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52229 (1978 NN)
Classification: Main-belt Asteroid          SPK-ID: 2052229
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588381589398284 6.798e-08  
a 2.756317737567004 2.5707e-08 au
q 2.318509302678668 1.9339e-07 au
i 35.08204229588418 9.258e-06 deg
node 293.6223000605848 1.0824e-05 deg
peri 318.6860283004166 3.4836e-05 deg
M 79.59965620195032 3.8046e-05 deg
tp 2458630.926317007013
(2019-May-27.42631701)
0.00017551 TDB
period 1671.445986398816
4.58
2.3384e-05
6.402e-08
d
yr
n .2153823712698198 3.0132e-09 deg/d
Q 3.19412617245534 2.9791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      15115 days (41.38 yr)  
   first obs. used      1978-07-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:35  

Additional Information
 Earth MOID = 1.35522 au 
 Jupiter MOID = 2.132 au 
 T_jup = 3.064 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456700.5 (2014-Feb-12.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577535613945688 6.8185e-08  
q 2.322307718539053 1.9391e-07 au
tp 2456959.531394824646
(2014-Oct-29.03139482)
0.00017324 TDB
node 293.6555708234402 1.0828e-05 deg
peri 318.9723009045953 3.4939e-05 deg
i 35.06386637418186 9.2546e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      15115 days (41.38 yr)  
   first obs. used      1978-07-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:35  

Additional Information
 Jupiter MOID = 2.132 au 
 T_jup = 3.064 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.649219823961539E-15 -1.314407442324453E-14 3.772630610945512E-12 2.821833233165482E-15 7.882767685524134E-13 1.76001652002631E-14
q -1.314407442324453E-14 3.760160736659915E-14 -1.016280913181738E-11 -4.717452383202889E-15 -2.146458948120039E-12 -4.645916706585274E-14
tp 3.772630610945512E-12 -1.016280913181738E-11 3.001300948075085E-8 -3.480740926046134E-11 5.787466673545383E-9 -2.508517826807767E-11
node 2.821833233165482E-15 -4.717452383202889E-15 -3.480740926046134E-11 1.172468857993534E-10 -1.014499772953573E-10 9.592921394317189E-12
peri 7.882767685524134E-13 -2.146458948120039E-12 5.787466673545383E-9 -1.014499772953573E-10 1.220757408269662E-9 -1.2153840719809E-11
i 1.76001652002631E-14 -4.645916706585274E-14 -2.508517826807767E-11 9.592921394317189E-12 -1.2153840719809E-11 8.564789110628535E-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 13.6   n/a MPO436149  
diameter diameter 8.744 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52229 (1978 NN)          Discovered 1978-Jul-10 by Helin, E. F., Shoemaker, E. M. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 NN = 2001 LQ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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