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 ]  
37870 (1998 FJ23)
Classification: Main-belt Asteroid          SPK-ID: 2037870
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457996129874605 3.1386e-08  
a 2.389832036722341 7.8842e-09 au
q 2.04139545066319 7.4651e-08 au
i 2.155813261215903 3.2394e-06 deg
node 71.2719185415513 9.0616e-05 deg
peri 41.65598222390185 9.1348e-05 deg
M 46.66165853977775 1.0344e-05 deg
tp 2458825.593010214244
(2019-Dec-08.09301021)
3.8825e-05 TDB
period 1349.427309129936
3.69
6.6778e-06
1.828e-08
d
yr
n .2667798387985164 1.3202e-09 deg/d
Q 2.738268622781493 9.0338e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      15127 days (41.42 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:29:16  

Additional Information
 Earth MOID = 1.05855 au 
 Jupiter MOID = 2.35734 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457137.5 (2015-Apr-25.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451973734666352 3.1453e-08  
q 2.043130849401409 7.4783e-08 au
tp 2457477.097337559990
(2016-Mar-29.59733756)
4.0043e-05 TDB
node 71.28752643512637 9.0657e-05 deg
peri 41.94609239231708 9.1392e-05 deg
i 2.155746171224965 3.2376e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      15127 days (41.42 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:29:16  

Additional Information
 Jupiter MOID = 2.35734 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.893118029436277E-16 -2.342654363174448E-15 8.012123213987627E-14 3.927124322788084E-15 1.968590164679554E-14 -2.525407278627978E-16
q -2.342654363174448E-15 5.592444533761073E-15 -2.578413739912672E-13 -8.920803373987683E-15 -6.910154536080722E-14 6.458067201850021E-16
tp 8.012123213987627E-14 -2.578413739912672E-13 1.60343018302549E-9 -6.162807873952264E-12 4.744654208481004E-10 -2.874044142436312E-13
node 3.927124322788084E-15 -8.920803373987683E-15 -6.162807873952264E-12 8.218601889566368E-9 -8.214310180361203E-9 5.732934065060899E-11
peri 1.968590164679554E-14 -6.910154536080722E-14 4.744654208481004E-10 -8.214310180361203E-9 8.352532054689607E-9 -5.737609090582177E-11
i -2.525407278627978E-16 6.458067201850021E-16 -2.874044142436312E-13 5.732934065060899E-11 -5.737609090582177E-11 1.048227815136647E-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 15.0   n/a MPO417076  

37870 (1998 FJ23)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FJ23 = 1978 WA1 = 1989 UO9 = 2000 RX6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-01 02:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin