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 ]  
295894 (2008 WZ76)
Classification: Main-belt Asteroid          SPK-ID: 2295894
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06294432844837469 8.9556e-08  
a 3.044380024338142 4.7274e-08 au
q 2.85275356816453 2.9623e-07 au
i 3.600807881144456 6.6121e-06 deg
node 126.4632465388031 0.00013454 deg
peri 289.4302192779304 0.00015031 deg
M 68.55948869254185 6.8545e-05 deg
tp 2458631.002255579497
(2019-May-27.50225558)
0.00036538 TDB
period 1940.200992278571
5.31
4.5192e-05
1.237e-07
d
yr
n .1855477867667804 4.3219e-09 deg/d
Q 3.236006480511752 5.025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7672 days (21.00 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:06  

Additional Information
 Earth MOID = 1.86708 au 
 Jupiter MOID = 1.99319 au 
 T_jup = 3.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457022.5 (2014-Dec-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06016200889209716 8.8096e-08  
q 2.863992963795706 2.9006e-07 au
tp 2456698.774285325358
(2014-Feb-10.27428533)
0.00037019 TDB
node 126.5064494192444 0.00013432 deg
peri 291.0748326826848 0.00015199 deg
i 3.60154883811985 6.6133e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7672 days (21.00 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:06  

Additional Information
 Jupiter MOID = 1.99319 au 
 T_jup = 3.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.760869173736382E-15 -2.532016713423686E-14 -1.655149575986997E-11 -2.787925851901804E-15 -3.442538484001314E-12 -3.043594002141654E-16
q -2.532016713423686E-14 8.413419667408036E-14 5.566163407875258E-11 9.544519311859303E-15 1.158353322747992E-11 1.77354835043158E-15
tp -1.655149575986997E-11 5.566163407875258E-11 1.370396435277458E-7 5.273193232613007E-12 2.642323044520164E-8 -1.597056674242281E-12
node -2.787925851901804E-15 9.544519311859303E-15 5.273193232613007E-12 1.80415977475163E-8 -1.800417784297513E-8 2.520571127704835E-10
peri -3.442538484001314E-12 1.158353322747992E-11 2.642323044520164E-8 -1.800417784297513E-8 2.310141665087509E-8 -2.517930952918641E-10
i -3.043594002141654E-16 1.77354835043158E-15 -1.597056674242281E-12 2.520571127704835E-10 -2.517930952918641E-10 4.373546844712017E-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 MPO455187  
diameter diameter 4.456 km 1.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295894 (2008 WZ76)          Discovered 2008-Nov-20 by Spacewatch at Kitt Peak
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-Oct-24 22:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin