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 ]  
101328 (1998 SJ162)
Classification: Mars-crossing Asteroid          SPK-ID: 2101328
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3186080672999219 3.8641e-08  
a 2.373067570300931 5.0191e-09 au
q 1.61698909815523 9.1284e-08 au
i 4.871236327253621 4.6616e-06 deg
node 206.9268408001342 4.0115e-05 deg
peri 190.7333928591873 4.0579e-05 deg
M 324.8283743093482 4.8578e-06 deg
tp 2459130.952836109576
(2020-Oct-08.45283611)
1.8119e-05 TDB
period 1335.253064857035
3.66
4.2362e-06
1.16e-08
d
yr
n .269611813277167 8.5536e-10 deg/d
Q 3.129146042446632 6.6183e-09 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1992-01-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:05  

Additional Information
 Earth MOID = .624646 au 
 Jupiter MOID = 2.30133 au 
 T_jup = 3.468 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457621.5 (2016-Aug-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3209525920441106 3.8815e-08  
q 1.610505183750639 9.1972e-08 au
tp 2457794.925599764342
(2017-Feb-10.42559976)
1.703e-05 TDB
node 207.0402004906698 4.0001e-05 deg
peri 190.4656920054661 4.0451e-05 deg
i 4.880064974047837 4.6715e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1992-01-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:05  

Additional Information
 Jupiter MOID = 2.30133 au 
 T_jup = 3.468 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.506641805413409E-15 -3.567571942415889E-15 1.713489783953427E-13 -7.841386716205125E-15 7.339822998863284E-14 -1.053196652502928E-15
q -3.567571942415889E-15 8.45877946976901E-15 -4.068064390290983E-13 1.886292381086134E-14 -1.753014566022872E-13 2.575844690122307E-15
tp 1.713489783953427E-13 -4.068064390290983E-13 2.900294291991312E-10 -3.095829626281017E-12 1.097454664654711E-10 5.153232579322738E-13
node -7.841386716205125E-15 1.886292381086134E-14 -3.095829626281017E-12 1.600045470204357E-9 -1.594364059103271E-9 3.381683791319967E-11
peri 7.339822998863284E-14 -1.753014566022872E-13 1.097454664654711E-10 -1.594364059103271E-9 1.636308063503809E-9 -3.350113150393574E-11
i -1.053196652502928E-15 2.575844690122307E-15 5.153232579322738E-13 3.381683791319967E-11 -3.350113150393574E-11 2.182267868171648E-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 16.4   n/a MPO436473  

101328 (1998 SJ162)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SJ162 = 1987 SD25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-15 21:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin