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85684 (1998 RN41)
Classification: Main-belt Asteroid          SPK-ID: 2085684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899624503708509 5.0119e-08  
a 2.233958224025019 6.8298e-09 au
q 1.809590045763112 1.125e-07 au
i 3.917122368234575 5.0011e-06 deg
node 332.4548068026044 4.8993e-05 deg
peri 2.987731405413938 4.9742e-05 deg
M 191.5151545940653 8.8543e-06 deg
tp 2459571.280780393107
(2021-Dec-22.78078039)
3.0805e-05 TDB
period 1219.581977515236
3.34
5.5929e-06
1.531e-08
d
yr
n .2951831091612721 1.3537e-09 deg/d
Q 2.658326402286925 8.1272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1998-08-23  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:28  

Additional Information
 Earth MOID = .799822 au 
 Jupiter MOID = 2.71054 au 
 T_jup = 3.613 
[ show covariance matrix ]

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 16.0   n/a MPO453287  

85684 (1998 RN41)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RN41 = 2000 EF142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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