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101821 (1999 JJ14)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101821
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05383182010707408 5.4497e-08  
a 1.95131714867338 6.5804e-09 au
q 1.846274194954146 1.0784e-07 au
i 18.92354445095269 6.8659e-06 deg
node 247.3428083543722 1.1924e-05 deg
peri 304.5334177767572 5.3534e-05 deg
M 305.8932938754046 5.2592e-05 deg
tp 2459150.136938447910
(2020-Oct-27.63693845)
0.00014549 TDB
period 995.6122207328418
2.73
5.0362e-06
1.379e-08
d
yr
n .3615865620201149 1.829e-09 deg/d
Q 2.056360102392615 6.9346e-09 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49912  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:19  

Additional Information
 Earth MOID = .866006 au 
 Jupiter MOID = 2.98715 au 
 T_jup = 3.823 
[ 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 15.7   n/a MPO385429  

101821 (1999 JJ14)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JJ14 = 2000 YD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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