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 ]  
2666 Gramme (1951 TA)
Classification: Main-belt Asteroid          SPK-ID: 2002666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2253128619737886 4.7071e-08  
a 3.177016969870501 1.5918e-08 au
q 2.461194183849685 1.5479e-07 au
i 13.44403387442053 5.8714e-06 deg
node 200.4540251943886 1.5364e-05 deg
peri 208.0469341097417 1.844e-05 deg
M 18.18817814300117 9.504e-06 deg
tp 2458896.000448329162
(2020-Feb-16.50044833)
5.4432e-05 TDB
period 2068.367612507578
5.66
1.5545e-05
4.256e-08
d
yr
n .1740502983236888 1.308e-09 deg/d
Q 3.892839755891317 1.9504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2083  
   data-arc span      31141 days (85.26 yr)  
   first obs. used      1934-11-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:27:56  

Additional Information
 Earth MOID = 1.4788 au 
 Jupiter MOID = 1.57138 au 
 T_jup = 3.119 
[ 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 11.7   n/a MPO502178  
diameter diameter 30.364 km 0.847 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.12 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.058   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2666 Gramme (1951 TA)          Discovered 1951-Oct-08 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1951 TA = 1934 UA = 1962 TJ = 1962 UA = 1970 EF2 = 1979 ST2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 21:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin