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 ]  
117261 (2004 SS57)
Classification: Main-belt Asteroid          SPK-ID: 2117261
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 .1304435699189612 4.646e-08  
a 3.103375674345253 2.0147e-08 au
q 2.698560272583995 1.5029e-07 au
i 16.05986068424092 5.4837e-06 deg
node 214.2541808536581 1.4646e-05 deg
peri 191.6808214913825 2.5015e-05 deg
M 337.4269923729194 1.8527e-05 deg
tp 2459325.709384840801
(2021-Apr-21.20938484)
0.00010278 TDB
period 1996.870744358042
5.47
1.9445e-05
5.324e-08
d
yr
n .1802820743491505 1.7556e-09 deg/d
Q 3.508191076106512 2.2775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:52  

Additional Information
 Earth MOID = 1.70809 au 
 Jupiter MOID = 1.91705 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457688.5 (2016-Oct-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327571451610498 4.7413e-08  
q 2.690294401095509 1.5377e-07 au
tp 2457311.145668472154
(2015-Oct-15.64566847)
9.8348e-05 TDB
node 214.4532937173065 1.4582e-05 deg
peri 188.942050326005 2.4456e-05 deg
i 16.10666625365829 5.5037e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:52  

Additional Information
 Jupiter MOID = 1.91705 au 
 T_jup = 3.148 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.247955367133552E-15 -7.249648438625065E-15 -1.106478864613542E-12 -1.105708874316442E-14 -1.536986987323302E-13 -2.952089220665767E-15
q -7.249648438625065E-15 2.36457281154907E-14 3.302780971000225E-12 3.535495286443425E-14 4.540986051800939E-13 1.087465680047548E-14
tp -1.106478864613542E-12 3.302780971000225E-12 9.672399269595174E-9 4.799113759234537E-12 1.943509545519761E-9 1.061106515441333E-11
node -1.105708874316442E-14 3.535495286443425E-14 4.799113759234537E-12 2.126241182247653E-10 -2.028745645961789E-10 -2.69388771199419E-11
peri -1.536986987323302E-13 4.540986051800939E-13 1.943509545519761E-9 -2.028745645961789E-10 5.981019265034661E-10 2.789747329499282E-11
i -2.952089220665767E-15 1.087465680047548E-14 1.061106515441333E-11 -2.69388771199419E-11 2.789747329499282E-11 3.029071036061668E-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 14.80   n/a E2021B55  

117261 (2004 SS57)          Discovered 2004-Sep-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 01:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin