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 ]  
215342 (2001 US225)
Classification: Main-belt Asteroid          SPK-ID: 2215342
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07500632401460375 6.6103e-08  
a 2.784748927257552 2.9609e-08 au
q 2.575875146920352 1.9973e-07 au
i 5.476754605964874 5.5238e-06 deg
node 89.51743063912622 6.876e-05 deg
peri 242.5368552986606 8.2104e-05 deg
M 42.34147722521822 4.1819e-05 deg
tp 2458800.863016146184
(2019-Nov-13.36301615)
0.00019809 TDB
period 1697.373802172616
4.65
2.7072e-05
7.412e-08
d
yr
n .212092350865322 3.3827e-09 deg/d
Q 2.993622707594752 3.183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      9773 days (26.76 yr)  
   first obs. used      1992-11-18  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:04:08  

Additional Information
 Earth MOID = 1.57055 au 
 Jupiter MOID = 2.26158 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457285.5 (2015-Sep-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07749307409298628 6.6365e-08  
q 2.569430227315046 2.0122e-07 au
tp 2457104.375708125497
(2015-Mar-22.87570813)
0.00020041 TDB
node 89.56964200601558 6.8881e-05 deg
peri 242.871515185524 8.1364e-05 deg
i 5.47301865229436 5.5189e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      9773 days (26.76 yr)  
   first obs. used      1992-11-18  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:04:08  

Additional Information
 Jupiter MOID = 2.26158 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.404317001171523E-15 -1.326379216656748E-14 5.018289791432267E-12 -6.536221946362995E-15 1.005313425450687E-12 -2.614592920183468E-15
q -1.326379216656748E-14 4.049064103242211E-14 -1.630258107702633E-11 2.424938723298772E-14 -3.277096603303917E-12 8.649824576860579E-15
tp 5.018289791432267E-12 -1.630258107702633E-11 4.016330800627152E-8 -6.466498629824318E-11 8.731616252251931E-9 -6.101797411998146E-12
node -6.536221946362995E-15 2.424938723298772E-14 -6.466498629824318E-11 4.744623405049367E-9 -4.736884160016289E-9 -4.026520817217603E-11
peri 1.005313425450687E-12 -3.277096603303917E-12 8.731616252251931E-9 -4.736884160016289E-9 6.620075702356365E-9 3.885396211529243E-11
i -2.614592920183468E-15 8.649824576860579E-15 -6.101797411998146E-12 -4.026520817217603E-11 3.885396211529243E-11 3.045880118140896E-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 16.3   n/a MPO440135  
diameter diameter 3.381 km 0.708 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215342 (2001 US225)          Discovered 2001-Oct-16 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2001 US225 = 2006 WO61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 19:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin