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 ]  
78172 (2002 NK32)
Classification: Main-belt Asteroid          SPK-ID: 2078172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997154645153039 5.6477e-08  
a 2.576303517970707 1.4739e-08 au
q 2.061775864146775 1.4087e-07 au
i 13.22060829555874 7.3206e-06 deg
node 229.06638620263 2.4073e-05 deg
peri 143.4186150483472 3.0858e-05 deg
M 82.3480752806524 1.9308e-05 deg
tp 2458655.002492356455
(2019-Jun-20.50249236)
8.0327e-05 TDB
period 1510.406919989047
4.14
1.2961e-05
3.549e-08
d
yr
n .2383463656288139 2.0453e-09 deg/d
Q 3.090831171794638 1.7682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8335 days (22.82 yr)  
   first obs. used      1997-06-15  
   last obs. used      2020-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:54  

Additional Information
 Earth MOID = 1.07927 au 
 Jupiter MOID = 2.42559 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457488.5 (2016-Apr-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004681412123172 5.6464e-08  
q 2.059183875191702 1.4066e-07 au
tp 2457140.785748749650
(2015-Apr-28.28574875)
7.7309e-05 TDB
node 229.1489565474206 2.4131e-05 deg
peri 142.6145265009297 3.0741e-05 deg
i 13.20118939442081 7.3093e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8335 days (22.82 yr)  
   first obs. used      1997-06-15  
   last obs. used      2020-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:54  

Additional Information
 Jupiter MOID = 2.42559 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.188159610660984E-15 -7.919558051859075E-15 1.7347632209755E-12 1.349386973191049E-14 3.408699524539154E-13 -1.863652996054787E-15
q -7.919558051859075E-15 1.978447855966798E-14 -4.374561663137262E-12 -3.180036614423743E-14 -8.543903846592527E-13 5.765771655524568E-15
tp 1.7347632209755E-12 -4.374561663137262E-12 5.976680284307772E-9 2.870919614429297E-11 1.491549185963269E-9 -2.96505546617911E-12
node 1.349386973191049E-14 -3.180036614423743E-14 2.870919614429297E-11 5.823199940416758E-10 -5.597209727931219E-10 6.910886505155609E-11
peri 3.408699524539154E-13 -8.543903846592527E-13 1.491549185963269E-9 -5.597209727931219E-10 9.450015147288452E-10 -6.834629504337435E-11
i -1.863652996054787E-15 5.765771655524568E-15 -2.96505546617911E-12 6.910886505155609E-11 -6.834629504337435E-11 5.342569839727479E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO502628  

78172 (2002 NK32)          Discovered 2002-Jul-13 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-28 00:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin