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48551 (1993 TR28)
Classification: Main-belt Asteroid          SPK-ID: 2048551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05806240609343966 3.5233e-08  
a 2.717528411555951 1.3312e-08 au
q 2.55974217335373 9.9507e-08 au
i 3.686826008650715 3.7551e-06 deg
node 152.3547507883578 6.5779e-05 deg
peri 303.6397177687422 7.6953e-05 deg
M 272.1317778667595 4.1674e-05 deg
tp 2459399.882384244545
(2021-Jul-04.38238424)
0.00018981 TDB
period 1636.287327061386
4.48
1.2023e-05
3.292e-08
d
yr
n .2200102598401989 1.6166e-09 deg/d
Q 2.875314649758173 1.4085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      10794 days (29.55 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:36:51  

Additional Information
 Earth MOID = 1.57883 au 
 Jupiter MOID = 2.21091 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05692484559583025 3.527e-08  
q 2.564385023949529 9.9536e-08 au
tp 2457751.553580099447
(2016-Dec-29.05358010)
0.00019246 TDB
node 152.4918806512182 6.5798e-05 deg
peri 301.1874977638307 7.7398e-05 deg
i 3.685413709446674 3.7552e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      10794 days (29.55 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:36:51  

Additional Information
 Jupiter MOID = 2.21091 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.24396469425675E-15 -3.484048353321585E-15 -1.376183569071251E-12 9.493960000986292E-15 -2.951930171737016E-13 1.006674469271406E-15
q -3.484048353321585E-15 9.907504763113626E-15 3.958134686367973E-12 -2.672241564821732E-14 8.352618071758134E-13 -2.675967210632362E-15
tp -1.376183569071251E-12 3.958134686367973E-12 3.704109832729925E-8 6.247462397594599E-12 7.865741698711565E-9 -1.977467218972619E-12
node 9.493960000986292E-15 -2.672241564821732E-14 6.247462397594599E-12 4.329394094266952E-9 -4.318760124757065E-9 3.162732899606103E-11
peri -2.951930171737016E-13 8.352618071758134E-13 7.865741698711565E-9 -4.318760124757065E-9 5.99041349565575E-9 -3.198126155046125E-11
i 1.006674469271406E-15 -2.675967210632362E-15 -1.977467218972619E-12 3.162732899606103E-11 -3.198126155046125E-11 1.410127283342185E-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 15.4   n/a MPO337645  
diameter diameter 3.259 km 0.880 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48551 (1993 TR28)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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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
1909-Nov-19 11:01 00:03 Hebe 0.0194343762630375 0.0194275412409762 0.0194412268825512 4.63444098127944 4.63444091225712 2418629.959341399 3.35158851790765 937.457088227735 38.0039718806556 -68.7871140840747 71290.529738797 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 23:36:53 2020-Nov-12 23:36
2003-Nov-14 18:29 < 00:01 Eunom 0.00728511683389286 0.00728339344898899 0.00728684030624717 5.7342198780218 5.73421954198794 2452958.270046781 0.413949783212375 96.4278853663028 36.0005676108719 -29.328449620517 17791.512720268 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 23:36:53 2020-Nov-12 23:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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