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 ]  
24180 (1999 XH8)
Classification: Main-belt Asteroid          SPK-ID: 2024180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02370222878682099 3.6547e-08  
a 2.632987298015609 1.0923e-08 au
q 2.57057963068525 9.9129e-08 au
i 11.85588581082091 3.8624e-06 deg
node 93.5939825683387 1.6528e-05 deg
peri 313.2181876466011 8.2305e-05 deg
M 9.528903717419318 7.868e-05 deg
tp 2459159.194107461299
(2020-Nov-05.69410746)
0.00034114 TDB
period 1560.528026613292
4.27
9.7112e-06
2.659e-08
d
yr
n .2306911467532458 1.4356e-09 deg/d
Q 2.695394965345969 1.1182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      16349 days (44.76 yr)  
   first obs. used      1976-05-29  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:37:00  

Additional Information
 Earth MOID = 1.59449 au 
 Jupiter MOID = 2.45965 au 
 T_jup = 3.368 
[ show covariance matrix ]

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 14.31   n/a MPCxxxxx  
diameter diameter 6.277 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24180 (1999 XH8)          Discovered 1999-Dec-03 by Kobayashi, T. at Oizumi
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XH8 = 1976 KM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 12:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin