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441618 (2008 UN320)
Classification: Main-belt Asteroid          SPK-ID: 2441618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676333738637438 4.4165e-08  
a 2.383741005638685 1.3658e-08 au
q 1.745772357882251 1.0372e-07 au
i 5.467672243763202 5.1012e-06 deg
node 333.0692566879277 4.7287e-05 deg
peri 52.65403184892725 4.9502e-05 deg
M 62.41052371618282 1.0398e-05 deg
tp 2458767.453623825704
(2019-Oct-10.95362383)
3.9225e-05 TDB
period 1344.271613618787
3.68
1.1553e-05
3.163e-08
d
yr
n .267803021616203 2.3016e-09 deg/d
Q 3.02170965339512 1.7313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      5640 days (15.44 yr)  
   first obs. used      2004-08-15  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:15  

Additional Information
 Earth MOID = .755954 au 
 Jupiter MOID = 2.46557 au 
 T_jup = 3.481 
[ 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 17.6   n/a MPO456092  

441618 (2008 UN320)          Discovered 2008-Oct-31 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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