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JPL Small-Body Database Browser
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245473 (2005 NU57)
Classification: Inner Main-belt Asteroid          SPK-ID: 2245473
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06628642062589553 6.6348e-08  
a 1.958222270057598 1.013e-08 au
q 1.828418724985564 1.311e-07 au
i 24.57007733626351 7.583e-06 deg
node 126.7744804130608 1.0979e-05 deg
peri 42.19433100582092 4.0698e-05 deg
M 289.998612049307 3.9427e-05 deg
tp 2459195.123624014642
(2020-Dec-11.62362401)
0.00010993 TDB
period 1000.90164918762
2.74
7.7665e-06
2.126e-08
d
yr
n .3596756986984619 2.7909e-09 deg/d
Q 2.088025815129632 1.0801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7409 days (20.28 yr)  
   first obs. used      1999-05-15  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:25  

Additional Information
 Earth MOID = .86554 au 
 Jupiter MOID = 2.97667 au 
 T_jup = 3.771 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457048.5 (2015-Jan-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06639040705235652 6.6276e-08  
q 1.828294096073475 1.3102e-07 au
tp 2457193.810191568652
(2015-Jun-20.31019157)
0.00010773 TDB
node 126.8050180131162 1.0979e-05 deg
peri 42.32921351747289 4.0699e-05 deg
i 24.56873834500669 7.5829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7409 days (20.28 yr)  
   first obs. used      1999-05-15  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:25  

Additional Information
 Jupiter MOID = 2.97667 au 
 T_jup = 3.771 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.392466965985387E-15 -8.660764977336664E-15 -2.772932490192442E-12 1.244906099149444E-15 -1.101166853733907E-12 -2.476518106630489E-14
q -8.660764977336664E-15 1.716567565960035E-14 5.503411048230068E-12 -2.492873073107076E-15 2.177981745258783E-12 5.026130998103696E-14
tp -2.772932490192442E-12 5.503411048230068E-12 1.160507903747708E-8 -1.482508407000787E-11 4.228526239242585E-9 -4.081728064898009E-12
node 1.244906099149444E-15 -2.492873073107076E-15 -1.482508407000787E-11 1.205344222501877E-10 -1.140242789503423E-10 1.627291868275348E-11
peri -1.101166853733907E-12 2.177981745258783E-12 4.228526239242585E-9 -1.140242789503423E-10 1.656374087050861E-9 -1.590531214677817E-11
i -2.476518106630489E-14 5.026130998103696E-14 -4.081728064898009E-12 1.627291868275348E-11 -1.590531214677817E-11 5.750098740934001E-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 17.0   n/a MPO437143  

245473 (2005 NU57)          Discovered 2005-Jul-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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