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 ]  
27946 (1997 NA)
Classification: Main-belt Asteroid          SPK-ID: 2027946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179390077346806 4.8449e-08  
a 2.247484408384563 7.8253e-09 au
q 1.844308006528716 1.0713e-07 au
i 5.691363583711936 5.3948e-06 deg
node 220.7497223837008 3.6667e-05 deg
peri 123.4432122108718 3.8758e-05 deg
M 100.5605598046402 1.4614e-05 deg
tp 2458256.729473117309
(2018-May-18.22947312)
4.9037e-05 TDB
period 1230.675226134316
3.37
6.4275e-06
1.76e-08
d
yr
n .2925223424955088 1.5278e-09 deg/d
Q 2.650660810240411 9.2291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      8426 days (23.07 yr)  
   first obs. used      1996-01-15  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:06:23  

Additional Information
 Earth MOID = .843711 au 
 Jupiter MOID = 2.7773 au 
 T_jup = 3.602 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO257059  

27946 (1997 NA)          Discovered 1997-Jul-01 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 NA = 1996 AG12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 00:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin