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 ]  
48576 (1994 NN2)
Classification: Main-belt Asteroid          SPK-ID: 2048576
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234053238022886 4.3375e-08  
a 2.338792912446154 7.3284e-09 au
q 1.791390858223155 1.0146e-07 au
i 22.47809525003225 5.2575e-06 deg
node 217.0534327367687 1.1648e-05 deg
peri 58.14646135012603 1.8128e-05 deg
M 86.77735701714725 9.9931e-06 deg
tp 2458685.587428437699
(2019-Jul-21.08742844)
3.6549e-05 TDB
period 1306.429806798871
3.58
6.1404e-06
1.681e-08
d
yr
n .2755601549555146 1.2952e-09 deg/d
Q 2.886194966669152 9.0436e-09 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      10207 days (27.95 yr)  
   first obs. used      1991-10-14  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:39  

Additional Information
 Earth MOID = .859028 au 
 Jupiter MOID = 2.34216 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457151.5 (2015-May-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335435238085343 4.3344e-08  
q 1.792943421684286 1.0134e-07 au
tp 2457379.111255494356
(2015-Dec-22.61125549)
3.8635e-05 TDB
node 217.066729935739 1.1644e-05 deg
peri 58.18665527772383 1.8167e-05 deg
i 22.47837606438973 5.2576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      10207 days (27.95 yr)  
   first obs. used      1991-10-14  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:39  

Additional Information
 Jupiter MOID = 2.34216 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.878722160963866E-15 -4.385581662488695E-15 -3.759774115283055E-13 4.246264001598906E-14 -1.452177278449184E-13 -3.44952413520726E-14
q -4.385581662488695E-15 1.026946403117723E-14 7.967887483868462E-13 -9.884965292358017E-14 3.090889132593935E-13 8.104386586060158E-14
tp -3.759774115283055E-13 7.967887483868462E-13 1.492686512263986E-9 -1.149095402765465E-11 5.543084092011152E-10 1.382283909686995E-11
node 4.246264001598906E-14 -9.884965292358017E-14 -1.149095402765465E-11 1.355838873701855E-10 -1.280521069461326E-10 1.299956916695846E-11
peri -1.452177278449184E-13 3.090889132593935E-13 5.543084092011152E-10 -1.280521069461326E-10 3.300294411375835E-10 -7.709615810746921E-12
i -3.44952413520726E-14 8.104386586060158E-14 1.382283909686995E-11 1.299956916695846E-11 -7.709615810746921E-12 2.764285536111744E-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 15.1   n/a MPO337645  

48576 (1994 NN2)          Discovered 1994-Jul-11 by Shoemaker, C. S. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 NN2 = 2001 FC55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 20:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin