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 ]  
(2003 GH21)
Classification: Amor [NEO]          SPK-ID: 3152315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2621536361751082 5.4921e-07  
a 1.482598168433664 9.5934e-09 au
q 1.093929667592223 8.1871e-07 au
i 20.09722907561328 3.8208e-05 deg
node 198.4286380479883 1.6788e-05 deg
peri 311.8186487847235 0.00021028 deg
M 316.4006622756555 0.00011027 deg
tp 2459280.356635264350
(2021-Mar-06.85663526)
0.00020189 TDB
period 659.3767289981959
1.81
6.3999e-06
1.752e-08
d
yr
n .5459701323505231 5.2992e-09 deg/d
Q 1.871266669275104 1.2108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6579 days (18.01 yr)  
   first obs. used      2003-04-07  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:43:18  

Additional Information
 Earth MOID = .158687 au 
 Jupiter MOID = 3.1848 au 
 T_jup = 4.477 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.4   n/a MPO228331  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 21:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin