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 ]  
249367 (2008 YD171)
Classification: Main-belt Asteroid          SPK-ID: 2249367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326559660910056 4.1761e-08  
a 2.221107741217442 1.5202e-08 au
q 1.926464548014031 8.733e-08 au
i 5.45800257002553 6.3287e-06 deg
node 312.217162022165 4.2477e-05 deg
peri 274.3250174877661 4.939e-05 deg
M 61.00895266830182 2.4536e-05 deg
tp 2458795.599067754024
(2019-Nov-08.09906775)
8.2139e-05 TDB
period 1209.073953614628
3.31
1.2413e-05
3.398e-08
d
yr
n .2977485363271202 3.0568e-09 deg/d
Q 2.515750934420853 1.7219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      5398 days (14.78 yr)  
   first obs. used      2006-01-06  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:18:25  

Additional Information
 Earth MOID = .926207 au 
 Jupiter MOID = 2.49638 au 
 T_jup = 3.632 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457988.5 (2017-Aug-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322258529472824 4.1878e-08  
q 1.927172154376068 8.7535e-08 au
tp 2457586.260812657115
(2016-Jul-16.76081266)
8.1771e-05 TDB
node 312.244269193416 4.2498e-05 deg
peri 274.1592698327264 4.9427e-05 deg
i 5.456532370289341 6.3273e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      5398 days (14.78 yr)  
   first obs. used      2006-01-06  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:18:25  

Additional Information
 Jupiter MOID = 2.49638 au 
 T_jup = 3.632 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.753761640466664E-15 -3.633302046818013E-15 -1.519153020447997E-12 1.644544556328679E-15 -4.774039313213673E-13 -7.588187671153587E-16
q -3.633302046818013E-15 7.662321275643436E-15 3.337094971253045E-12 -3.900796106113569E-15 1.060639491833641E-12 1.794466722999181E-15
tp -1.519153020447997E-12 3.337094971253045E-12 6.686547953844522E-9 4.763733103374094E-12 2.073141099964709E-9 3.000772403199205E-12
node 1.644544556328679E-15 -3.900796106113569E-15 4.763733103374094E-12 1.806092147443304E-9 -1.796178900181777E-9 1.214979506528792E-10
peri -4.774039313213673E-13 1.060639491833641E-12 2.073141099964709E-9 -1.796178900181777E-9 2.44299076848792E-9 -1.200434042747727E-10
i -7.588187671153587E-16 1.794466722999181E-15 3.000772403199205E-12 1.214979506528792E-10 -1.200434042747727E-10 4.003417501339034E-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 17.1   n/a MPO433634  

249367 (2008 YD171)          Discovered 2008-Dec-22 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-23 23:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin