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48464 (1991 RA17)
Classification: Main-belt Asteroid          SPK-ID: 2048464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599144578616519 6.7787e-08  
a 2.301111876518654 5.9375e-09 au
q 1.933130818306165 1.5551e-07 au
i 7.232240632788259 6.7107e-06 deg
node 35.37164382015825 2.9631e-05 deg
peri 304.0589076844571 3.3548e-05 deg
M 340.4456039888263 1.5654e-05 deg
tp 2458669.754330173644
(2019-Jul-05.25433017)
5.5497e-05 TDB
period 1274.984860093117
3.49
4.9347e-06
1.351e-08
d
yr
n .2823562939984307 1.0928e-09 deg/d
Q 2.669092934731143 6.887e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1384  
   data-arc span      11280 days (30.88 yr)  
   first obs. used      1988-12-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:09  

Additional Information
 Earth MOID = .935239 au 
 Jupiter MOID = 2.73515 au 
 T_jup = 3.564 
[ 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 14.6   n/a MPO449310  
rotation period rot_per 17.419 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

48464 (1991 RA17)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RA17 = 1997 JS16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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