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441565 (2008 UJ23)
Classification: Main-belt Asteroid          SPK-ID: 2441565
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142129219549708 6.3559e-08  
a 2.363023540984629 2.1595e-08 au
q 1.85683336362193 1.4312e-07 au
i 1.68088057044447 6.2803e-06 deg
node 199.0057441036887 0.0001689 deg
peri 106.1577925719659 0.0001706 deg
M 14.06666233685896 1.9752e-05 deg
tp 2458548.657127007674
(2019-Mar-06.15712701)
7.2433e-05 TDB
period 1326.784835684404
3.63
1.8187e-05
4.979e-08
d
yr
n .2713326157472238 3.7194e-09 deg/d
Q 2.869213718347329 2.622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4610 days (12.62 yr)  
   first obs. used      2007-03-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:41  

Additional Information
 Earth MOID = .841848 au 
 Jupiter MOID = 2.37964 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457741.5 (2016-Dec-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147601604548497 6.3262e-08  
q 1.855284398771248 1.4235e-07 au
tp 2457222.576292100954
(2015-Jul-19.07629210)
6.5121e-05 TDB
node 199.0109716382111 0.00016888 deg
peri 106.3258081433573 0.00017058 deg
i 1.68074887105169 6.283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4610 days (12.62 yr)  
   first obs. used      2007-03-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:41  

Additional Information
 Jupiter MOID = 2.37964 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.002111681748019E-15 -8.956358218968023E-15 -5.949459948457554E-13 -2.841339030484349E-14 -3.474172131806448E-13 -8.103063060592148E-15
q -8.956358218968023E-15 2.026478318557662E-14 1.705850368553268E-12 6.554324466900009E-14 9.316217967262401E-13 1.833735763907644E-14
tp -5.949459948457554E-13 1.705850368553268E-12 4.24073760828304E-9 -1.107433193147743E-12 1.570127382715833E-9 5.770909962266373E-13
node -2.841339030484349E-14 6.554324466900009E-14 -1.107433193147743E-12 2.852182734228143E-8 -2.850791961719459E-8 -1.473883490288509E-10
peri -3.474172131806448E-13 9.316217967262401E-13 1.570127382715833E-9 -2.850791961719459E-8 2.909842608565515E-8 1.479301013851243E-10
i -8.103063060592148E-15 1.833735763907644E-14 5.770909962266373E-13 -1.473883490288509E-10 1.479301013851243E-10 3.947549386055357E-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 18.2   n/a MPO440827  

441565 (2008 UJ23)          Discovered 2008-Sep-07 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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