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78982 (2003 UN47)
Classification: Main-belt Asteroid          SPK-ID: 2078982
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 .2420221601490834 6.7137e-08  
a 2.750442452332694 2.0349e-08 au
q 2.084774428653393 1.8975e-07 au
i 7.576832171483934 8.0363e-06 deg
node 220.5283944217 3.5092e-05 deg
peri 144.0744205769207 3.7504e-05 deg
M 251.1479008528734 1.6829e-05 deg
tp 2459504.274961599466
(2021-Oct-16.77496160)
8.1911e-05 TDB
period 1666.104628176986
4.56
1.849e-05
5.062e-08
d
yr
n .2160728647599424 2.3979e-09 deg/d
Q 3.416110476011994 2.5274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1996-03-19  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:49  

Additional Information
 Earth MOID = 1.08903 au 
 Jupiter MOID = 2.08745 au 
 T_jup = 3.290 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457229.5 (2015-Jul-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2416485853235066 6.7236e-08  
q 2.085833546342862 1.8996e-07 au
tp 2457839.477799811299
(2017-Mar-26.97779981)
6.9482e-05 TDB
node 220.5381043952566 3.5085e-05 deg
peri 144.3401309890764 3.7494e-05 deg
i 7.577070842042924 8.0368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1996-03-19  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:49  

Additional Information
 Jupiter MOID = 2.08745 au 
 T_jup = 3.290 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.520745268149201E-15 -1.273321840029885E-14 8.728511914214675E-13 -3.043137696707901E-14 3.247084029424723E-13 9.979054715864795E-17
q -1.273321840029885E-14 3.608389074273427E-14 -1.761538432285297E-12 8.211771778697018E-14 -8.088271236407982E-13 8.906908294792099E-16
tp 8.728511914214675E-13 -1.761538432285297E-12 4.827802429788584E-9 -2.587489789853795E-11 9.100190016280515E-10 -2.814651645156538E-12
node -3.043137696707901E-14 8.211771778697018E-14 -2.587489789853795E-11 1.230935627725089E-9 -1.225029968781598E-9 -2.313753818661529E-11
peri 3.247084029424723E-13 -8.088271236407982E-13 9.100190016280515E-10 -1.225029968781598E-9 1.405836974893601E-9 2.239434988305649E-11
i 9.979054715864795E-17 8.906908294792099E-16 -2.814651645156538E-12 -2.313753818661529E-11 2.239434988305649E-11 6.459013857027519E-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 15.5   n/a MPO337851  
diameter diameter 5.754 km 0.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78982 (2003 UN47)          Discovered 2003-Oct-16 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 UN47 = 1998 QT79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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