/a MPCxxxxx  
diameter diameter 2.076 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100979 (1998 QH27)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-15 20:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin