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101829 (1999 JW28)
Classification: Main-belt Asteroid          SPK-ID: 2101829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1341771093694308 5.7665e-08  
a 2.607815218529939 1.2878e-08 au
q 2.257906110737982 1.4614e-07 au
i 13.34864674105015 1.0073e-05 deg
node 36.85019000115232 1.701e-05 deg
peri 124.6106219232548 4.4529e-05 deg
M 97.60474987942567 3.7958e-05 deg
tp 2458783.455784201270
(2019-Oct-26.95578420)
0.00016154 TDB
period 1538.202985746192
4.21
1.1394e-05
3.12e-08
d
yr
n .2340393324781916 1.7335e-09 deg/d
Q 2.957724326321897 1.4605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:50  

Additional Information
 Earth MOID = 1.29088 au 
 Jupiter MOID = 2.07012 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457856.5 (2017-Apr-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349686704138153 5.742e-08  
q 2.255032606609971 1.4569e-07 au
tp 2457244.899771796308
(2015-Aug-10.39977180)
0.00015885 TDB
node 36.86893636145904 1.7005e-05 deg
peri 124.3507983692667 4.4327e-05 deg
i 13.35273251176167 1.0076e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:50  

Additional Information
 Jupiter MOID = 2.07012 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.297094171880704E-15 -8.345178900304247E-15 5.157441688848281E-12 1.679993763062798E-14 1.240505902073997E-12 -7.620911349320186E-15
q -8.345178900304247E-15 2.122678054691996E-14 -1.323793939682414E-11 -4.205255153754744E-14 -3.176810582893291E-12 2.107637852354706E-14
tp 5.157441688848281E-12 -1.323793939682414E-11 2.523474780060185E-8 5.434676770684068E-11 6.500058405415458E-9 -3.555920848802387E-12
node 1.679993763062798E-14 -4.205255153754744E-14 5.434676770684068E-11 2.891728876161571E-10 -2.666041339482798E-10 2.644250736937403E-11
peri 1.240505902073997E-12 -3.176810582893291E-12 6.500058405415458E-9 -2.666041339482798E-10 1.96492709977027E-9 -2.595308500602891E-11
i -7.620911349320186E-15 2.107637852354706E-14 -3.555920848802387E-12 2.644250736937403E-11 -2.595308500602891E-11 1.015224102137933E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.52   n/a E2021B55  

101829 (1999 JW28)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JW28 = 2001 VZ61 = 2003 ED60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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