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JPL Small-Body Database Browser
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59621 (1999 JN72)
Classification: Main-belt Asteroid          SPK-ID: 2059621
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021556899329003 4.0328e-08  
a 2.731387746876871 1.2382e-08 au
q 2.179222172432707 1.0988e-07 au
i 13.00291273490945 4.886e-06 deg
node 197.5874157310354 1.5951e-05 deg
peri 136.0994330961544 1.9037e-05 deg
M 155.0226176843321 1.1021e-05 deg
tp 2458290.487446580091
(2018-Jun-20.98744658)
4.9729e-05 TDB
period 1648.820817563841
4.51
1.1211e-05
3.069e-08
d
yr
n .2183378546444518 1.4846e-09 deg/d
Q 3.283553321321035 1.4885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      14155 days (38.75 yr)  
   first obs. used      1981-05-01  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:50:56  

Additional Information
 Earth MOID = 1.1908 au 
 Jupiter MOID = 2.24031 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457176.5 (2015-Jun-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037076946488991 4.0549e-08  
q 2.173999885691667 1.1047e-07 au
tp 2456637.062760746579
(2013-Dec-10.56276075)
4.8589e-05 TDB
node 197.7013315683153 1.6004e-05 deg
peri 135.2181161291163 1.896e-05 deg
i 12.97932212671351 4.8811e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      14155 days (38.75 yr)  
   first obs. used      1981-05-01  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:50:56  

Additional Information
 Jupiter MOID = 2.24031 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.644248527630939E-15 -4.462101863723806E-15 7.843410573009098E-13 -6.497159455099121E-16 1.433234221203946E-13 1.694482800146824E-15
q -4.462101863723806E-15 1.220369826132539E-14 -2.180068007492215E-12 3.22471103352363E-15 -3.938309754462811E-13 -4.301837483634258E-15
tp 7.843410573009098E-13 -2.180068007492215E-12 2.360908553254884E-9 2.235062007362754E-12 5.021902459614829E-10 -1.664679797043983E-12
node -6.497159455099121E-16 3.22471103352363E-15 2.235062007362754E-12 2.561353529950466E-10 -2.489504895459807E-10 -3.321116074467022E-13
peri 1.433234221203946E-13 -3.938309754462811E-13 5.021902459614829E-10 -2.489504895459807E-10 3.594889245306403E-10 -1.49969488014478E-13
i 1.694482800146824E-15 -4.301837483634258E-15 -1.664679797043983E-12 -3.321116074467022E-13 -1.49969488014478E-13 2.382537133362238E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO452977  

59621 (1999 JN72)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JN72 = 1982 UV4 = 2000 QG123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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