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JPL Small-Body Database Browser
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277371 (2005 UJ9)
Classification: Mars-crossing Asteroid          SPK-ID: 2277371
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 .2460587446362946 4.7005e-08  
a 2.195803760666518 9.8996e-09 au
q 1.65550704384926 1.0172e-07 au
i 6.141546742900427 6.2582e-06 deg
node 171.4399706795938 5.4421e-05 deg
peri 151.7450105003825 5.6388e-05 deg
M 96.34398865292034 1.5915e-05 deg
tp 2458282.438696026085
(2018-Jun-12.93869603)
5.1924e-05 TDB
period 1188.471341404636
3.25
8.0372e-06
2.2e-08
d
yr
n .30291012282595 2.0485e-09 deg/d
Q 2.736100477483775 1.2335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      4848 days (13.27 yr)  
   first obs. used      2005-09-23  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:28:22  

Additional Information
 Earth MOID = .645837 au 
 Jupiter MOID = 2.61295 au 
 T_jup = 3.622 
[ 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 MPO455058  

277371 (2005 UJ9)          Discovered 2005-Oct-21 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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