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 ]  
129735 (1998 YU)
Classification: Main-belt Asteroid          SPK-ID: 2129735
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502628362431302 3.1369e-08  
a 2.155380857413262 6.1359e-09 au
q 1.831507216594196 6.6922e-08 au
i 1.943267953297325 4.7459e-06 deg
node 310.8606099898997 9.8186e-05 deg
peri 120.7593558424305 9.9602e-05 deg
M 298.492682661232 1.5798e-05 deg
tp 2459197.973463704011
(2020-Dec-14.47346370)
5.0813e-05 TDB
period 1155.804707623555
3.16
4.9355e-06
1.351e-08
d
yr
n .3114713044733954 1.33e-09 deg/d
Q 2.479254498232329 7.0578e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9024 days (24.71 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:46:47  

Additional Information
 Earth MOID = .847037 au 
 Jupiter MOID = 2.77005 au 
 T_jup = 3.686 
[ show covariance matrix ]

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 16.1   n/a MPO268061  

129735 (1998 YU)          Discovered 1998-Dec-16 by Kobayashi, T. at Oizumi
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ 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
2172-Oct-23 21:02 00:07 Iris 0.0233345497300056 0.023294007814631 0.0233750922568098 2.84698294209186 2.84698285555747 2514663.376116571 6.85066517633792 2028.78823993774 29.3616205881661 5.39438773257374 11292.0858873644 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 16:46:51 2020-Nov-12 16:46
2183-Dec-22 04:07 00:10 Thisb 0.0449289990242673 0.0449034001453842 0.0449545979817494 3.78213481865177 3.78213477852715 2518739.671241274 9.66834895137801 1279.43123819406 47.5410962161604 4.27534855125318 11760.4506044958 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 16:46:51 2020-Nov-12 16:46

Alternate Designations
 1998 YU = 1996 DX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-27 00:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin