Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
7180 (1991 NG1)
Classification: Main-belt Asteroid          SPK-ID: 2007180
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087627865366113 9.5204e-08  
a 3.01378918377271 3.3128e-08 AU
q 2.686001074111691 2.8645e-07 AU
i 9.046093817474375 9.1038e-06 deg
node 307.5694427472765 5.4859e-05 deg
peri 42.62699606597504 6.8413e-05 deg
M 107.6811270052842 3.7465e-05 deg
tp 2456228.883412061869
(2012-Oct-28.38341206)
0.00019969 JED
period 1911.030998474125
5.23
3.151e-05
8.627e-08
d
yr
n .1883799897999794 3.1061e-09 deg/d
Q 3.341577293433728 3.6731e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      11410 days (31.24 yr)  
   first obs. used      1982-12-22  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54551  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:52:01  

Additional Information
 Earth MOID = 1.6858 AU 
 T_jup = 3.221 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO250280  

7180 (1991 NG1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 NG1 = 1982 YR = 1990 HV2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-20 23:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin