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48557 (1993 TJ37)
Classification: Main-belt Asteroid          SPK-ID: 2048557
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723352492056403 3.616e-08  
a 2.740139412640888 1.5556e-08 au
q 2.267916804105224 1.0126e-07 au
i 3.621600747661671 4.2897e-06 deg
node 122.63892184 8.2912e-05 deg
peri 341.0812087902605 8.4402e-05 deg
M 252.6706913816803 1.7121e-05 deg
tp 2459494.438919035530
(2021-Oct-06.93891904)
8.0682e-05 TDB
period 1656.751665895288
4.54
1.4108e-05
3.863e-08
d
yr
n .2172926742195008 1.8503e-09 deg/d
Q 3.212362021176552 1.8236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      9844 days (26.95 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:01:31  

Additional Information
 Earth MOID = 1.28514 au 
 Jupiter MOID = 1.93214 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457092.5 (2015-Mar-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699468702633029 3.5831e-08  
q 2.276715257310885 1.002e-07 au
tp 2457831.112478862707
(2017-Mar-18.61247886)
7.7163e-05 TDB
node 122.79041650529 8.3216e-05 deg
peri 340.0870703008387 8.4766e-05 deg
i 3.614237376402599 4.279e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      9844 days (26.95 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:01:31  

Additional Information
 Jupiter MOID = 1.93214 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.283867707406622E-15 -3.56028467354667E-15 -2.640213113477109E-13 5.825920349339777E-15 -6.508343780948873E-14 2.534271284053832E-16
q -3.56028467354667E-15 1.003931990669173E-14 1.055637415548048E-12 -1.421902165356391E-14 2.277763643949557E-13 -6.710651733366123E-16
tp -2.640213113477109E-13 1.055637415548048E-12 5.954080072579843E-9 -9.580334037008752E-13 1.276431736311191E-9 -1.079028172963306E-12
node 5.825920349339777E-15 -1.421902165356391E-14 -9.580334037008752E-13 6.924832166848498E-9 -6.911464803445364E-9 4.213500135684884E-11
peri -6.508343780948873E-14 2.277763643949557E-13 1.276431736311191E-9 -6.911464803445364E-9 7.185280945851085E-9 -4.229904172999001E-11
i 2.534271284053832E-16 -6.710651733366123E-16 -1.079028172963306E-12 4.213500135684884E-11 -4.229904172999001E-11 1.83101465570721E-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 15.1   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 1.95705957010729 1.95705904214649 1.95706009806897 2.34794089398885 2.15574097499495 2429005.837621239 1.92145140740818 111.417258100322 8.570186168651 -89.7662796792388 2349186.87599818 T 17 CATAB v2.0f-lin.ifort 2020-Oct-22 18:01:42 2020-Oct-22 18:01
1997-Jan-24 11:05 < 00:01 Jupiter 1.94295251617741 1.94295221246435 1.94295281989036 2.12097641861955 1.90437623018433 2450472.961644175 0.496696766469649 59.7442219264167 12.1319890632672 87.0520528789971 2864865.51901165 T 17 CATAB v2.0f-lin.ifort 2020-Oct-22 18:01:42 2020-Oct-22 18:01
2055-Nov-03 17:51 < 00:01 Jupiter 1.99479778694679 1.99479735300321 1.99479822089027 2.14979693350578 1.94226553231415 2471940.243728273 0.999858636614001 58.5880463026658 13.8854782553401 -88.3206417141032 2886854.84481473 T 17 CATAB v2.0f-lin.ifort 2020-Oct-22 18:01:42 2020-Oct-22 18:01
2092-Oct-07 15:30 00:02 Jupiter 1.96783179820836 1.96783129519568 1.96783230122182 2.46325286896828 2.28182950278176 2485428.145560686 1.90624003512014 111.887888355071 8.2509635385357 89.4402136370779 2417242.89203844 T 17 CATAB v2.0f-lin.ifort 2020-Oct-22 18:01:42 2020-Oct-22 18:01
2151-Jul-19 16:15 00:03 Jupiter 1.92813629577381 1.92813597832896 1.92813661321855 2.15022009664476 1.93516265779463 2506896.177270925 3.34603978561546 167.424165312894 16.6756168407612 -83.3116256128262 2624394.46878571 T 17 CATAB v2.0f-lin.ifort 2020-Oct-22 18:01:42 2020-Oct-22 18:01

Alternate Designations
 1993 TJ37 = 1999 BJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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