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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
97431 (2000 AR204)
Classification: Main-belt Asteroid          SPK-ID: 2097431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738904403396137 4.0297e-08  
a 2.856172251298254 1.4312e-08 au
q 2.073893975704389 1.1608e-07 au
i 15.4141658864041 4.6278e-06 deg
node 160.3185909003261 1.8403e-05 deg
peri 272.4745646484113 2.1033e-05 deg
M 20.83166793472838 8.1504e-06 deg
tp 2458498.477358571252
(2019-Jan-14.97735857)
3.9893e-05 TDB
period 1763.092183949424
4.83
1.3252e-05
3.628e-08
d
yr
n .2041867142724098 1.5347e-09 deg/d
Q 3.638450526892118 1.8232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:50:39  

Additional Information
 Earth MOID = 1.15401 au 
 Jupiter MOID = 1.97706 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456880.5 (2014-Aug-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2737253104027462 4.0244e-08  
q 2.075312086077907 1.1594e-07 au
tp 2456737.571729839598
(2014-Mar-21.07172984)
4.1964e-05 TDB
node 160.3306353564869 1.8406e-05 deg
peri 272.8293287271156 2.1044e-05 deg
i 15.40992979593418 4.6253e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:50:39  

Additional Information
 Jupiter MOID = 1.97706 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.619612807346879E-15 -4.646836910193766E-15 -7.748598797484941E-13 1.568752970327938E-14 -1.904688649292339E-13 -1.050241379357052E-14
q -4.646836910193766E-15 1.344294414165926E-14 2.069007526964551E-12 -3.978946393492409E-14 5.069547391424333E-13 3.192049284949305E-14
tp -7.748598797484941E-13 2.069007526964551E-12 1.761002671456774E-9 -2.361687203628756E-11 4.592142531648114E-10 6.93140883483968E-12
node 1.568752970327938E-14 -3.978946393492409E-14 -2.361687203628756E-11 3.387879037929541E-10 -3.317210334325576E-10 3.703550594042367E-11
peri -1.904688649292339E-13 5.069547391424333E-13 4.592142531648114E-10 -3.317210334325576E-10 4.428310891243177E-10 -3.394106932061603E-11
i -1.050241379357052E-14 3.192049284949305E-14 6.93140883483968E-12 3.703550594042367E-11 -3.394106932061603E-11 2.139342178402111E-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 14.8   n/a MPO468974  
diameter diameter 6.676 km 1.704 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.048   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

97431 (2000 AR204)          Discovered 2000-Jan-08 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ 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
1925-Jun-14 21:44 00:02 Jupiter 1.99142383173013 1.99142319175263 1.99142447170752 2.61446834572718 2.44637987020579 2424316.405588208 2.10256199327508 201.75585349276 36.9804180646772 -77.5824196596204 1341073.96435411 T 22 CATAB v2.0e-lin.ifort 2019-Jul-13 06:50:46 2019-Jul-13 06:50
2055-Dec-11 06:59 00:01 Jupiter 1.96996078565978 1.9699601440594 1.96996142726005 2.75204774215652 2.59110561759582 2471977.790993422 1.12929852040026 150.254107465784 30.5633057138829 -84.7670761577021 1624940.3363287 T 22 CATAB v2.0e-lin.ifort 2019-Jul-13 06:50:46 2019-Jul-13 06:50
2186-Jun-08 04:21 00:04 Jupiter 1.94388787328002 1.9438872398917 1.94388850666844 2.88058587925275 2.72512429097785 2519638.681548368 4.14124708006042 465.83888435385 30.125817240489 -82.263555500587 1668246.33580889 T 22 CATAB v2.0e-lin.ifort 2019-Jul-13 06:50:46 2019-Jul-13 06:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 03:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin