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 ]  
71020 (1999 XW58)
Classification: Main-belt Asteroid          SPK-ID: 2071020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133860632686958 6.7407e-08  
a 2.607966468763094 2.0501e-08 au
q 2.258862427228094 1.8643e-07 au
i 6.462602208906152 3.9388e-06 deg
node 253.3609002929706 4.8438e-05 deg
peri 72.8869541996539 5.2477e-05 deg
M 38.47496549622354 1.7038e-05 deg
tp 2458836.090401015806
(2019-Dec-18.59040102)
7.2374e-05 TDB
period 1538.336808648188
4.21
1.8139e-05
4.966e-08
d
yr
n .2340189729428301 2.7594e-09 deg/d
Q 2.957070510298093 2.3245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:12  

Additional Information
 Earth MOID = 1.25725 au 
 Jupiter MOID = 2.3632 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456404.5 (2013-Apr-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346045873194942 6.743e-08  
q 2.257311582720404 1.8701e-07 au
tp 2455762.187796145261
(2011-Jul-19.68779615)
7.3839e-05 TDB
node 253.3964832017173 4.845e-05 deg
peri 73.60982896518641 5.2437e-05 deg
i 6.461115936558054 3.9367e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:12  

Additional Information
 Jupiter MOID = 2.3632 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.546759325866232E-15 -1.257053144551484E-14 1.104598652917719E-12 1.359691332330083E-14 2.568934834926197E-13 -1.49459991739872E-14
q -1.257053144551484E-14 3.497094665325667E-14 -3.300271858279507E-12 -3.608044587801003E-14 -7.55350536983432E-13 4.158974646558323E-14
tp 1.104598652917719E-12 -3.300271858279507E-12 5.452161844700155E-9 -1.957744441472678E-11 1.508936339376715E-9 -4.476892923961006E-12
node 1.359691332330083E-14 -3.608044587801003E-14 -1.957744441472678E-11 2.347408825908903E-9 -2.338600919918747E-9 5.537378425901245E-11
peri 2.568934834926197E-13 -7.55350536983432E-13 1.508936339376715E-9 -2.338600919918747E-9 2.749626905956177E-9 -5.616493732614315E-11
i -1.49459991739872E-14 4.158974646558323E-14 -4.476892923961006E-12 5.537378425901245E-11 -5.616493732614315E-11 1.549758072484653E-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 15.2   n/a MPO436279  
diameter diameter 2.684 km 0.636 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71020 (1999 XW58)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XW58 = 2002 LX22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 17:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin