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 ]  
97334 (1999 XY256)
Classification: Main-belt Asteroid          SPK-ID: 2097334
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03215571547807724 6.7778e-08  
a 3.008937218247288 2.1707e-08 au
q 2.912182689165931 2.0448e-07 au
i 10.45753644098789 7.0293e-06 deg
node 39.43730894688556 2.5673e-05 deg
peri 146.3922528452833 6.3063e-05 deg
M 256.9294531793161 5.8496e-05 deg
tp 2459746.320943208419
(2022-Jun-15.82094321)
0.00031167 TDB
period 1906.417940101573
5.22
2.0629e-05
5.648e-08
d
yr
n .1888358226322709 2.0434e-09 deg/d
Q 3.105691747328645 2.2405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:14:55  

Additional Information
 Earth MOID = 1.91438 au 
 Jupiter MOID = 1.85894 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457213.5 (2015-Jul-10.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03187176643125214 6.8457e-08  
q 2.911754233156196 2.0615e-07 au
tp 2457868.286421624037
(2017-Apr-24.78642162)
0.00030064 TDB
node 39.47506846393251 2.5685e-05 deg
peri 151.8022136154158 6.2081e-05 deg
i 10.45774583388456 7.0333e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:14:55  

Additional Information
 Jupiter MOID = 1.85894 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.686347251713108E-15 -1.403889284165358E-14 -1.45592151059336E-14 -3.961500351017452E-15 3.371433994892524E-14 -2.836087476160676E-15
q -1.403889284165358E-14 4.249687431837733E-14 1.621534176218725E-12 8.413424803613984E-15 1.689747220294864E-13 1.07451594510839E-14
tp -1.45592151059336E-14 1.621534176218725E-12 9.038262860918457E-8 -3.965398338388228E-11 1.70173346279924E-8 1.786489317895962E-11
node -3.961500351017452E-15 8.413424803613984E-15 -3.965398338388228E-11 6.597294781544875E-10 -6.558549078800375E-10 -1.05024662982948E-10
peri 3.371433994892524E-14 1.689747220294864E-13 1.70173346279924E-8 -6.558549078800375E-10 3.854020591996684E-9 1.065045001565457E-10
i -2.836087476160676E-15 1.07451594510839E-14 1.786489317895962E-11 -1.05024662982948E-10 1.065045001565457E-10 4.946766402965598E-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 14.32   n/a E2021B10  
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 1.97318708360965 1.97318567746071 1.97318848976229 4.18082752207962 4.07685986697038 2417085.233631921 3.5252619546707 162.458755773425 20.3509660457765 -66.3467199704053 2622171.0198925 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 08:14:56 2021-Feb-24 08:14
1952-Apr-09 14:03 00:02 Jupiter 1.87458434624822 1.87458368538884 1.87458500710803 4.0285815131958 3.91481519268798 2434112.085207608 2.04288880598405 134.913158735544 25.3782992488881 -83.6803837537014 2128019.41780876 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 08:14:56 2021-Feb-24 08:14
1998-Nov-16 11:15 < 00:01 Jupiter 1.91326261886752 1.91326201631227 1.91326322142289 3.76343806697231 3.64390504410689 2451133.969011679 0.594646437066941 109.765674540084 23.6271089752802 -85.0486674894325 2123080.72101741 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 08:14:56 2021-Feb-24 08:14
2036-Apr-06 10:20 < 00:01 Jupiter 1.99101164478564 1.99101117282156 1.99101211674995 4.13321413297098 4.02897166761897 2464789.930531705 0.686087440600883 57.7789202459588 15.6648738534222 -76.4019416034236 2848224.8305808 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 08:14:56 2021-Feb-24 08:14
2082-Nov-17 17:31 00:02 Jupiter 1.87953499674009 1.87953439374955 1.87953559973126 4.05259525655268 3.93982456443419 2481816.230206628 2.14153981292321 119.024742074939 21.5446693364963 -82.1348074478405 2258452.21951552 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 08:14:56 2021-Feb-24 08:14
2129-Jun-28 21:43 00:04 Jupiter 1.89450218532756 1.8945011881283 1.89450318254007 3.84491149673436 3.72681557808387 2498840.404539175 3.70991331805683 318.399206542151 23.6399770703685 -82.0375345548592 2090595.7981474 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 08:14:56 2021-Feb-24 08:14

Alternate Designations
 1999 XY256 = 2001 CY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-02 05:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin