Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
95161 (2002 AS178)
Classification: Main-belt Asteroid          SPK-ID: 2095161
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606304621707927 5.229e-08  
a 2.596094195061252 1.6539e-08 au
q 2.179082384669651 1.4185e-07 au
i 10.8845159606593 5.7916e-06 deg
node 330.9354114536168 1.7827e-05 deg
peri 327.1473661942716 2.8358e-05 deg
M 350.1125471832198 1.716e-05 deg
tp 2459042.462467633223
(2020-Jul-11.96246763)
7.2611e-05 TDB
period 1527.844291941681
4.18
1.46e-05
3.997e-08
d
yr
n .2356261052901466 2.2516e-09 deg/d
Q 3.013106005452853 1.9196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      10727 days (29.37 yr)  
   first obs. used      1991-06-08  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:26:27  

Additional Information
 Earth MOID = 1.17237 au 
 Jupiter MOID = 2.2688 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457426.5 (2016-Feb-08.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595240561921542 5.2439e-08  
q 2.181228037269991 1.4206e-07 au
tp 2457516.225821956884
(2016-May-07.72582196)
8.1871e-05 TDB
node 330.9751113887691 1.7834e-05 deg
peri 327.3352783232141 2.8452e-05 deg
i 10.88246017439714 5.7906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      10727 days (29.37 yr)  
   first obs. used      1991-06-08  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:26:27  

Additional Information
 Jupiter MOID = 2.2688 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.749850012730716E-15 -7.419179448380856E-15 2.750545097877459E-12 -1.908186918061628E-14 7.56733142672611E-13 -9.536391110122252E-15
q -7.419179448380856E-15 2.018086894564405E-14 -7.884168637341869E-12 5.098846152702711E-14 -2.162494182650333E-12 2.561424531740502E-14
tp 2.750545097877459E-12 -7.884168637341869E-12 6.702801658568218E-9 -2.346528055557541E-11 1.822299376423526E-9 -1.090086111760545E-11
node -1.908186918061628E-14 5.098846152702711E-14 -2.346528055557541E-11 3.180482731473433E-10 -3.178488430246262E-10 2.946726159551387E-12
peri 7.56733142672611E-13 -2.162494182650333E-12 1.822299376423526E-9 -3.178488430246262E-10 8.095218076353335E-10 -5.750424734349594E-12
i -9.536391110122252E-15 2.561424531740502E-14 -1.090086111760545E-11 2.946726159551387E-12 -5.750424734349594E-12 3.353111459720999E-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 14.9   n/a MPO385396  

95161 (2002 AS178)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1985-Nov-28 08:54 < 00:01 Iris 0.0420862368601501 0.0420800217091979 0.0420924520131417 6.35418159118446 6.35418156968768 2446397.871074886 0.972501614976691 310.20300172009 57.8847927483573 -2.77139630606408 20938.7218767663 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:26:29 2020-Nov-12 20:26
2140-Sep-25 06:57 00:04 Iris 0.0293413875825145 0.0293395111303667 0.0293432936956875 6.62744958860592 6.6274495590431 2502946.789523664 4.18630159604039 1869.52826393945 58.079469027494 87.7214383551813 75499.7035030305 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:26:29 2020-Nov-12 20:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-05 16:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin