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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
13865 (1999 XA170)
Classification: Main-belt Asteroid          SPK-ID: 2013865
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304922845180747 3.8934e-08  
a 2.665796222728144 1.17e-08 au
q 2.05135076129188 1.0425e-07 au
i 3.227233436518664 3.9367e-06 deg
node 316.8952398547588 8.0144e-05 deg
peri 17.55579651632559 8.062e-05 deg
M 332.0858787222235 1.1123e-05 deg
tp 2459123.770826980725
(2020-Oct-01.27082698)
4.9565e-05 TDB
period 1589.786662866999
4.35
1.0466e-05
2.865e-08
d
yr
n .2264454775024851 1.4908e-09 deg/d
Q 3.280241684164409 1.4397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      17632 days (48.27 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:46:44  

Additional Information
 Earth MOID = 1.04164 au 
 Jupiter MOID = 2.10329 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2293322896061203 3.8977e-08  
q 2.054496213991186 1.0442e-07 au
tp 2455948.225160793423
(2012-Jan-21.72516079)
4.2666e-05 TDB
node 316.9430969009247 8.0206e-05 deg
peri 17.97506815924381 8.0689e-05 deg
i 3.225504119039377 3.9341e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      17632 days (48.27 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:46:44  

Additional Information
 Jupiter MOID = 2.10329 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.519211292739087E-15 -4.05513480946614E-15 7.219704426739034E-13 7.332301647489499E-16 1.496677530589602E-13 -1.060030548360479E-16
q -4.05513480946614E-15 1.090353808716123E-14 -1.883125182987491E-12 -9.796614427216486E-16 -3.854956435522509E-13 4.008524987274708E-16
tp 7.219704426739034E-13 -1.883125182987491E-12 1.820358367925891E-9 -7.010964366475789E-12 4.064481778761107E-10 -2.919147457634458E-13
node 7.332301647489499E-16 -9.796614427216486E-16 -7.010964366475789E-12 6.433045066336096E-9 -6.42372285826221E-9 1.044710120959123E-10
peri 1.496677530589602E-13 -3.854956435522509E-13 4.064481778761107E-10 -6.42372285826221E-9 6.510655015595233E-9 -1.04351163325156E-10
i -1.060030548360479E-16 4.008524987274708E-16 -2.919147457634458E-13 1.044710120959123E-10 -1.04351163325156E-10 1.54772158103897E-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 14.2   n/a MPO384877  
diameter diameter 8.511 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13865 (1999 XA170)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XA170 = 1977 UZ1 = 1981 ST2 = 1981 SZ5 = 1994 RY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-28 07:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin