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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07112355689450484 2.0572e-05  
a 36.287931851636 0.0016019 au
q 33.70700506600225 0.00076687 au
i 6.565198063290445 6.8341e-05 deg
node 127.5802495892624 0.0004508 deg
peri 333.1038284708125 0.021224 deg
M 65.37574971625912 0.022292 deg
tp 2444500.902911524867
(1980-Sep-18.40291152)
3.9891 TDB
period 79843.90197444812
218.60
5.2871
0.01448
d
yr
n .004508797680193639 2.9856e-07 deg/d
Q 38.86885863726974 0.0017159 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1995-03-30  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .76408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:05  

Additional Information
 Earth MOID = 32.7252 au 
 Jupiter MOID = 28.5054 au 
 T_jup = 5.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457021.5 (2014-Dec-30.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07781699049886948 2.2542e-05  
q 33.75488018367304 0.00070512 au
tp 2445364.280157498151
(1983-Jan-29.78015750)
3.4544 TDB
node 127.4236846847969 0.00045173 deg
peri 337.4857765309567 0.018357 deg
i 6.545378725355758 6.7963e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1995-03-30  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .76408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:05  

Additional Information
 Jupiter MOID = 28.5054 au 
 T_jup = 5.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.081300867541585E-10 1.495748689851773E-8 7.464301871531991E-5 -1.210915567652044E-10 3.95585385872834E-7 1.431792717688698E-11
q 1.495748689851773E-8 4.971971402204365E-7 .00242929478328466 -3.932859722726571E-9 1.291393283312901E-5 4.034195219599643E-10
tp 7.464301871531991E-5 .00242929478328466 11.93257349917089 -1.924380939256049E-5 .06339022196411766 2.019830276392332E-6
node -1.210915567652044E-10 -3.932859722726571E-9 -1.924380939256049E-5 2.040628969430856E-7 -3.04964055683473E-7 2.973190398542829E-8
peri 3.95585385872834E-7 1.291393283312901E-5 .06339022196411766 -3.04964055683473E-7 .0003369833237972052 -1.884500043223768E-8
i 1.431792717688698E-11 4.034195219599643E-10 2.019830276392332E-6 2.973190398542829E-8 -1.884500043223768E-8 4.618923429456219E-9

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 ]
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