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85681 (1998 RR25)
Classification: Main-belt Asteroid          SPK-ID: 2085681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242554811789847 4.9894e-08  
a 2.384679169464963 9.9634e-09 au
q 2.088369711805592 1.1636e-07 au
i 14.02201702381875 5.4543e-06 deg
node 349.2131113539498 1.2896e-05 deg
peri 190.6583723156121 1.8586e-05 deg
M 225.9743638152632 1.3618e-05 deg
tp 2459897.258973638257
(2022-Nov-13.75897364)
5.1727e-05 TDB
period 1345.06528483319
3.68
8.4297e-06
2.308e-08
d
yr
n .2676450013685736 1.6774e-09 deg/d
Q 2.680988627124333 1.1201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      8362 days (22.89 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:03:40  

Additional Information
 Earth MOID = 1.09489 au 
 Jupiter MOID = 2.28992 au 
 T_jup = 3.485 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.04   n/a E2021B10  

85681 (1998 RR25)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 RR25 = 2002 TW186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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