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 ]  
120723 (1997 SA16)
Classification: Main-belt Asteroid          SPK-ID: 2120723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248375243988341 3.5054e-08  
a 2.56664749711816 9.4713e-09 au
q 2.246233577573465 8.7307e-08 au
i 1.215391476598442 3.8361e-06 deg
node 329.9417202068781 0.00015645 deg
peri 110.8152198360237 0.0001573 deg
M 192.9965365256333 1.6141e-05 deg
tp 2459897.240000357659
(2022-Nov-13.74000036)
6.8911e-05 TDB
period 1501.923342848854
4.11
8.3135e-06
2.276e-08
d
yr
n .2396926592253041 1.3268e-09 deg/d
Q 2.887061416662854 1.0654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      8297 days (22.72 yr)  
   first obs. used      1997-09-27  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:50  

Additional Information
 Earth MOID = 1.26196 au 
 Jupiter MOID = 2.32076 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457021.5 (2014-Dec-30.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253228843920982 3.5183e-08  
q 2.245122125739198 8.7694e-08 au
tp 2456897.191507869950
(2014-Aug-27.69150787)
6.331e-05 TDB
node 329.9915649519309 0.00015632 deg
peri 111.4547520111043 0.00015716 deg
i 1.216524396084423 3.8359e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      8297 days (22.72 yr)  
   first obs. used      1997-09-27  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:50  

Additional Information
 Jupiter MOID = 2.32076 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.237820637921902E-15 -3.072988690515708E-15 4.868728339771857E-13 -1.358548566116003E-14 9.450149369939746E-14 9.479080251171146E-18
q -3.072988690515708E-15 7.690173003268803E-15 -1.175294502529001E-12 3.339704793985431E-14 -2.257151014806994E-13 -4.705481290529072E-17
tp 4.868728339771857E-13 -1.175294502529001E-12 4.008094874311386E-9 -2.501917966309296E-11 1.030185419005964E-9 -4.370122280988291E-13
node -1.358548566116003E-14 3.339704793985431E-14 -2.501917966309296E-11 2.443730097210007E-8 -2.443749577791109E-8 -4.382460406917508E-11
peri 9.450149369939746E-14 -2.257151014806994E-13 1.030185419005964E-9 -2.443749577791109E-8 2.469774991783787E-8 4.370542720673796E-11
i 9.479080251171146E-18 -4.705481290529072E-17 -4.370122280988291E-13 -4.382460406917508E-11 4.370542720673796E-11 1.471417407360824E-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 15.66   n/a E2021B55  

120723 (1997 SA16)          Discovered 1997-Sep-27 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2086-Jun-10 11:59 00:03 Iris 0.0413833461544423 0.0413722072047224 0.0413944851039601 3.01095099452451 3.0109509483881 2483116.999634942 3.113584947992 555.067373466459 68.1594887618177 0.804826346653845 11214.1013864503 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:52 2021-Apr-13 17:07

Alternate Designations
 1997 SA16 = 2001 SQ163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 12:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin