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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
437050 (2012 UN32)
Classification: Main-belt Asteroid          SPK-ID: 2437050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06422879948429271 5.6286e-08  
a 2.780978199679556 4.651e-08 au
q 2.602359308522148 1.6605e-07 au
i 3.665521660500414 8.9514e-06 deg
node 219.1933869331397 9.4951e-05 deg
peri 98.23170859078792 0.00011701 deg
M 213.6460562900896 6.8156e-05 deg
tp 2459289.147114846917
(2021-Mar-15.64711485)
0.00032374 TDB
period 1693.927440973377
4.64
4.2495e-05
1.163e-07
d
yr
n .2125238609943848 5.3315e-09 deg/d
Q 2.959597090836963 4.9498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5550 days (15.20 yr)  
   first obs. used      2003-12-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:53:10  

Additional Information
 Earth MOID = 1.59136 au 
 Jupiter MOID = 2.21833 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457182.5 (2015-Jun-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06328797278797921 5.632e-08  
q 2.60525724159744 1.6604e-07 au
tp 2457596.273570277553
(2016-Jul-26.77357028)
0.00032275 TDB
node 219.2073600393707 9.4952e-05 deg
peri 98.58173252963525 0.0001176 deg
i 3.665108676400738 8.9513e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5550 days (15.20 yr)  
   first obs. used      2003-12-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:53:10  

Additional Information
 Jupiter MOID = 2.21833 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.171992383783739E-15 -9.026936767527807E-15 1.684528530097687E-12 -8.300890308363761E-15 3.067881090516499E-13 -4.23479235552263E-15
q -9.026936767527807E-15 2.756840081022064E-14 -3.691291681653673E-12 2.732148019786856E-14 -7.331421931649355E-13 1.437788971627535E-14
tp 1.684528530097687E-12 -3.691291681653673E-12 1.041647179452379E-7 1.088563532357069E-10 2.240779777139882E-8 -7.20857391497794E-12
node -8.300890308363761E-15 2.732148019786856E-14 1.088563532357069E-10 9.01581168014268E-9 -8.973438337819764E-9 -6.078138559908667E-11
peri 3.067881090516499E-13 -7.331421931649355E-13 2.240779777139882E-8 -8.973438337819764E-9 1.383024720451632E-8 5.907582202674119E-11
i -4.23479235552263E-15 1.437788971627535E-14 -7.20857391497794E-12 -6.078138559908667E-11 5.907582202674119E-11 8.012665382682619E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO434606  
diameter diameter 2.859 km 0.855 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437050 (2012 UN32)          Discovered 2007-Oct-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 UN32 = 2007 TE394 = 2010 LH79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 02:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin