Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084462885139396 5.0656e-08  
a 2.471909805114473 1.2094e-08 au
q 2.203840361208592 1.2928e-07 au
i 10.73290676279021 4.392e-06 deg
node 320.2622342038616 2.2971e-05 deg
peri 232.260506548211 3.3602e-05 deg
M 240.6805991452667 3.0456e-05 deg
tp 2459470.995983526125
(2021-Sep-13.49598353)
0.00012236 TDB
period 1419.539093023245
3.89
1.0418e-05
2.852e-08
d
yr
n .2536034419688257 1.8612e-09 deg/d
Q 2.739979249020354 1.3406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1814  
   data-arc span      14382 days (39.38 yr)  
   first obs. used      1980-09-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:38:03  

Additional Information
 Earth MOID = 1.22336 au 
 Jupiter MOID = 2.28872 au 
 T_jup = 3.451 
[ show covariance matrix ]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-05 23:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin