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 ]  
48557 (1993 TJ37)
Classification: Main-belt Asteroid          SPK-ID: 2048557
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723352412541523 3.1504e-08  
a 2.740139409871591 1.4151e-08 au
q 2.26791682360136 9.1535e-08 au
i 3.621598286955528 3.6385e-06 deg
node 122.6389507823865 7.8274e-05 deg
peri 341.0811809768417 7.993e-05 deg
M 252.6706916766347 1.7073e-05 deg
tp 2459494.438916929331
(2021-Oct-06.93891693)
8.0321e-05 TDB
period 1656.751663383717
4.54
1.2834e-05
3.514e-08
d
yr
n .2172926745489081 1.6833e-09 deg/d
Q 3.212361996141823 1.659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      9897 days (27.10 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:49:50  

Additional Information
 Earth MOID = 1.28514 au 
 Jupiter MOID = 1.93214 au 
 T_jup = 3.326 
[ 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 15.1   n/a MPO347857  
diameter diameter 5.386 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48557 (1993 TJ37)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1938-Apr-17 08:06 00:02 Jupiter 1.95705959641414 1.9570591056957 1.95706008713324 2.34794091890203 2.15574100482804 2429005.837682968 1.78879312722978 105.16596980738 7.87184687622817 89.7350359453334 2451551.55944026 T 19 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:52 2020-Dec-18 03:49
1997-Jan-24 11:05 < 00:01 Jupiter 1.94295253797456 1.94295226512741 1.94295281082171 2.12097635106949 1.90437615751939 2450472.961652475 0.485600686684694 59.3190426614699 9.86929667849301 86.5542079740677 3247374.68335578 T 19 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:52 2020-Dec-18 03:49
2055-Nov-03 17:51 < 00:01 Jupiter 1.99479783598483 1.99479753175671 1.99479814021294 2.14979692297831 1.94226552603611 2471940.243677575 0.871539218585315 57.6656481982342 12.1949560588198 -87.6461417105248 3857260.11821296 T 19 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:52 2020-Dec-18 03:49
2092-Oct-07 15:29 00:02 Jupiter 1.96783177415069 1.96783128948691 1.96783225881491 2.46325268512894 2.28182930201959 2485428.145476130 1.68732084090859 98.5493991000037 8.15590442436797 89.3329467906099 2423778.90513248 T 19 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:52 2020-Dec-18 03:49
2151-Jul-19 16:15 00:03 Jupiter 1.92813631172408 1.92813601353233 1.92813660991572 2.1502199060996 1.93516244795179 2506896.177121257 3.00113656911431 151.36013010175 16.1992368542059 -83.2866848695611 2741591.31051124 T 19 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:52 2020-Dec-18 03:49

Alternate Designations
 1993 TJ37 = 1999 BJ3 
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-27 02:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin