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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
79865 (1998 XX98)
Classification: Main-belt Asteroid          SPK-ID: 2079865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2671335397725555 6.0568e-08  
a 2.305176877304794 7.4217e-09 au
q 1.689386818268518 1.3889e-07 au
i 24.20451611729406 5.1087e-06 deg
node 58.87355863003663 9.5543e-06 deg
peri 300.0467029525398 1.1732e-05 deg
M 188.1444153251848 6.2712e-06 deg
tp 2460006.761479678846
(2023-Mar-03.26147968)
2.3213e-05 TDB
period 1278.364814853643
3.50
6.1737e-06
1.69e-08
d
yr
n .2816097531917878 1.36e-09 deg/d
Q 2.920966936341069 9.4043e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      8236 days (22.55 yr)  
   first obs. used      1998-11-13  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:47  

Additional Information
 Earth MOID = .790514 au 
 Jupiter MOID = 2.76077 au 
 T_jup = 3.427 
[ 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 15.28   n/a MPO637111  
diameter diameter 2.641 km 0.618 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79865 (1998 XX98)          Discovered 1998-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 09:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin