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 ]  
37495 (1226 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2037495
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04359450769399825 3.8068e-08  
a 3.127253406718745 1.9015e-08 au
q 2.990922334018463 1.1817e-07 au
i 5.051042185274851 4.9989e-06 deg
node 7.775916134480183 4.4265e-05 deg
peri 53.17687053600727 7.2428e-05 deg
M 134.5218117566151 5.6349e-05 deg
tp 2458445.697646982212
(2018-Nov-23.19764698)
0.00031594 TDB
period 2019.96125043299
5.53
1.8424e-05
5.044e-08
d
yr
n .1782212405920321 1.6255e-09 deg/d
Q 3.263584479419028 1.9844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      17351 days (47.50 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55628  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:07:04  

Additional Information
 Earth MOID = 2.00559 au 
 Jupiter MOID = 1.89148 au 
 T_jup = 3.207 
[ 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 14.69   n/a E2021B10  
diameter diameter 6.213 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37495 (1226 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1226 T-2 = 2001 RA78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 16:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin