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100177 (1994 AH5)
Classification: Main-belt Asteroid          SPK-ID: 2100177
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08287231613603717 4.6884e-08  
a 2.975765192938573 2.5173e-08 au
q 2.729156639122752 1.4573e-07 au
i 2.748604500510853 6.7035e-06 deg
node 302.4372519648958 0.00012159 deg
peri 301.7044494528178 0.00013623 deg
M 328.9405538038897 6.5886e-05 deg
tp 2459362.266140235280
(2021-May-27.76614024)
0.00034398 TDB
period 1874.979035910619
5.13
2.3791e-05
6.514e-08
d
yr
n .1920021467467551 2.4363e-09 deg/d
Q 3.222373746754394 2.7259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:58  

Additional Information
 Earth MOID = 1.71568 au 
 Jupiter MOID = 1.80113 au 
 T_jup = 3.254 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457454.5 (2016-Mar-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08288631170122769 4.7367e-08  
q 2.729330908223436 1.4741e-07 au
tp 2457481.155793928989
(2016-Apr-02.65579393)
0.00033387 TDB
node 302.4734374615549 0.00012158 deg
peri 300.7258117002558 0.00013612 deg
i 2.748545074505332 6.7035e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:58  

Additional Information
 Jupiter MOID = 1.80113 au 
 T_jup = 3.254 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.243654454947368E-15 -6.899824236465184E-15 -6.21563222973255E-12 1.265686680018908E-14 -1.089109748749046E-12 1.390717375202354E-15
q -6.899824236465184E-15 2.172986412213334E-14 2.124116691371066E-11 -5.075383469309374E-14 3.743598114999932E-12 -4.430834395918843E-15
tp -6.21563222973255E-12 2.124116691371066E-11 1.114706500716602E-7 -9.691336171751255E-11 2.048170454662964E-8 -6.936057646464402E-12
node 1.265686680018908E-14 -5.075383469309374E-14 -9.691336171751255E-11 1.478179962366733E-8 -1.478214718531157E-8 3.37143045080449E-10
peri -1.089109748749046E-12 3.743598114999932E-12 2.048170454662964E-8 -1.478214718531157E-8 1.852901369423821E-8 -3.38008049462285E-10
i 1.390717375202354E-15 -4.430834395918843E-15 -6.936057646464402E-12 3.37143045080449E-10 -3.38008049462285E-10 4.493629345190885E-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 15.46   n/a E2021B55  
diameter diameter 4.701 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100177 (1994 AH5)          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-31 17:36 00:04 Jupiter 1.81105855256168 1.8110577192703 1.81105938585398 2.41973630416843 2.21804741933665 2417150.233179320 4.17558060442862 131.195526132844 18.1217520266763 86.2966540984829 2110618.45749112 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
1942-Feb-02 07:33 00:03 Jupiter 1.89305121493 1.89305007839596 1.89305235146404 2.74827771821322 2.58034009099944 2430392.814892125 2.80613069480826 92.1383239173331 29.919839456808 76.9861600506638 1617511.34460923 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
1987-Jan-24 04:40 00:01 Jupiter 1.91023078197177 1.91022983849806 1.9102317254456 3.04278064218654 2.89338670482325 2446819.694257195 1.09690560999436 82.1601270435368 23.7549849585169 -78.1992704556914 1554457.63073485 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
2023-May-01 18:08 < 00:01 Jupiter 1.81785006848793 1.8178493403002 1.81785079667545 2.52813767116378 2.33657554690981 2460066.255700975 0.395834904020512 55.6031074954432 8.39267978969533 -79.0229725103318 1608494.84031885 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
2059-Aug-03 05:01 00:02 Jupiter 1.78486848084219 1.78486788577336 1.78486907591081 2.33832828396268 2.12571503316327 2473308.709195114 1.75642550925474 81.4766682463676 10.9679982715529 -84.23430575781 1893026.93799735 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
2095-Nov-05 12:17 00:03 Jupiter 1.8223467157714 1.82234593974504 1.82234749179808 2.48345101071311 2.28865322374172 2486552.011685777 3.17493120489372 110.283378341511 16.4788885186786 87.4879416577855 1973530.52462183 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
2132-Feb-07 22:59 00:05 Jupiter 1.91542161477922 1.91542000680408 1.91542322275469 2.83171542964875 2.67099011278762 2499794.457638981 4.53309075688729 111.402918612032 34.2031757848147 67.2062713312055 1398627.83525018 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31
2177-Jan-30 21:17 00:06 Jupiter 1.89690089659911 1.89689893900822 1.89690285420747 2.94855525783844 2.79301249368466 2516223.386835855 6.33222727136387 337.054478405495 20.7074393100962 -81.0092382151061 1600947.57641587 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:59 2021-Apr-13 15:31

Alternate Designations
 1994 AH5 = 2000 FQ65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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