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
JPL Small-Body Database Browser
Search: [ help ]  
18440 (1994 NV1)
Classification: Main-belt Asteroid          SPK-ID: 2018440
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2838538820842559 4.4846e-08  
a 3.03140979885488 1.7787e-08 au
q 2.170932359261669 1.4247e-07 au
i 6.535328220217741 3.8518e-06 deg
node 128.2062353629827 4.6927e-05 deg
peri 162.2517261343257 4.774e-05 deg
M 319.0742103399896 9.6392e-06 deg
tp 2459219.659332545087
(2021-Jan-05.15933255)
5.2679e-05 TDB
period 1927.815208250556
5.28
1.6967e-05
4.645e-08
d
yr
n .1867398900368107 1.6435e-09 deg/d
Q 3.891887238448092 2.2836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      9854 days (26.98 yr)  
   first obs. used      1993-06-17  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:22:15  

Additional Information
 Earth MOID = 1.15581 au 
 Jupiter MOID = 1.33535 au 
 T_jup = 3.171 
[ 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 14.7   n/a MPO431711  
diameter diameter 4.181 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18440 (1994 NV1)          Discovered 1994-Jul-08 by Elst, E. W. at Caussols
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 NV1 = 1998 BY17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 11:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin