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5443 Encrenaz (1991 NX1)
Classification: Main-belt Asteroid          SPK-ID: 2005443
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084462863538929 5.0641e-08  
a 2.471909804624899 1.2087e-08 au
q 2.203840366111552 1.2925e-07 au
i 10.73290663285305 4.3844e-06 deg
node 320.2622338379661 2.296e-05 deg
peri 232.2605064606785 3.3592e-05 deg
M 240.6805998687013 3.0451e-05 deg
tp 2459470.995980533728
(2021-Sep-13.49598053)
0.00012233 TDB
period 1419.539092601525
3.89
1.0412e-05
2.851e-08
d
yr
n .2536034420441668 1.8602e-09 deg/d
Q 2.739979243138246 1.3398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      14572 days (39.90 yr)  
   first obs. used      1980-09-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:28:37  

Additional Information
 Earth MOID = 1.22336 au 
 Jupiter MOID = 2.28872 au 
 T_jup = 3.451 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456872.5 (2014-Aug-03.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080323596123379 5.0717e-08  
q 2.204978529070811 1.2933e-07 au
tp 2456632.928481178242
(2013-Dec-06.42848118)
0.00011019 TDB
node 320.3276275585165 2.2953e-05 deg
peri 232.4587488597487 3.3668e-05 deg
i 10.73399787163322 4.3857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      14572 days (39.90 yr)  
   first obs. used      1980-09-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:28:37  

Additional Information
 Jupiter MOID = 2.28872 au 
 T_jup = 3.451 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.572245881109611E-15 -6.539150366717124E-15 -2.442926222116892E-12 -2.125548405492754E-14 -4.922410526788788E-13 2.697918682113808E-15
q -6.539150366717124E-15 1.672656256714602E-14 6.679011309351345E-12 5.598425233549771E-14 1.360034929077173E-12 -6.421095861857842E-15
tp -2.442926222116892E-12 6.679011309351345E-12 1.21413853407719E-8 4.270732033614312E-11 2.733864337288292E-9 1.789397063882344E-12
node -2.125548405492754E-14 5.598425233549771E-14 4.270732033614312E-11 5.268565662388328E-10 -5.075841655627556E-10 2.821245939707208E-11
peri -4.922410526788788E-13 1.360034929077173E-12 2.733864337288292E-9 -5.075841655627556E-10 1.133536958848736E-9 -2.725041987061138E-11
i 2.697918682113808E-15 -6.421095861857842E-15 1.789397063882344E-12 2.821245939707208E-11 -2.725041987061138E-11 1.923428262593248E-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 13.3   n/a MPO347567  
diameter diameter 10.964 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5443 Encrenaz (1991 NX1)          Discovered 1991-Jul-14 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 NX1 = 1980 RZ5 = 1986 AJ2 = 1990 DL6 = 1990 DQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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