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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465855764823661 7.1238e-08  
a 2.38530934000191 2.3365e-08 au
q 2.035657395308958 1.6851e-07 au
i 1.726504925700505 7.6322e-06 deg
node 231.8037876930881 0.00030393 deg
peri 49.96323267509396 0.00030642 deg
M 250.6125007745156 4.0525e-05 deg
tp 2459805.365703869809
(2022-Aug-13.86570387)
0.00015415 TDB
period 1345.598486438747
3.68
1.9771e-05
5.413e-08
d
yr
n .2675389454047128 3.9309e-09 deg/d
Q 2.734961284694862 2.679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      8488 days (23.24 yr)  
   first obs. used      1997-10-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 20:44:09  

Additional Information
 Earth MOID = 1.01948 au 
 Jupiter MOID = 2.38922 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457625.5 (2016-Aug-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14715416487233 7.105e-08  
q 2.033703156654322 1.6811e-07 au
tp 2457115.115322258540
(2015-Apr-02.61532226)
0.00014009 TDB
node 231.8318594806881 0.00030402 deg
peri 50.02870620202078 0.0003065 deg
i 1.726125334386357 7.6355e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      8488 days (23.24 yr)  
   first obs. used      1997-10-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 20:44:09  

Additional Information
 Jupiter MOID = 2.38922 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.048158696558748E-15 -1.186208418969006E-14 1.975940062828765E-12 5.805351504828563E-14 1.914226618724812E-13 -4.947763166614076E-15
q -1.186208418969006E-14 2.825967790700771E-14 -4.107732341464542E-12 -1.462151880655961E-13 -2.498186067565882E-13 1.169954060470405E-14
tp 1.975940062828765E-12 -4.107732341464542E-12 1.962385649939632E-8 5.982856627814596E-11 5.488773689419626E-9 -1.520200543138655E-11
node 5.805351504828563E-14 -1.462151880655961E-13 5.982856627814596E-11 9.242654911063574E-8 -9.237419689509864E-8 -9.496088569486578E-10
peri 1.914226618724812E-13 -2.498186067565882E-13 5.488773689419626E-9 -9.237419689509864E-8 9.394391807857945E-8 9.453167441393468E-10
i -4.947763166614076E-15 1.169954060470405E-14 -1.520200543138655E-11 -9.496088569486578E-10 9.453167441393468E-10 5.830019716864169E-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 18.06   n/a MPCxxxxx  

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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