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 ]  
212946 (2008 YU145)
Classification: Main-belt Asteroid          SPK-ID: 2212946
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737467946154876 5.1499e-08  
a 3.105840628629883 2.7903e-08 au
q 2.56621077481889 1.5909e-07 au
i 1.756106038481207 6.7873e-06 deg
node 142.8779011270993 0.00018339 deg
peri 309.7900930607321 0.00018487 deg
M 50.86086215419807 2.0198e-05 deg
tp 2458718.045567734347
(2019-Aug-22.54556773)
0.00011135 TDB
period 1999.250333337934
5.47
2.6942e-05
7.376e-08
d
yr
n .1800674952990738 2.4266e-09 deg/d
Q 3.645470482440876 3.2751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:52:19  

Additional Information
 Earth MOID = 1.58334 au 
 Jupiter MOID = 1.55348 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742710812221705 5.1526e-08  
q 2.563455250732364 1.5929e-07 au
tp 2456721.867887826521
(2014-Mar-05.36788783)
0.00010871 TDB
node 142.8870651260967 0.00018342 deg
peri 310.1771681095325 0.00018489 deg
i 1.756050379351739 6.7884e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:52:19  

Additional Information
 Jupiter MOID = 1.55348 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.654889387534437E-15 -8.123445879649002E-15 3.249438616801048E-13 -1.961231276646145E-14 3.959090630837603E-14 -1.274368646838216E-15
q -8.123445879649002E-15 2.537358224236891E-14 -1.166268413308497E-12 5.846735187532566E-14 -1.225880007248644E-13 4.026273017278735E-15
tp 3.249438616801048E-13 -1.166268413308497E-12 1.181832490699508E-8 -4.038801840785375E-11 2.546580983999283E-9 7.897538412674155E-13
node -1.961231276646145E-14 5.846735187532566E-14 -4.038801840785375E-11 3.364471998336741E-8 -3.363651096287198E-8 -1.601187562074002E-12
peri 3.959090630837603E-14 -1.225880007248644E-13 2.546580983999283E-9 -3.363651096287198E-8 3.41825325140049E-8 1.809103778315819E-12
i -1.274368646838216E-15 4.026273017278735E-15 7.897538412674155E-13 -1.601187562074002E-12 1.809103778315819E-12 4.608225786570905E-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 16.2   n/a MPO418140  

212946 (2008 YU145)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2008 YU145 = 2002 XZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-06 00:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin