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100041 (1991 RJ28)
Classification: Main-belt Asteroid          SPK-ID: 2100041
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05191685120258972 3.1333e-08  
a 2.750877614601132 1.3208e-08 au
q 2.60806071080735 8.7944e-08 au
i 9.161987942735724 4.3008e-06 deg
node 150.4516573046907 2.3649e-05 deg
peri 322.1813960748191 5.2891e-05 deg
M 29.0302547264912 4.6148e-05 deg
tp 2459066.114108555636
(2020-Aug-04.61410856)
0.00021367 TDB
period 1666.500048855016
4.56
1.2002e-05
3.286e-08
d
yr
n .2160215958273397 1.5558e-09 deg/d
Q 2.893694518394914 1.3894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      10787 days (29.53 yr)  
   first obs. used      1991-09-08  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:30:55  

Additional Information
 Earth MOID = 1.63005 au 
 Jupiter MOID = 2.14671 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457404.5 (2016-Jan-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05023183696950966 3.1716e-08  
q 2.612072833497477 8.8901e-08 au
tp 2457406.276023895430
(2016-Jan-18.77602390)
0.00022096 TDB
node 150.5200940215257 2.3619e-05 deg
peri 323.5795765961105 5.4087e-05 deg
i 9.167253068364465 4.304e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      10787 days (29.53 yr)  
   first obs. used      1991-09-08  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:30:55  

Additional Information
 Jupiter MOID = 2.14671 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.005892252220865E-15 -2.791562079990488E-15 1.528720874362436E-12 2.304579042748761E-15 3.461446639078095E-13 -1.405394854824959E-16
q -2.791562079990488E-15 7.903400973328518E-15 -4.542203047238428E-12 -6.814719142038524E-15 -1.026499520229386E-12 6.256961305885173E-16
tp 1.528720874362436E-12 -4.542203047238428E-12 4.882138362399879E-8 2.376347944016385E-11 1.076577716439354E-8 9.266636716276374E-12
node 2.304579042748761E-15 -6.814719142038524E-15 2.376347944016385E-11 5.578488476544656E-10 -5.453566306464134E-10 2.453319366412133E-11
peri 3.461446639078095E-13 -1.026499520229386E-12 1.076577716439354E-8 -5.453566306464134E-10 2.925366868449479E-9 -2.218775014578297E-11
i -1.405394854824959E-16 6.256961305885173E-16 9.266636716276374E-12 2.453319366412133E-11 -2.218775014578297E-11 1.852409019732174E-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 15.66   n/a MPCxxxxx  

100041 (1991 RJ28)          Discovered 1991-Sep-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1991 RJ28 = 1998 FS6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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