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 ]  
134490 (1998 XF40)
Classification: Main-belt Asteroid          SPK-ID: 2134490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2828497786628666 3.2629e-08  
a 2.667981496537024 1.1849e-08 au
q 1.913343520764903 8.4664e-08 au
i 10.81904390773344 6.4365e-06 deg
node 298.5816944551565 2.0894e-05 deg
peri 114.6275833564448 2.6405e-05 deg
M 33.97709270895395 1.2707e-05 deg
tp 2459050.270105873326
(2020-Jul-19.77010587)
5.5978e-05 TDB
period 1591.741893542009
4.36
1.0603e-05
2.903e-08
d
yr
n .2261673211345298 1.5066e-09 deg/d
Q 3.422619472309144 1.52e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      10119 days (27.70 yr)  
   first obs. used      1993-07-24  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:02  

Additional Information
 Earth MOID = .953398 au 
 Jupiter MOID = 2.0678 au 
 T_jup = 3.300 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457965.5 (2017-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2817664397457674 3.2455e-08  
q 1.918251334766756 8.3888e-08 au
tp 2457452.782644457980
(2016-Mar-05.28264446)
5.4906e-05 TDB
node 298.9940008812792 2.0964e-05 deg
peri 113.5799642016977 2.6508e-05 deg
i 10.7823745237252 6.4282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      10119 days (27.70 yr)  
   first obs. used      1993-07-24  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:02  

Additional Information
 Jupiter MOID = 2.0678 au 
 T_jup = 3.300 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.053300291545728E-15 -2.709456260518362E-15 1.547896421087938E-13 -1.04144372386762E-14 3.371411061731205E-14 -4.47949017997275E-15
q -2.709456260518362E-15 7.037265114308074E-15 -3.390817260266337E-13 2.568400207747143E-14 -6.236170252267035E-14 1.083723334288548E-14
tp 1.547896421087938E-13 -3.390817260266337E-13 3.014717268334449E-9 -4.186555942385621E-11 8.994870791535771E-10 -1.935856460262701E-12
node -1.04144372386762E-14 2.568400207747143E-14 -4.186555942385621E-11 4.394708778332087E-10 -4.431023599347028E-10 3.411891332455073E-11
peri 3.371411061731205E-14 -6.236170252267035E-14 8.994870791535771E-10 -4.431023599347028E-10 7.026558060159247E-10 -3.443014834835749E-11
i -4.47949017997275E-15 1.083723334288548E-14 -1.935856460262701E-12 3.411891332455073E-11 -3.443014834835749E-11 4.132121407645665E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.97   n/a MPCxxxxx  
diameter diameter 3.224 km 1.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.074   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

134490 (1998 XF40)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1998 XF40 = 2002 RT182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-17 02:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin