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 ]  
160659 (1999 XY156)
Classification: Main-belt Asteroid          SPK-ID: 2160659
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201422431562962 2.9862e-08  
a 2.591366337484159 8.4275e-09 au
q 2.02089713911068 7.5739e-08 au
i 4.890850428152431 4.5749e-06 deg
node 109.2372571761836 3.7938e-05 deg
peri 304.063101037376 3.9651e-05 deg
M 31.19990774813057 1.1242e-05 deg
tp 2459068.448768637652
(2020-Aug-06.94876864)
4.7343e-05 TDB
period 1523.672559361766
4.17
7.4328e-06
2.035e-08
d
yr
n .2362712367483971 1.1526e-09 deg/d
Q 3.161835535857637 1.0283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      10627 days (29.10 yr)  
   first obs. used      1992-02-05  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:15  

Additional Information
 Earth MOID = 1.03637 au 
 Jupiter MOID = 2.2169 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457405.5 (2016-Jan-18.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200556888047911 2.9546e-08  
q 2.02130457952571 7.4748e-08 au
tp 2457539.313780275019
(2016-May-30.81378028)
4.4804e-05 TDB
node 109.4276265806082 3.8103e-05 deg
peri 302.9523697186124 3.9794e-05 deg
i 4.881776186403365 4.5646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      10627 days (29.10 yr)  
   first obs. used      1992-02-05  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:15  

Additional Information
 Jupiter MOID = 2.2169 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.729423287069028E-16 -2.200411333705203E-15 4.264846070451007E-13 -6.498299466475201E-15 1.025256133123742E-13 -3.058061261069572E-16
q -2.200411333705203E-15 5.587283845107107E-15 -1.016648771257711E-12 1.622135577887138E-14 -2.447235576762611E-13 9.767135426332025E-16
tp 4.264846070451007E-13 -1.016648771257711E-12 2.00741480462921E-9 -1.295999667920484E-11 5.221771178718998E-10 2.313538248075215E-13
node -6.498299466475201E-15 1.622135577887138E-14 -1.295999667920484E-11 1.451811665143462E-9 -1.449457432713193E-9 2.69337230347852E-11
peri 1.025256133123742E-13 -2.447235576762611E-13 5.221771178718998E-10 -1.449457432713193E-9 1.583599045203667E-9 -2.6813044960939E-11
i -3.058061261069572E-16 9.767135426332025E-16 2.313538248075215E-13 2.69337230347852E-11 -2.6813044960939E-11 2.083591482243152E-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 15.64   n/a MPCxxxxx  

160659 (1999 XY156)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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
1961-Nov-09 15:03 < 00:01 Juno 0.0243749753292249 0.0243631216477937 0.0243868291084419 4.44161535103132 4.44161523865861 2437613.127281895 0.526421743121355 595.625694620775 33.8626170671331 -7.44070472786595 15193.8765916147 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 20:02:17 2021-Apr-13 20:02

Alternate Designations
 1999 XY156 = 1992 CC5 
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-22 11:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin