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