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97334 (1999 XY256)
Classification: Main-belt Asteroid          SPK-ID: 2097334
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03232518076800198 7.8484e-08  
a 3.008158190717754 2.2996e-08 au
q 2.910918933424057 2.3291e-07 au
i 10.45895897493395 7.9577e-06 deg
node 39.44021801223987 2.8809e-05 deg
peri 146.7438817317153 6.4082e-05 deg
M 218.8035964430787 5.8268e-05 deg
tp 2459747.930072071963
(2022-Jun-17.43007207)
0.00031132 TDB
period 1905.677617613208
5.22
2.1852e-05
5.983e-08
d
yr
n .1889091820529891 2.1662e-09 deg/d
Q 3.105397448011451 2.3739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      7403 days (20.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:15:09  

Additional Information
 Earth MOID = 1.91377 au 
 Jupiter MOID = 1.86022 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03178619871409253 7.9113e-08  
q 2.912276898011086 2.3446e-07 au
tp 2457867.967801249083
(2017-Apr-24.46780125)
0.00030166 TDB
node 39.4746600254114 2.8827e-05 deg
peri 151.7209788356187 6.3583e-05 deg
i 10.45740326306446 7.962e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      7403 days (20.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:15:09  

Additional Information
 Jupiter MOID = 1.86022 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.258933950271799E-15 -1.846777887909445E-14 -3.077886469675388E-13 3.225144374348318E-15 -7.444579699226187E-14 -6.305985486223284E-15
q -1.846777887909445E-14 5.496999262402176E-14 2.439601824092998E-12 -1.412285310613289E-14 4.743024033848935E-13 2.114924682290837E-14
tp -3.077886469675388E-13 2.439601824092998E-12 9.099970181665424E-8 -3.103371280575517E-11 1.71336585257697E-8 1.542898525163356E-11
node 3.225144374348318E-15 -1.412285310613289E-14 -3.103371280575517E-11 8.31021304840009E-10 -8.225835892501102E-10 -1.537774901707978E-10
peri -7.444579699226187E-14 4.743024033848935E-13 1.71336585257697E-8 -8.225835892501102E-10 4.042754024886785E-9 1.540026232278769E-10
i -6.305985486223284E-15 2.114924682290837E-14 1.542898525163356E-11 -1.537774901707978E-10 1.540026232278769E-10 6.339385720106839E-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 14.2   n/a MPO412727  
diameter diameter 5.043 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97334 (1999 XY256)          Discovered 1999-Dec-07 by CSS at Catalina
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
1905-Aug-27 17:37 00:04 Jupiter 1.97318715064761 1.97318559013863 1.97318871116108 4.1808278843415 4.0768602420479 2417085.233701119 3.74807200744041 176.770163728334 20.8265756830927 -65.8200682988081 2397584.68658971 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 00:15:27 2020-Feb-24 00:15
1952-Apr-09 14:03 00:02 Jupiter 1.8745843810967 1.87458360099424 1.87458516119969 4.02858201373687 3.91481570992065 2434112.085248212 2.16994726686526 146.007644545102 29.4164303220513 -82.7711317999358 1810898.25188139 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 00:15:27 2020-Feb-24 00:15
1998-Nov-16 11:15 < 00:01 Jupiter 1.91326265164661 1.91326196679364 1.91326333649957 3.76343853228338 3.64390552676331 2451133.969020769 0.627616067481111 117.61465026552 26.5204400819008 -84.6821060632663 1838898.89484314 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 00:15:27 2020-Feb-24 00:15
2036-Apr-06 10:20 < 00:01 Jupiter 1.99101167148599 1.99101117555928 1.99101216741281 4.1332144491364 4.02897199338063 2464789.930506619 0.770615358840667 58.3007394425193 16.3613247717324 -76.2600059274451 2568086.30061259 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 00:15:27 2020-Feb-24 00:15
2082-Nov-17 17:31 00:02 Jupiter 1.87953502051568 1.87953436460341 1.8795356764288 4.05259569781665 3.93982501977551 2481816.230156405 2.31700281920857 131.0789220651 22.3672485683525 -81.6727005749134 2005021.56384804 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 00:15:27 2020-Feb-24 00:15
2129-Jun-28 21:42 00:04 Jupiter 1.89450224268411 1.89450105529224 1.89450343009332 3.84491190181388 3.72681599963164 2498840.404453475 3.98686332376209 352.590240826542 25.717453755116 -81.3657229323426 1814459.51115898 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 00:15:27 2020-Feb-24 00:15

Alternate Designations
 1999 XY256 = 2001 CY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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