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181693 (5096 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2181693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172865764252698 1.9017e-07  
a 2.553592318694574 1.8569e-08 au
q 1.998730986179564 4.9267e-07 au
i 16.12821657446289 7.2616e-06 deg
node 340.8855737949137 1.9647e-05 deg
peri 38.21619780409603 2.7881e-05 deg
M 194.5589424896515 1.2377e-05 deg
tp 2459885.462141845671
(2022-Nov-01.96214185)
5.5401e-05 TDB
period 1490.478692382737
4.08
1.6257e-05
4.451e-08
d
yr
n .2415331408894482 2.6345e-09 deg/d
Q 3.108453651209585 2.2603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      16982 days (46.49 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:39  

Additional Information
 Earth MOID = 1.01897 au 
 Jupiter MOID = 2.43864 au 
 T_jup = 3.351 
[ show covariance matrix ]

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 15.79   n/a E2021B55  

181693 (5096 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
1901-Dec-30 11:24 00:01 Thisb 0.0408442925789976 0.0408375916151572 0.0408509986513411 5.34277235113788 5.34277231989315 2415748.974845983 1.33919280761916 874.419399840188 151.632852403045 69.7704416736507 37875.1625347858 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:40 2021-Apr-13 21:31
2118-Jul-01 15:45 00:01 Thisb 0.00502769563549304 0.00502486433357706 0.00503052831049979 5.38921923159434 5.38921897995419 2494825.156254195 1.4261327364741 901.424993414799 139.640806449823 88.663756059962 5382.30508184169 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:40 2021-Apr-13 21:31
2138-Nov-03 23:31 00:02 Hygie 0.021521381409334 0.0215101245173612 0.0215326504009767 5.72186226079854 5.72186194704048 2502255.480156548 2.43612263984617 1001.25224470222 137.494656506377 -56.733648137008 19639.4667862471 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:40 2021-Apr-13 21:31

Alternate Designations
 5096 T-2 = 2003 AR81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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