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 ]  
136402 (2004 YD20)
Classification: Main-belt Asteroid          SPK-ID: 2136402
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434630225257164 6.2344e-08  
a 2.323835105652182 1.3266e-08 au
q 1.990450697543952 1.4149e-07 au
i 3.016436755128992 4.7865e-06 deg
node 115.7922704311875 0.00012873 deg
peri 58.5856094549169 0.00013013 deg
M 79.27155192758998 1.8643e-05 deg
tp 2458715.581106524023
(2019-Aug-20.08110652)
6.6424e-05 TDB
period 1293.916911643716
3.54
1.108e-05
3.034e-08
d
yr
n .2782249746953822 2.3825e-09 deg/d
Q 2.657219513760412 1.517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1993-12-14  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:31:33  

Additional Information
 Earth MOID = .997391 au 
 Jupiter MOID = 2.30695 au 
 T_jup = 3.560 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456590.5 (2013-Oct-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435414087969146 6.2259e-08  
q 1.989831445022007 1.4135e-07 au
tp 2456128.767471185754
(2012-Jul-20.26747119)
6.5165e-05 TDB
node 115.8129355877305 0.00012872 deg
peri 58.50896028255843 0.00013012 deg
i 3.01652213605328 4.787e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1993-12-14  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:31:33  

Additional Information
 Jupiter MOID = 2.30695 au 
 T_jup = 3.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.876198469364605E-15 -8.774641555580977E-15 8.902719863875234E-13 -2.600810336874665E-15 2.391622968031709E-13 -6.4541385979506E-15
q -8.774641555580977E-15 1.998063796420943E-14 -2.157033031952327E-12 8.442488486271375E-15 -5.751134259547127E-13 1.481624241107306E-14
tp 8.902719863875234E-13 -2.157033031952327E-12 4.246478906231484E-9 6.213795726670968E-12 1.290828997743584E-9 -3.812918304936223E-12
node -2.600810336874665E-15 8.442488486271375E-15 6.213795726670968E-12 1.65689218416663E-8 -1.654345854740308E-8 1.078899587139587E-10
peri 2.391622968031709E-13 -5.751134259547127E-13 1.290828997743584E-9 -1.654345854740308E-8 1.693131637819688E-8 -1.087948859442129E-10
i -6.4541385979506E-15 1.481624241107306E-14 -3.812918304936223E-12 1.078899587139587E-10 -1.087948859442129E-10 2.291509690999383E-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 17.0   n/a MPO417720  

136402 (2004 YD20)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2004 YD20 = 1998 BT46 = 2000 UW5 = 2002 JW30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 23:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin