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52159 (4178 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2052159
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167038887367848 3.867e-08  
a 2.385116559652397 7.8541e-09 au
q 1.986709343285431 9.0546e-08 au
i 3.254724853923214 3.4501e-06 deg
node 59.15451166725929 6.2863e-05 deg
peri 157.31277555672 6.3538e-05 deg
M 205.4076847268976 9.2171e-06 deg
tp 2459974.261021767209
(2023-Jan-29.76102177)
3.4873e-05 TDB
period 1345.435363127549
3.68
6.6457e-06
1.819e-08
d
yr
n .2675713823688692 1.3216e-09 deg/d
Q 2.783523776019363 9.166e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      18191 days (49.80 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:20  

Additional Information
 Earth MOID = .980575 au 
 Jupiter MOID = 2.18263 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457674.5 (2016-Oct-13.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663982470173842 3.8753e-08  
q 1.989042459317332 9.071e-08 au
tp 2457282.789302379815
(2015-Sep-17.28930238)
3.5135e-05 TDB
node 59.18312855514922 6.2814e-05 deg
peri 157.4038529012456 6.3491e-05 deg
i 3.255757129144899 3.451e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      18191 days (49.80 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:20  

Additional Information
 Jupiter MOID = 2.18263 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.501832099174578E-15 -3.506827552127602E-15 -5.969929114857296E-13 -4.26983951233693E-15 -1.255132761884348E-13 -7.15829420600107E-16
q -3.506827552127602E-15 8.228293189326989E-15 1.376778084983306E-12 1.055245674775841E-14 2.906450545411399E-13 1.677662647992954E-15
tp -5.969929114857296E-13 1.376778084983306E-12 1.234452014087699E-9 -4.350036412736757E-12 3.367669783382505E-10 9.608818828544591E-13
node -4.26983951233693E-15 1.055245674775841E-14 -4.350036412736757E-12 3.945584966493828E-9 -3.940331376013333E-9 -8.675573762059333E-11
peri -1.255132761884348E-13 2.906450545411399E-13 3.367669783382505E-10 -3.940331376013333E-9 4.031097797517984E-9 8.687568585308167E-11
i -7.15829420600107E-16 1.677662647992954E-15 9.608818828544591E-13 -8.675573762059333E-11 8.687568585308167E-11 1.190966920896997E-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 15.59   n/a MPCxxxxx  

52159 (4178 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
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
1952-Feb-04 07:52 < 00:01 Eunom 0.0357566515855513 0.0357551417481853 0.0357581619738808 8.01250163217798 8.01250158318104 2434046.827623006 0.260120081475758 313.255358587505 51.6364908918758 -79.7858298898104 101966.461880892 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43
1977-Nov-23 08:53 < 00:01 Eunom 0.0453998228668774 0.0453985024334656 0.0454011433890023 8.01087189243937 8.0108718538418 2443470.870333972 0.254019189724872 173.489367495014 51.4772632403925 -75.659300100685 128157.046530986 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43

Alternate Designations
 4178 T-1 = 1997 JB12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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