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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225312862019909 4.4565e-08  
a 3.177016969799782 1.5442e-08 au
q 2.461194183648375 1.4611e-07 au
i 13.44403321101476 5.642e-06 deg
node 200.454025778916 1.5307e-05 deg
peri 208.0469335032287 1.8354e-05 deg
M 18.18817819007613 9.2704e-06 deg
tp 2458896.000448062183
(2020-Feb-16.50044806)		 5.3127e-05 TDB
period 2068.367612438517
5.66		 1.508e-05
4.129e-08		 d
yr
n .1740502983295003 1.269e-09 deg/d
Q 3.89283975595119 1.8922e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2236  
   data-arc span      31427 days (86.04 yr)  
   first obs. used      1934-11-01  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:07:40  

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. 2020-October); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1983-May-03 21:17 < 00:01 Jupiter 1.71049315506932 1.7104924369838 1.71049387315591 2.78372593169355 2.59975884943571 2445458.386885024 0.938000271044528 150.846876855967 37.6948717260095 -86.6119411682529 2367861.91583303 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07
1994-Apr-19 17:58 < 00:01 Jupiter 1.58049646865815 1.58049599636804 1.58049694094834 3.21524561470559 3.04400406677461 2449462.248347966 0.524195845422728 118.929681615608 20.479751401618 85.8203622075543 2402916.6533469 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07
2005-Apr-14 21:05 < 00:01 Jupiter 1.75836425765942 1.75836368373063 1.75836483158821 3.38530302148276 3.23988511502415 2453475.378325274 0.319079781324341 59.4721965384703 26.670717749766 82.6625137271389 2492431.86626069 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07
2102-Jul-24 17:06 00:02 Jupiter 1.8481293791908 1.8481281699529 1.84813058843195 2.09139589535281 1.85938428789539 2489004.212654100 1.94275365547697 291.879794019285 61.66863208277 74.3466504296774 2775017.39575752 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07
2113-May-24 18:40 00:02 Jupiter 1.61014297049257 1.6101422661761 1.61014367481297 2.95257170608557 2.76867680046696 2492961.277812652 1.70577705848101 205.421225230932 31.3987081020603 -83.6850804118781 2087288.60406305 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07
2124-May-23 03:06 00:02 Jupiter 1.65466069134282 1.65465984592667 1.65466153676894 3.31542918791677 3.15725650458223 2496977.628906148 1.92580866083605 258.075449727249 21.5473980228344 82.4956606498265 2319609.516667 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07
2135-Apr-28 14:52 00:03 Jupiter 1.96078922129868 1.96078739083063 1.96079105177208 3.57781619506833 3.45496858479826 2500970.119175564 2.49217669459144 197.444829642917 31.4973887785651 64.8256425884304 2772663.4903968 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 02:07:45 2020-Dec-18 02:07

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 2021-Jan-26 00:52 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin