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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725089737407483 3.1248e-08  
a 2.739777514648747 1.3972e-08 au
q 2.267141307318714 9.1051e-08 au
i 3.621663564789162 3.5109e-06 deg
node 122.6404767386857 7.8152e-05 deg
peri 341.1257328061722 7.9798e-05 deg
M 296.1054465757437 1.71e-05 deg
tp 2459494.490103297538
(2021-Oct-06.99010330)
7.9721e-05 TDB
period 1656.423458888047
4.54
1.2671e-05
3.469e-08
d
yr
n .2173357290180297 1.6626e-09 deg/d
Q 3.212413721978781 1.6383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:09:59  

Additional Information
 Earth MOID = 1.2842 au 
 Jupiter MOID = 1.93177 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457839.5 (2017-Mar-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695515557438951 3.0927e-08  
q 2.27719435459133 8.9976e-08 au
tp 2457831.582330567466
(2017-Mar-19.08233057)
7.6951e-05 TDB
node 122.7842129796631 7.846e-05 deg
peri 340.1778525747415 8.0183e-05 deg
i 3.614096889929691 3.5016e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:09:59  

Additional Information
 Jupiter MOID = 1.93177 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.565032701381357E-16 -2.763101737595068E-15 -3.08445147710861E-13 6.538728434489585E-15 -3.494985017651256E-14 1.345218345393708E-16
q -2.763101737595068E-15 8.095766138052817E-15 1.155862300283719E-12 -1.886911414407257E-14 1.557534821918282E-13 -1.189450667041702E-16
tp -3.08445147710861E-13 1.155862300283719E-12 5.921472464062135E-9 -3.312233616701288E-11 1.307821523715544E-9 1.830459343539409E-12
node 6.538728434489585E-15 -1.886911414407257E-14 -3.312233616701288E-11 6.15600070154223E-9 -6.15099462015079E-9 9.829200745251286E-11
peri -3.494985017651256E-14 1.557534821918282E-13 1.307821523715544E-9 -6.15099462015079E-9 6.429383634470025E-9 -9.772420447759342E-11
i 1.345218345393708E-16 -1.189450667041702E-16 1.830459343539409E-12 9.829200745251286E-11 -9.772420447759342E-11 1.226106183598042E-11

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 15.12   n/a E2021B10  
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 1.95705965213209 1.95705916814124 1.95706013612361 2.34794143232227 2.15574157084842 2429005.837816381 1.77434934745047 104.465426203202 7.68913530995546 89.7366722513603 2482636.93395579 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 10:10:01 2021-Apr-13 10:10
1997-Jan-24 11:05 < 00:01 Jupiter 1.94295256262346 1.94295229300437 1.94295283224255 2.12097658671166 1.9043764241318 2450472.961656827 0.483136962398842 58.7943869380025 9.61044728476562 86.7450569001112 3298980.51519367 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 10:10:01 2021-Apr-13 10:10
2055-Nov-03 17:51 < 00:01 Jupiter 1.9947979169458 1.994797622095 1.99479821179648 2.14979722127467 1.94226586628607 2471940.243623204 0.861681047330573 56.8117493907879 12.0171232664864 -87.313327016069 3951529.83294611 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 10:10:01 2021-Apr-13 10:10
2092-Oct-07 15:29 00:02 Jupiter 1.96783173501952 1.96783125061314 1.96783221942635 2.46325256200362 2.28182916639581 2485428.145318375 1.66880182542194 97.5629211086528 8.05009855763673 89.3028930452541 2433832.94002966 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 10:10:01 2021-Apr-13 10:10
2151-Jul-19 16:15 00:03 Jupiter 1.92813634816964 1.92813605287149 1.9281366434678 2.15021991340098 1.93516246160952 2506896.176769243 2.97104930839316 149.980316849717 15.9078142921542 -83.2453224752457 2775395.52889459 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 10:10:01 2021-Apr-13 10:10

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-May-13 23:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin