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 ]  
295461 (2008 PU12)
Classification: Main-belt Asteroid          SPK-ID: 2295461
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06195059247948669 5.4386e-08  
a 2.885988270774096 3.6331e-08 au
q 2.707199587510791 1.5625e-07 au
i 7.055132968082207 6.1595e-06 deg
node 139.7872462051215 4.0739e-05 deg
peri 198.1357608451958 5.7737e-05 deg
M 128.2085973948317 4.024e-05 deg
tp 2458362.743464679134
(2018-Sep-01.24346468)
0.00020013 TDB
period 1790.771893467162
4.90
3.3815e-05
9.258e-08
d
yr
n .2010306289222545 3.796e-09 deg/d
Q 3.0647769540374 3.8581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5074 days (13.89 yr)  
   first obs. used      2006-02-05  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:20  

Additional Information
 Earth MOID = 1.69829 au 
 Jupiter MOID = 2.21365 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457230.5 (2015-Jul-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0624276278267357 5.4916e-08  
q 2.705073526212117 1.574e-07 au
tp 2456557.775137863787
(2013-Sep-22.27513786)
0.00019988 TDB
node 139.8825025059475 4.0637e-05 deg
peri 195.2851055657018 5.7211e-05 deg
i 7.06287053927757 6.169e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5074 days (13.89 yr)  
   first obs. used      2006-02-05  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:20  

Additional Information
 Jupiter MOID = 2.21365 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.015796049657308E-15 -8.445086436182551E-15 -7.348208146577396E-13 -2.558826305308883E-18 -1.318113637478524E-13 1.443357208181209E-15
q -8.445086436182551E-15 2.477562759520861E-14 9.677218549486838E-13 -1.696406298490183E-15 2.370123462021368E-13 -2.291622898505233E-15
tp -7.348208146577396E-13 9.677218549486838E-13 3.995118508070137E-8 -2.795229507281506E-11 8.058084094005661E-9 1.858663175987465E-12
node -2.558826305308883E-18 -1.696406298490183E-15 -2.795229507281506E-11 1.651396609496892E-9 -1.644209358369766E-9 2.437632630767295E-11
peri -1.318113637478524E-13 2.370123462021368E-13 8.058084094005661E-9 -1.644209358369766E-9 3.27309946242418E-9 -2.368088701521215E-11
i 1.443357208181209E-15 -2.291622898505233E-15 1.858663175987465E-12 2.437632630767295E-11 -2.368088701521215E-11 3.805650794952706E-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 16.1   n/a MPO455184  

295461 (2008 PU12)          Discovered 2008-Aug-09 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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-26 22:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin