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JPL Small-Body Database Browser
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277409 (2005 UR217)
Classification: Main-belt Asteroid          SPK-ID: 2277409
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389897036770926 5.0674e-07  
a 2.523987489178621 2.2115e-08 au
q 2.173179215972995 1.2766e-06 au
i 4.80748112967412 1.7324e-05 deg
node 188.5482617108249 9.5867e-05 deg
peri 271.2678408526925 0.00044844 deg
M 89.96511772607577 0.00041717 deg
tp 2458234.483321566040
(2018-Apr-25.98332157)
0.0016977 TDB
period 1464.634377931061
4.01
1.925e-05
5.27e-08
d
yr
n .2457951318256882 3.2305e-09 deg/d
Q 2.874795762384246 2.5189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5844 days (16.00 yr)  
   first obs. used      2003-04-25  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62461  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:35:19  

Additional Information
 Earth MOID = 1.19647 au 
 Jupiter MOID = 2.28897 au 
 T_jup = 3.436 
[ 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 17.3   n/a MPO433794  

277409 (2005 UR217)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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