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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03232518545034711 7.5816e-08  
a 3.008158191431255 2.2653e-08 au
q 2.910918920029259 2.2578e-07 au
i 10.45895893805973 7.7784e-06 deg
node 39.44021791161528 2.808e-05 deg
peri 146.7438826875043 6.3722e-05 deg
M 218.8035954301413 5.8199e-05 deg
tp 2459747.930077699920
(2022-Jun-17.43007770)		 0.00031088 TDB
period 1905.677618291216
5.22		 2.1526e-05
5.893e-08		 d
yr
n .1889091819857784 2.1338e-09 deg/d
Q 3.105397462833251 2.3385e-08 au
   Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      7687 days (21.05 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:18:51  

Additional Information
 Earth MOID = 1.91377 au 
 Jupiter MOID = 1.86022 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03182087175762193 7.6452e-08  
q 2.912071292871755 2.2735e-07 au
tp 2457868.052747528427
(2017-Apr-24.55274753)		 0.00030122 TDB
node 39.47478863552212 2.8097e-05 deg
peri 151.745459112097 6.3165e-05 deg
i 10.45757031712002 7.7826e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      7687 days (21.05 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:18:51  

Additional Information
 Jupiter MOID = 1.86022 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.844878781299787E-15 -1.730221024245599E-14 -1.952877042413591E-13 3.112785708889342E-15 -4.077769011774303E-14 -5.922131298856462E-15
q -1.730221024245599E-14 5.168878087208518E-14 2.125295983782401E-12 -1.337056529211986E-14 3.795891294746349E-13 1.99637796455079E-14
tp -1.952877042413591E-13 2.125295983782401E-12 9.073544576874954E-8 -2.618791254169354E-11 1.707582818261323E-8 1.407176815866272E-11
node 3.112785708889342E-15 -1.337056529211986E-14 -2.618791254169354E-11 7.894417539474547E-10 -7.807989197258E-10 -1.429549545081031E-10
peri -4.077769011774303E-14 3.795891294746349E-13 1.707582818261323E-8 -7.807989197258E-10 3.989795213675721E-9 1.430978557113764E-10
i -5.922131298856462E-15 1.99637796455079E-14 1.407176815866272E-11 -1.429549545081031E-10 1.430978557113764E-10 6.056846005485687E-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

[ 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
1905-Aug-27 17:36 00:04 Jupiter 1.97318712648066 1.97318560501542 1.97318864795017 4.18082782423683 4.07686017912085 2417085.233675604 3.68979352992441 173.08352633335 20.741377207292 -65.9408561601725 2437228.19698364 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:53 2020-Nov-12 20:18
1952-Apr-09 14:03 00:02 Jupiter 1.87458436493496 1.87458361432195 1.87458511554851 4.02858194111307 3.91481563419128 2434112.085234367 2.13679411700023 143.777199480322 28.4431705268567 -83.0231541327219 1876771.76022185 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:53 2020-Nov-12 20:18
1998-Nov-16 11:15 < 00:01 Jupiter 1.91326263838568 1.91326197428246 1.91326330248889 3.76343847050177 3.64390546211296 2451133.969020154 0.619277456679321 116.126810221168 25.7952676655625 -84.8149659724382 1899605.41131506 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:53 2020-Nov-12 20:18
2036-Apr-06 10:20 < 00:01 Jupiter 1.9910116658843 1.99101117539117 1.99101215637755 4.13321439267144 4.02897193515766 2464789.930512485 0.748889961121636 58.1101283608657 16.2037540050183 -76.2797099483388 2622732.61430551 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:53 2020-Nov-12 20:18
2082-Nov-17 17:31 00:02 Jupiter 1.87953500941507 1.87953436679723 1.87953565203365 4.05259564174994 3.93982496142843 2481816.230177698 2.27120700010548 128.452293421644 22.1844782143818 -81.8121349997774 2057095.95598192 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:53 2020-Nov-12 20:18
2129-Jun-28 21:42 00:04 Jupiter 1.89450221957316 1.8945010797316 1.89450335943087 3.84491186892691 3.72681596423907 2498840.404487885 3.91441808567479 343.907753210399 25.2697044719924 -81.5253382126487 1867498.4715606 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:18:53 2020-Nov-12 20:18

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