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117867 (2127 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117867
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168491996902065 4.3303e-08  
a 3.055172602357211 2.1499e-08 au
q 2.540400469705566 1.3306e-07 au
i 2.53310949440459 5.0722e-06 deg
node 314.5218558773308 0.00011776 deg
peri 30.71068312926416 0.00011879 deg
M 125.8951745543256 1.5568e-05 deg
tp 2458518.383371798689
(2019-Feb-03.88337180)
8.3306e-05 TDB
period 1950.527389328242
5.34
2.0588e-05
5.637e-08
d
yr
n .1845654677650967 1.9481e-09 deg/d
Q 3.569944735008856 2.5121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      22022 days (60.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:18:10  

Additional Information
 Earth MOID = 1.53165 au 
 Jupiter MOID = 1.84739 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457159.5 (2015-May-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707789000191455 4.4184e-08  
q 2.531184291949555 1.3602e-07 au
tp 2456555.453018377528
(2013-Sep-19.95301838)
7.9188e-05 TDB
node 315.1535177497918 0.00011628 deg
peri 28.11829242414414 0.00011731 deg
i 2.556004265013267 5.0953e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      22022 days (60.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:18:10  

Additional Information
 Jupiter MOID = 1.84739 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.95222403309845E-15 -5.959656417009002E-15 -1.718420635228589E-13 3.203843796658178E-15 -4.474600439062053E-14 -3.529622019768674E-16
q -5.959656417009002E-15 1.850189088373748E-14 4.502000067414058E-13 -1.911138470010546E-14 1.53279534125274E-13 1.627062502875295E-15
tp -1.718420635228589E-13 4.502000067414058E-13 6.270753231437641E-9 -1.660185900556967E-11 1.269314643097543E-9 5.145328380007859E-13
node 3.203843796658178E-15 -1.911138470010546E-14 -1.660185900556967E-11 1.352022215534469E-8 -1.350765394241386E-8 -2.928660974469862E-11
peri -4.474600439062053E-14 1.53279534125274E-13 1.269314643097543E-9 -1.350765394241386E-8 1.376048843446383E-8 2.930559519947858E-11
i -3.529622019768674E-16 1.627062502875295E-15 5.145328380007859E-13 -2.928660974469862E-11 2.930559519947858E-11 2.596223433449098E-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 15.60   n/a E2021B55  

117867 (2127 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1919-Nov-23 23:22 00:03 Jupiter 1.83934441187909 1.83934382905006 1.83934499470803 2.24059135837768 2.02465918997486 2422286.473298329 3.04865024050936 93.3359252738275 13.2748624857954 -81.2778793313138 1906819.06890728 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
1968-Apr-23 23:09 00:02 Jupiter 1.83396289605486 1.83396243146121 1.83396336064831 1.96430071596003 1.71311702435682 2439970.464535449 1.51114001901634 124.225546806208 23.715023962823 -81.927850605188 2416656.85784269 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2016-Sep-23 21:13 < 00:01 Jupiter 1.93366523002609 1.93366476931769 1.93366569073449 2.0989972090853 1.87875211036839 2457655.383883295 0.299490265855564 70.6887172323668 11.3284544930821 83.82120996079 2502094.3888791 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2026-Mar-10 18:21 < 00:01 Jupiter 1.90666378283514 1.90666325582771 1.90666430984235 2.61804043673198 2.44246785610081 2461110.264480946 0.463541013590253 62.0438713971545 13.2308839513359 -85.0404353007904 2326266.33912147 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2074-Aug-09 15:10 00:02 Jupiter 1.83399586675825 1.83399540053004 1.83399633298678 2.0862097168808 1.8516425749044 2478794.132194790 1.9464505790946 119.937648119531 16.9523623961513 -82.3874090964118 2522682.10962493 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2123-Jan-09 10:32 00:04 Jupiter 1.86689772457964 1.8668970236829 1.86689842547819 1.93599260658114 1.68542444773376 2496477.938916438 3.49933350051789 190.632521832078 24.8841824233675 -85.1067451305581 2140096.61081199 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2132-Jun-29 06:34 00:04 Jupiter 1.99383612922789 1.99383479377659 1.99383746467907 3.13699136604538 2.99851192694016 2499936.773413463 3.72543863335491 78.8756953236312 26.2219267353427 -64.3186889022538 1201821.33739423 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2171-Jun-12 12:07 00:05 Jupiter 1.98617031525537 1.98616872855572 1.98617190195649 2.25793786173799 2.06042788324523 2514164.004900016 5.01307305387912 159.591088049023 13.9795563672462 -86.1283583242601 1554114.11456769 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18
2180-Nov-25 06:19 00:05 Jupiter 1.87269552202758 1.87269440470523 1.87269663934972 2.36006791264201 2.15993473573008 2517617.762881184 5.33690379208963 106.35265306943 11.3163741699483 -85.5821396420377 1236445.37082593 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 09:18:11 2021-Feb-24 09:18

Alternate Designations
 2127 P-L = 2003 WD79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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