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 ]  
6972 Helvetius (1992 GY3)
Classification: Main-belt Asteroid          SPK-ID: 2006972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288378604674786 2.2645e-08  
a 2.567779159335347 8.3859e-09 au
q 2.2369519862936 5.9386e-08 au
i 6.350908365559825 8.0041e-07 deg
node 213.7561659923357 4.7607e-06 deg
peri 284.2565452810121 5.4583e-06 deg
M 48.18389929200475 3.4515e-06 deg
tp 2458999.343359860130
(2020-May-29.84335986)
1.4125e-05 TDB
period 1502.916773329081
4.11
7.3624e-06
2.016e-08
d
yr
n .2395342219799512 1.1734e-09 deg/d
Q 2.898606332377093 9.4663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2404  
   data-arc span      30345 days (83.08 yr)  
   first obs. used      1938-02-21  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:09:12  

Additional Information
 Earth MOID = 1.26014 au 
 Jupiter MOID = 2.16135 au 
 T_jup = 3.411 
[ 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 13.06   n/a MPCxxxxx  
diameter diameter 6.878 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.35 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:
[Moravec, P.; Cochren, J.; Gerhardt, M.; Harris, A.; et al. (2012) Minor Planet Bull. 39, 213-216.]
geometric albedo albedo 0.492   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6972 Helvetius (1992 GY3)          Discovered 1992-Apr-04 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1992 GY3 = 1938 DR1 = 1975 EZ5 = 1994 UR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 13:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin