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441575 (2008 UD48)
Classification: Main-belt Asteroid          SPK-ID: 2441575
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467462930059998 7.6669e-08  
a 2.385100061203691 2.3712e-08 au
q 2.035095468773666 1.8022e-07 au
i 1.726803888133094 8.4858e-06 deg
node 231.8242137263505 0.00032451 deg
peri 49.85810665904846 0.00032784 deg
M 144.7774923855644 4.4935e-05 deg
tp 2458459.425730722186
(2018-Dec-06.92573072)
0.00016601 TDB
period 1345.42140308154
3.68
2.0063e-05
5.493e-08
d
yr
n .2675741586802912 3.9902e-09 deg/d
Q 2.735104653633715 2.7191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1997-10-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55367  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:47  

Additional Information
 Earth MOID = 1.01916 au 
 Jupiter MOID = 2.39091 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457458.5 (2016-Mar-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470653862455921 7.6322e-08  
q 2.034141518331916 1.7935e-07 au
tp 2457115.161978448934
(2015-Apr-02.66197845)
0.00016305 TDB
node 231.8316618627085 0.00032472 deg
peri 50.06356155203984 0.00032805 deg
i 1.725888156373256 8.4898e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1997-10-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55367  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:47  

Additional Information
 Jupiter MOID = 2.39091 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.825039690096648E-15 -1.360391411019027E-14 -3.361868158166172E-13 1.027734125388701E-13 -6.126552231619287E-13 -5.389879834721219E-15
q -1.360391411019027E-14 3.216570569568517E-14 1.073866127975256E-12 -2.519397549687937E-13 1.557739010969513E-12 1.285775155780133E-14
tp -3.361868158166172E-13 1.073866127975256E-12 2.65841814757598E-8 2.103842741391965E-10 7.621038994922363E-9 -2.315284074858525E-11
node 1.027734125388701E-13 -2.519397549687937E-13 2.103842741391965E-10 1.054427834415724E-7 -1.053447694047357E-7 -1.372709835873723E-9
peri -6.126552231619287E-13 1.557739010969513E-12 7.621038994922363E-9 -1.053447694047357E-7 1.076176641098681E-7 1.365930098567821E-9
i -5.389879834721219E-15 1.285775155780133E-14 -2.315284074858525E-11 -1.372709835873723E-9 1.365930098567821E-9 7.207689610326285E-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 18.0   n/a MPO342834  

441575 (2008 UD48)          Discovered 2008-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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