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 ]  
46524 (1979 QH2)
Classification: Main-belt Asteroid          SPK-ID: 2046524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895167059416235 5.3679e-08  
a 2.767511274553511 1.5001e-08 au
q 2.243021654143825 1.5102e-07 au
i 1.49897760860525 4.612e-06 deg
node 300.8378415917036 0.00022901 deg
peri 91.42178992366497 0.00022935 deg
M 267.1307320028176 1.4207e-05 deg
tp 2459434.312485028809
(2021-Aug-07.81248503)
6.835e-05 TDB
period 1681.638048607312
4.60
1.3672e-05
3.743e-08
d
yr
n .2140769830333837 1.7405e-09 deg/d
Q 3.292000894963196 1.7843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      14527 days (39.77 yr)  
   first obs. used      1979-08-22  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:29:39  

Additional Information
 Earth MOID = 1.2496 au 
 Jupiter MOID = 2.15364 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456769.5 (2014-Apr-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192290029574132 5.3341e-08  
q 2.231031302341766 1.4973e-07 au
tp 2456079.989902353379
(2012-Jun-01.48990235)
5.6787e-05 TDB
node 300.9415050721819 0.00022952 deg
peri 91.78399899844925 0.00022984 deg
i 1.498433544129284 4.6101e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      14527 days (39.77 yr)  
   first obs. used      1979-08-22  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:29:39  

Additional Information
 Jupiter MOID = 2.15364 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.845217093144777E-15 -7.961660926840264E-15 -1.177939247842695E-12 1.02751475582376E-14 -3.300352411634036E-13 -7.65014545443077E-16
q -7.961660926840264E-15 2.241979685559436E-14 3.372693965540977E-12 -2.445953709299893E-14 9.471524966182771E-13 2.362855663823887E-15
tp -1.177939247842695E-12 3.372693965540977E-12 3.224739918735647E-9 1.940567828468085E-12 7.483074320159322E-10 7.275198556224956E-13
node 1.02751475582376E-14 -2.445953709299893E-14 1.940567828468085E-12 5.267873443016036E-8 -5.265918223635335E-8 3.318213885587898E-10
peri -3.300352411634036E-13 9.471524966182771E-13 7.483074320159322E-10 -5.265918223635335E-8 5.282854742837261E-8 -3.31513125458566E-10
i -7.65014545443077E-16 2.362855663823887E-15 7.275198556224956E-13 3.318213885587898E-10 -3.31513125458566E-10 2.125338965281874E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436107  

46524 (1979 QH2)          Discovered 1979-Aug-22 by Lagerkvist, C.-I. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1979 QH2 = 1993 RZ18 = 2000 EG192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 17:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin