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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
15836 (1995 DA2)
Classification: TransNeptunian Object          SPK-ID: 2015836
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07128239156044994 0.00016273  
a 36.29800556009284 0.010526 au
q 33.71059691489491 0.003922 au
i 6.565181048168302 0.00015411 deg
node 127.5799882975058 0.00058793 deg
peri 333.2106750052942 0.1148 deg
M 65.25724292423318 0.12643 deg
tp 2444521.159156106014
(1980-Oct-08.65915611)
21.776 TDB
period 79877.15187192129
218.69
34.744
0.09512
d
yr
n .004506920834849502 1.9603e-06 deg/d
Q 38.88541420529076 0.011276 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      8390 days (22.97 yr)  
   first obs. used      1995-03-30  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .39428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:58  

Additional Information
 Earth MOID = 32.7288 au 
 Jupiter MOID = 28.5085 au 
 T_jup = 5.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2453320.5 (2004-Nov-11.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0782423114784223 0.00017408  
q 33.76012022892603 0.0035849 au
tp 2445407.916443522383
(1983-Mar-14.41644352)
18.2 TDB
node 127.4629806311869 0.00058892 deg
peri 337.710868634273 0.095869 deg
i 6.545844277467253 0.0001535 deg
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      8390 days (22.97 yr)  
   first obs. used      1995-03-30  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .39428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:58  

Additional Information
 Jupiter MOID = 28.5085 au 
 T_jup = 5.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.030504915845197E-8 6.111631540245277E-7 .003114127443610087 -8.381184380250993E-10 1.638963769180677E-5 2.083634502595479E-9
q 6.111631540245277E-7 1.285121677681901E-5 .06522330467218812 -1.967160557126387E-8 .0003435869617538161 4.154686826612874E-8
tp .003114127443610087 .06522330467218812 331.2422342364379 -9.890839988945228E-5 1.744762088134649 .0002118405475030307
node -8.381184380250993E-10 -1.967160557126387E-8 -9.890839988945228E-5 3.468216589497817E-7 -8.667373906219069E-7 5.920886189736447E-8
peri 1.638963769180677E-5 .0003435869617538161 1.744762088134649 -8.667373906219069E-7 .009190772466444494 1.055775149789828E-6
i 2.083634502595479E-9 4.154686826612874E-8 .0002118405475030307 5.920886189736447E-8 1.055775149789828E-6 2.356108655949107E-8

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.7   n/a MPO234925  

15836 (1995 DA2)          Discovered 1995-Feb-24 by Luu, J. X., Jewitt, D. C. at Mauna Kea
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 16:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin