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JPL Small-Body Database Browser
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46884 (1998 RY16)
Classification: Main-belt Asteroid          SPK-ID: 2046884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067631676462902 5.3562e-08  
a 2.449638335642395 1.2296e-08 au
q 1.943143353777188 1.2752e-07 au
i 3.374716120084671 4.2694e-06 deg
node 108.9064718848552 8.1866e-05 deg
peri 272.3163543686274 8.2892e-05 deg
M 206.6572413867816 1.8382e-05 deg
tp 2459597.002341581641
(2022-Jan-17.50234158)
7.5249e-05 TDB
period 1400.397677147825
3.83
1.0544e-05
2.887e-08
d
yr
n .2570698351436916 1.9355e-09 deg/d
Q 2.956133317507603 1.4838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      15772 days (43.18 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52638  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:54  

Additional Information
 Earth MOID = .949527 au 
 Jupiter MOID = 2.50614 au 
 T_jup = 3.464 
[ 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 15.1   n/a MPO337633  
rotation period rot_per 10.650 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.]

46884 (1998 RY16)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RY16 = 1977 DU6 = 2000 EQ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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