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101815 (1999 JB12)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101815
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06352791102160242 4.685e-08  
a 1.961907402399446 7.0043e-09 au
q 1.837271523507191 9.3551e-08 au
i 19.81238236148091 5.0686e-06 deg
node 221.5593843961598 1.1755e-05 deg
peri 309.2394539022033 3.6026e-05 deg
M 7.689956576743637 3.6171e-05 deg
tp 2459179.059368519588
(2020-Nov-25.55936852)		 0.00010081 TDB
period 1003.72833785452
2.75		 5.3752e-06
1.472e-08		 d
yr
n .3586627839655336 1.9207e-09 deg/d
Q 2.086543281291701 7.4493e-09 au
   Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      7949 days (21.76 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:45  

Additional Information
 Earth MOID = .861303 au 
 Jupiter MOID = 2.92149 au 
 T_jup = 3.805 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO395896  

101815 (1999 JB12)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JB12 = 2000 UP29 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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