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117870 (2174 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117870
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3391559111927259 4.024e-08  
a 2.601563122561258 1.6455e-08 au
q 1.719227611203601 1.0891e-07 au
i 5.252776551963475 5.3334e-06 deg
node 325.1033440121392 7.0571e-05 deg
peri 311.3480574003434 7.1511e-05 deg
M 127.8645947624859 1.5109e-05 deg
tp 2458456.125486339596
(2018-Dec-03.62548634)		 6.062e-05 TDB
period 1532.674664802851
4.20		 1.4542e-05
3.981e-08		 d
yr
n .234883506765806 2.2285e-09 deg/d
Q 3.483898633918915 2.2036e-08 au
   Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      21672 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:21  

Additional Information
 Earth MOID = .708527 au 
 Jupiter MOID = 1.69962 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456834.5 (2014-Jun-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3388729018834991 4.0111e-08  
q 1.719792503367618 1.0852e-07 au
tp 2456924.710985196623
(2014-Sep-24.21098520)		 5.1863e-05 TDB
node 325.1558924551709 7.0553e-05 deg
peri 311.4150708884069 7.15e-05 deg
i 5.253234004712367 5.3358e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      21672 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:21  

Additional Information
 Jupiter MOID = 1.69962 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.608916015032454E-15 -4.333558977672678E-15 -8.110139924777654E-13 2.024032006631626E-14 -2.031126500203904E-13 7.723679615436022E-16
q -4.333558977672678E-15 1.177617665215567E-14 2.403966465548E-12 -4.734896920862983E-14 5.884927221719394E-13 -9.77615160339644E-16
tp -8.110139924777654E-13 2.403966465548E-12 2.689804316281272E-9 -2.521941081171956E-11 6.636539207727678E-10 1.762672219416645E-12
node 2.024032006631626E-14 -4.734896920862983E-14 -2.521941081171956E-11 4.977694422458558E-9 -4.961300606525172E-9 1.424777801948912E-10
peri -2.031126500203904E-13 5.884927221719394E-13 6.636539207727678E-10 -4.961300606525172E-9 5.112293722099233E-9 -1.414326197888909E-10
i 7.723679615436022E-16 -9.77615160339644E-16 1.762672219416645E-12 1.424777801948912E-10 -1.414326197888909E-10 2.847024372468024E-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 15.8   n/a MPO502792  

117870 (2174 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
1953-Mar-26 09:48 00:02 Jupiter 1.89891623440576 1.89891457911647 1.89891788969625 0.517858435148412 n/a 2434462.908194986 1.7850419765951 116.941624105565 34.0381374192929 47.7676934551304 6389434.45455869 F 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51
1966-Jun-03 23:32 00:01 Jupiter 1.72278973324689 1.72278908754205 1.72279037895134 1.12795322786069 0.537553214184384 2439280.480738993 1.1887122391768 2379.25009211798 394.231996791704 39.5000291793839 2623012.44458085 T 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51
2024-Nov-09 21:58 < 00:01 Jupiter 1.76283542848246 1.76283478703748 1.7628360702946 0.641017735323529 n/a 2460624.415115133 0.332198617331089 1504.25567833592 17.1831968503905 88.9718632155837 15340700.3983544 F 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51
2038-Jan-05 05:31 < 00:01 Jupiter 1.83842133701309 1.83842073456554 1.8384219394689 1.31667120812534 0.901196888781517 2465428.730075351 0.647552854818475 1440.38877479139 155.044845620829 76.5050653101665 2119313.76954512 T 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51
2096-Jun-17 16:41 00:02 Jupiter 1.68984512928026 1.6898445823581 1.68984567621452 0.990013315769803 n/a 2486777.195321823 2.05556240169575 485.073595892826 24.1353440416814 88.4977933074784 10467589.1735964 F 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51
2154-Nov-06 06:20 00:04 Jupiter 1.96961200511048 1.96960890909188 1.96961510113385 0.813774398730927 n/a 2508101.763940979 4.07756904486233 220.00033011345 34.388007977484 46.1607166166042 6247424.35781698 F 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51
2168-Jan-20 03:37 00:04 Jupiter 1.6964534508029 1.69645236581489 1.69645453591242 1.22060980173428 0.700933639511666 2512924.650540635 3.84233276675159 2096.28677455637 228.680647995071 61.8761764390277 2794603.32340244 T 23 CATAB v2.0f-lin.ifort 2020-Feb-24 05:51:40 2020-Feb-24 05:51

Alternate Designations
 2174 P-L = 2001 DR86 = 2002 TM185 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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