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245476 (2005 NJ64)
Classification: Outer Main-belt Asteroid          SPK-ID: 2245476
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105596801710391 1.0001e-07  
a 3.203939041293009 4.6256e-08 au
q 2.865613325657411 3.0859e-07 au
i 13.60275777506473 9.3225e-06 deg
node 139.631620396163 3.3415e-05 deg
peri 219.7273180484135 4.5393e-05 deg
M 168.3759953295978 3.2569e-05 deg
tp 2458020.778883165800
(2017-Sep-24.27888317)
0.00018202 TDB
period 2094.714281390877
5.74
4.5362e-05
1.242e-07
d
yr
n .1718611474596728 3.7218e-09 deg/d
Q 3.542264756928607 5.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      5328 days (14.59 yr)  
   first obs. used      2005-07-01  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:25  

Additional Information
 Earth MOID = 1.8742 au 
 Jupiter MOID = 1.89926 au 
 T_jup = 3.141 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044737723037197 9.9922e-08  
q 2.868843950964153 3.078e-07 au
tp 2458022.715870559573
(2017-Sep-26.21587056)
0.00018402 TDB
node 139.6527504243583 3.3423e-05 deg
peri 220.2007469591634 4.5671e-05 deg
i 13.60064692264605 9.3211e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      5328 days (14.59 yr)  
   first obs. used      2005-07-01  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:25  

Additional Information
 Jupiter MOID = 1.89926 au 
 T_jup = 3.141 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.984482000361285E-15 -3.051336433430577E-14 -6.394441149238328E-14 3.629935989154102E-14 -2.123617317808944E-13 -6.970141976987074E-15
q -3.051336433430577E-14 9.473844295919958E-14 2.414774872833762E-12 -9.150147031772907E-14 8.826149201463235E-13 2.932726175217164E-14
tp -6.394441149238328E-14 2.414774872833762E-12 3.386481271453246E-8 -2.693133022255555E-11 5.774348488863466E-9 5.69639175174221E-12
node 3.629935989154102E-14 -9.150147031772907E-14 -2.693133022255555E-11 1.117126836522498E-9 -1.090573594594828E-9 1.290250478175712E-10
peri -2.123617317808944E-13 8.826149201463235E-13 5.774348488863466E-9 -1.090573594594828E-9 2.085827224220181E-9 -1.247497033733593E-10
i -6.970141976987074E-15 2.932726175217164E-14 5.69639175174221E-12 1.290250478175712E-10 -1.247497033733593E-10 8.688237680522894E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO433608  
diameter diameter 6.628 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.018   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245476 (2005 NJ64)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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