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JPL Small-Body Database Browser
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59539 (1999 JU30)
Classification: Main-belt Asteroid          SPK-ID: 2059539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124992240794312 4.2149e-08  
a 2.606779562386824 1.0808e-08 au
q 2.052840928033504 1.1051e-07 au
i 3.02855854835321 3.9683e-06 deg
node 308.1036168480626 9.5275e-05 deg
peri 297.1044008032556 9.5809e-05 deg
M 349.9931016105594 9.6358e-06 deg
tp 2459043.231867898933
(2020-Jul-12.73186790)
4.1113e-05 TDB
period 1537.28676408354
4.21
9.5607e-06
2.618e-08
d
yr
n .2341788197302378 1.4564e-09 deg/d
Q 3.160718196740143 1.3105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:46:58  

Additional Information
 Earth MOID = 1.04167 au 
 Jupiter MOID = 1.88536 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456807.5 (2014-May-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137694514279409 4.212e-08  
q 2.049059537382164 1.1057e-07 au
tp 2457503.705031312524
(2016-Apr-25.20503131)
4.2835e-05 TDB
node 308.1582612149148 9.5207e-05 deg
peri 296.8741018889561 9.5731e-05 deg
i 3.031107313589059 3.9686e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:46:58  

Additional Information
 Jupiter MOID = 1.88536 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.774112742679851E-15 -4.643529978099757E-15 -4.133002874401894E-13 3.583227859354188E-15 -7.119403340109935E-14 -2.085867864018041E-15
q -4.643529978099757E-15 1.222553805487775E-14 9.603087797975414E-13 -9.393676873797407E-15 1.517963322687685E-13 5.428291610297418E-15
tp -4.133002874401894E-13 9.603087797975414E-13 1.834814386763337E-9 4.135841396362839E-12 4.59302564343429E-10 1.199137768427368E-12
node 3.583227859354188E-15 -9.393676873797407E-15 4.135841396362839E-12 9.06435397640275E-9 -9.050365481524104E-9 3.387381717687113E-11
peri -7.119403340109935E-14 1.517963322687685E-13 4.59302564343429E-10 -9.050365481524104E-9 9.164435709873319E-9 -3.355298312297708E-11
i -2.085867864018041E-15 5.428291610297418E-15 1.199137768427368E-12 3.387381717687113E-11 -3.355298312297708E-11 1.574989130559724E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO436197  

59539 (1999 JU30)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JU30 = 1994 AT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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