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 ]  
201301 (2002 TR7)
Classification: Main-belt Asteroid          SPK-ID: 2201301
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003635269433375 5.283e-08  
a 3.141474367474387 2.0555e-08 au
q 2.512037483405129 1.6575e-07 au
i 15.5539850002131 5.8631e-06 deg
node 20.08547599652585 1.689e-05 deg
peri 7.527386067579077 2.1414e-05 deg
M 43.52198870286161 1.1442e-05 deg
tp 2458754.630341101036
(2019-Sep-28.13034110)		 6.4223e-05 TDB
period 2033.755346244262
5.57		 1.996e-05
5.465e-08		 d
yr
n .1770124418676083 1.7373e-09 deg/d
Q 3.770911251543646 2.4673e-08 au
   Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2002-09-14  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:06:23  

Additional Information
 Earth MOID = 1.51712 au 
 Jupiter MOID = 1.69852 au 
 T_jup = 3.123 
[ 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 15.0   n/a MPO454425  
diameter diameter 4.832 km 0.985 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201301 (2002 TR7)          Discovered 2002-Oct-01 by NEAT at Haleakala
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
[ 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-20 19:52 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin