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 ]  
102945 (1999 XT52)
Classification: Main-belt Asteroid          SPK-ID: 2102945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1919933255247259 3.7459e-08  
a 2.445761050890235 1.2885e-08 au
q 1.97619125329097 8.9421e-08 au
i 1.487203847992821 3.4873e-06 deg
node 292.4308965184358 0.00016461 deg
peri 22.63088329264342 0.00016508 deg
M 220.2945620892961 1.6647e-05 deg
tp 2459542.663496957025
(2021-Nov-24.16349696)
6.8063e-05 TDB
period 1397.074171366776
3.82
1.1041e-05
3.023e-08
d
yr
n .2576813796849507 2.0364e-09 deg/d
Q 2.9153308484895 1.5359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      8451 days (23.14 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:38  

Additional Information
 Earth MOID = .962529 au 
 Jupiter MOID = 2.37123 au 
 T_jup = 3.473 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.62   n/a E2021B55  
diameter diameter 1.596 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.438   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102945 (1999 XT52)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XT52 = 1998 KD36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-01 11:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin