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20587 Jargoldman (1999 RD162)
Classification: Main-belt Asteroid          SPK-ID: 2020587
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112249878806899 2.9296e-08  
a 2.97170169759231 1.4295e-08 au
q 2.641174212292579 8.8816e-08 au
i 1.071404754712137 3.5519e-06 deg
node 259.8802616636488 0.0001774 deg
peri 125.8876358055417 0.00017838 deg
M 343.9036645424784 1.6661e-05 deg
tp 2459084.162484793741
(2020-Aug-22.66248479)
8.6495e-05 TDB
period 1871.139838333369
5.12
1.3501e-05
3.696e-08
d
yr
n .1923960960184853 1.3882e-09 deg/d
Q 3.30222918289204 1.5885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1469  
   data-arc span      11351 days (31.08 yr)  
   first obs. used      1989-10-02  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:56  

Additional Information
 Earth MOID = 1.64539 au 
 Jupiter MOID = 2.14114 au 
 T_jup = 3.253 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457079.5 (2015-Feb-26.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142622141471887 2.9476e-08  
q 2.632615626441988 8.9386e-08 au
tp 2457199.783181492265
(2015-Jun-26.28318149)
8.5338e-05 TDB
node 260.2860602248265 0.00017913 deg
peri 123.4496280320291 0.00018 deg
i 1.063674664861933 3.544e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1469  
   data-arc span      11351 days (31.08 yr)  
   first obs. used      1989-10-02  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:56  

Additional Information
 Jupiter MOID = 2.14114 au 
 T_jup = 3.253 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.688113958721617E-16 -2.60916339784107E-15 3.09854081543308E-13 -5.852334635789417E-15 7.267189016137182E-14 -6.835547881315271E-17
q -2.60916339784107E-15 7.98990601308921E-15 -1.20651448288668E-12 2.028943005070993E-14 -2.795682242598981E-13 3.12043333069834E-16
tp 3.09854081543308E-13 -1.20651448288668E-12 7.282518458269216E-9 -1.55038766767861E-11 1.517060838504514E-9 1.532392605572702E-13
node -5.852334635789417E-15 2.028943005070993E-14 -1.55038766767861E-11 3.208841874874105E-8 -3.208627252537016E-8 3.411261951025555E-12
peri 7.267189016137182E-14 -2.795682242598981E-13 1.517060838504514E-9 -3.208627252537016E-8 3.239990674640383E-8 -3.388185114401275E-12
i -6.835547881315271E-17 3.12043333069834E-16 1.532392605572702E-13 3.411261951025555E-12 -3.388185114401275E-12 1.255964059882814E-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 14.3   n/a MPO492968  

20587 Jargoldman           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jarett Goldman (b. 1986) was awarded second place in the 2004 Intel International Science and Engineering Fair for his behavioral and social sciences project. He attends the Syosset High School, Syosset, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 1999 RD162 = 1989 TR14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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