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 ]  
249078 (2007 UR128)
Classification: Main-belt Asteroid          SPK-ID: 2249078
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939910879004567 4.014e-08  
a 2.289629100587657 1.6103e-08 au
q 1.845461460476113 8.6321e-08 au
i 10.44213681906762 4.1139e-06 deg
node 72.56724700207329 2.8156e-05 deg
peri 176.92782553748 3.103e-05 deg
M 38.64579687714172 1.4044e-05 deg
tp 2458864.654299588557
(2020-Jan-16.15429959)
4.9225e-05 TDB
period 1265.45332481022
3.46
1.335e-05
3.655e-08
d
yr
n .2844830330300717 3.0011e-09 deg/d
Q 2.733796740699201 1.9227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-03-10  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:20:31  

Additional Information
 Earth MOID = .831464 au 
 Jupiter MOID = 2.30405 au 
 T_jup = 3.553 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO427414  
diameter diameter 2.012 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.058   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

249078 (2007 UR128)          Discovered 2007-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 23:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin