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100176 (1994 AD5)
Classification: Main-belt Asteroid          SPK-ID: 2100176
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05015596031040879 6.2426e-08  
a 2.978084172130965 2.4724e-08 au
q 2.828715500592508 1.8484e-07 au
i 1.22130318752284 4.25e-06 deg
node 48.61970315092303 0.00035311 deg
peri 249.5441544803049 0.00035812 deg
M 227.3070960770517 6.2264e-05 deg
tp 2459692.409155407376
(2022-Apr-22.90915541)
0.00032671 TDB
period 1877.171186872922
5.14
2.3376e-05
6.4e-08
d
yr
n .1917779276165561 2.3882e-09 deg/d
Q 3.127452843669423 2.5964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      9524 days (26.08 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:01:46  

Additional Information
 Earth MOID = 1.81319 au 
 Jupiter MOID = 1.97496 au 
 T_jup = 3.258 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457434.5 (2016-Feb-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04923418405777085 6.2034e-08  
q 2.831203902646748 1.8326e-07 au
tp 2457810.220995792372
(2017-Feb-25.72099579)
0.00033023 TDB
node 48.63094862736276 0.00035292 deg
peri 248.6611852113454 0.00035822 deg
i 1.221860847419909 4.2506e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      9524 days (26.08 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:01:46  

Additional Information
 Jupiter MOID = 1.97496 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.848196371727935E-15 -1.127642418135321E-14 1.123423043093326E-11 -1.758618562526949E-14 2.125551585903357E-12 6.084318104233912E-16
q -1.127642418135321E-14 3.358519054815939E-14 -3.193423695829787E-11 5.779415678851445E-14 -6.076952102035502E-12 -1.748612514150739E-15
tp 1.123423043093326E-11 -3.193423695829787E-11 1.090533923925217E-7 -4.103900462660524E-11 2.038115307415922E-8 2.201052205953009E-12
node -1.758618562526949E-14 5.779415678851445E-14 -4.103900462660524E-11 1.245546035418088E-7 -1.245337587408073E-7 -2.546443733387589E-10
peri 2.125551585903357E-12 -6.076952102035502E-12 2.038115307415922E-8 -1.245337587408073E-7 1.283216557632E-7 2.550027795068754E-10
i 6.084318104233912E-16 -1.748612514150739E-15 2.201052205953009E-12 -2.546443733387589E-10 2.550027795068754E-10 1.806786320257043E-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 15.5   n/a MPO469006  

100176 (1994 AD5)          Discovered 1994-Jan-05 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
1905-Oct-02 23:59 00:04 Jupiter 1.96251525767244 1.96251486317071 1.96251565217438 3.28854522291152 3.15457267070545 2417121.499419110 4.04858161841724 112.828179509574 15.3206896123521 85.7874342362096 3788228.92430059 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 01:02:04 2020-Feb-24 01:02
1942-Jan-25 05:53 00:03 Jupiter 1.99216409658108 1.99216348714764 1.99216470601451 3.23701350675255 3.10288612110488 2430384.745239150 2.71821122854825 66.3569833188867 25.3581715843568 86.203419295037 3204590.11563968 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 01:02:04 2020-Feb-24 01:02
2023-Aug-02 03:28 < 00:01 Jupiter 1.9814120989904 1.98141161265534 1.98141258532545 3.55727063898619 3.4349972121948 2460158.644677381 0.357402475382883 57.0153180169511 17.7983876187146 -84.2883642025433 3037061.52997454 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 01:02:04 2020-Feb-24 01:02
2059-Nov-23 02:51 00:02 Jupiter 1.96188967831476 1.96188930524713 1.96189005138239 3.316611028807 3.18377645616695 2473420.619088508 1.62257911858907 75.3614361081338 13.1481205363354 -88.2488551986526 3681047.23837274 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 01:02:04 2020-Feb-24 01:02
2096-Mar-17 19:19 00:03 Jupiter 1.99157334098912 1.99157286035795 1.9915738216203 3.24930847696903 3.11566994042172 2486685.304620453 2.93955994514638 68.521017546592 19.6895881191968 86.9870201270836 3649873.43183163 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 01:02:04 2020-Feb-24 01:02
2177-Sep-23 14:44 00:06 Jupiter 1.99531059453353 1.99530969975843 1.99531148931726 3.6419717469488 3.52348478160401 2516459.113714659 5.86812607578338 259.319403638982 19.5020182655686 -83.9967417841941 2840238.11714606 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 01:02:04 2020-Feb-24 01:02

Alternate Designations
 1994 AD5 = 2000 EA117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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