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 ]  
(2015 KW120)
Classification: Apollo [NEO]          SPK-ID: 3720002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4901177058668431 9.265e-07  
a 1.603111328375534 3.1898e-06 au
q .8173980818629697 3.2927e-07 au
i 3.368323717604333 1.1517e-05 deg
node 68.35161355928879 1.0098e-05 deg
peri 245.1744260674386 9.4187e-05 deg
M 145.2103614507004 0.0026232 deg
tp 2458701.453270498893
(2019-Aug-05.95327050)
0.0045096 TDB
period 741.3852671728835
2.03
0.0022127
6.058e-06
d
yr
n .4855774938349991 1.4493e-06 deg/d
Q 2.388824574888098 4.7531e-06 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      7 days  
   first obs. used      2015-05-24  
   last obs. used      2015-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30657  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-14 06:13:06  

Additional Information
 Earth MOID = .000499641 au 
 Jupiter MOID = 2.92509 au 
 T_jup = 4.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457168.5 (2015-May-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .495864674458714 9.2385e-07  
q .8211744483383571 3.1548e-07 au
tp 2457218.412347333585
(2015-Jul-14.91234733)
5.9185e-05 TDB
node 68.42004443313394 1.17e-05 deg
peri 244.1045232054146 8.8572e-05 deg
i 3.294299896725879 1.1666e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      127  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      7 days  
   first obs. used      2015-05-24  
   last obs. used      2015-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30657  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-14 06:13:06  

Additional Information
 Jupiter MOID = 2.92509 au 
 T_jup = 4.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.535018841022786E-13 8.527302977248441E-14 -4.803540806954095E-11 7.631230692848481E-12 -6.114257990719795E-11 -1.14158009918024E-13
q 8.527302977248441E-14 9.95270583316811E-14 -1.332774618625546E-11 1.253262091529681E-12 -2.370094430597151E-11 -9.60656558369942E-13
tp -4.803540806954095E-11 -1.332774618625546E-11 3.502909038913089E-9 -4.754309213319123E-10 5.09010708399927E-9 9.619773384962658E-11
node 7.631230692848481E-12 1.253262091529681E-12 -4.754309213319123E-10 1.368984990926466E-10 -7.062877296226885E-10 -7.788360008859742E-11
peri -6.114257990719795E-11 -2.370094430597151E-11 5.09010708399927E-9 -7.062877296226885E-10 7.845005270626006E-9 2.634298063428655E-10
i -1.14158009918024E-13 -9.60656558369942E-13 9.619773384962658E-11 -7.788360008859742E-11 2.634298063428655E-10 1.361023271704231E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.0   n/a MPCxxxxx  
rotation period rot_per 0.1355 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-11 21:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin