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 ]  
118202 (1995 HQ3)
Classification: Main-belt Asteroid          SPK-ID: 2118202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06967247405501628 4.2836e-08  
a 2.581223051859463 1.4586e-08 au
q 2.401382855748574 1.0654e-07 au
i 3.284779237742649 4.3453e-06 deg
node 138.9260531867685 8.4946e-05 deg
peri 340.4354641813737 9.2585e-05 deg
M 157.1521754590908 3.72e-05 deg
tp 2458539.266838292207
(2019-Feb-24.76683829)
0.00015454 TDB
period 1514.735240027092
4.15
1.2839e-05
3.515e-08
d
yr
n .2376652965395862 2.0145e-09 deg/d
Q 2.761063247970351 1.5602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9215 days (25.23 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:10  

Additional Information
 Earth MOID = 1.41754 au 
 Jupiter MOID = 2.27757 au 
 T_jup = 3.419 
[ 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 16.33   n/a E2021B55  

118202 (1995 HQ3)          Discovered 1995-Apr-26 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1995 HQ3 = 2001 UC121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 05:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin