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97431 (2000 AR204)
Classification: Main-belt Asteroid          SPK-ID: 2097431
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738013025602792 3.8122e-08  
a 2.855147794117447 1.3284e-08 au
q 2.073404609085982 1.0852e-07 au
i 15.41651792406876 4.599e-06 deg
node 160.3185584630565 1.6935e-05 deg
peri 272.4066702799888 1.9408e-05 deg
M 102.6010796886953 8.1594e-06 deg
tp 2458498.283764801105
(2019-Jan-14.78376480)
3.9546e-05 TDB
period 1762.14368523378
4.82
1.2298e-05
3.367e-08
d
yr
n .2042966206539732 1.4258e-09 deg/d
Q 3.636890979148912 1.6921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:18:27  

Additional Information
 Earth MOID = 1.15372 au 
 Jupiter MOID = 1.9784 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457223.5 (2015-Jul-20.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738950391774726 3.7972e-08  
q 2.073436365361252 1.0806e-07 au
tp 2456737.212615015680
(2014-Mar-20.71261502)
4.0782e-05 TDB
node 160.3289003676074 1.6934e-05 deg
peri 272.6628213339196 1.9412e-05 deg
i 15.41634917380069 4.5988e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:18:27  

Additional Information
 Jupiter MOID = 1.9784 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.441843143416845E-15 -4.086719984878647E-15 -8.89617315986055E-13 8.101556344952075E-15 -2.261043670615E-13 -8.358761667744224E-15
q -4.086719984878647E-15 1.167617337262439E-14 2.438436475606972E-12 -1.825210526552455E-14 6.233415303707737E-13 2.559295511283674E-14
tp -8.89617315986055E-13 2.438436475606972E-12 1.663161264312177E-9 -1.188377222022309E-11 4.143205785047415E-10 7.080141141057995E-12
node 8.101556344952075E-15 -1.825210526552455E-14 -1.188377222022309E-11 2.86774278831817E-10 -2.785174296543573E-10 3.85488519857861E-11
peri -2.261043670615E-13 6.233415303707737E-13 4.143205785047415E-10 -2.785174296543573E-10 3.768306000925191E-10 -3.522491034299442E-11
i -8.358761667744224E-15 2.559295511283674E-14 7.080141141057995E-12 3.85488519857861E-11 -3.522491034299442E-11 2.114931753829034E-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

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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
1925-Jun-14 21:44 00:02 Jupiter 1.99142360855105 1.99142298888486 1.99142422821712 2.61446892406768 2.44638046879866 2424316.405701132 1.98330643199215 197.087907755596 32.3864739893888 -78.1736717994961 1412559.05933537 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:29 2020-Nov-12 20:18
2055-Dec-11 06:59 00:01 Jupiter 1.96996055021996 1.96995993685165 1.96996116358816 2.75204700739245 2.59110481736073 2471977.790861109 1.02648436379257 130.72370843256 28.1070962782126 -83.435506451382 1708880.44652646 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:29 2020-Nov-12 20:18
2186-Jun-08 04:21 00:04 Jupiter 1.94388765023941 1.94388703526675 1.94388826521296 2.88058416293061 2.72512245839734 2519638.681180707 3.82480245388406 422.297691667046 27.2788907028153 -81.7757285650417 1725339.64344262 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:29 2020-Nov-12 20:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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