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46899 (1998 RF60)
Classification: Main-belt Asteroid          SPK-ID: 2046899
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2264391943250127 4.2582e-08  
a 2.61904173825629 1.418e-08 au
q 2.025988037141954 1.1884e-07 au
i 3.388791485414369 4.7886e-06 deg
node 319.03412830 7.3447e-05 deg
peri 108.2702541501815 7.4702e-05 deg
M 358.26274610512 1.3901e-05 deg
tp 2459007.970898730960
(2020-Jun-07.47089873)
5.9818e-05 TDB
period 1548.146503554834
4.24
1.2573e-05
3.442e-08
d
yr
n .2325361321899268 1.8884e-09 deg/d
Q 3.212095439370625 1.739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      10532 days (28.84 yr)  
   first obs. used      1991-01-15  
   last obs. used      2019-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:58:30  

Additional Information
 Earth MOID = 1.04303 au 
 Jupiter MOID = 2.11403 au 
 T_jup = 3.366 
[ 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 15.3   n/a MPO347849  
rotation period rot_per 3.020 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46899 (1998 RF60)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RF60 = 1991 AN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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