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JPL Small-Body Database Browser
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59939 (1999 RW192)
Classification: Main-belt Asteroid          SPK-ID: 2059939
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 .1763770019497241 4.0557e-08  
a 3.178525377863354 2.8548e-08 au
q 2.617906601094702 1.3709e-07 au
i 14.28659637726298 4.9061e-06 deg
node 152.8692752085837 2.2097e-05 deg
peri 119.7154823996559 2.7523e-05 deg
M 286.076545660093 1.8536e-05 deg
tp 2459425.527180077908
(2021-Jul-30.02718008)
0.00010886 TDB
period 2069.840840019374
5.67
2.7886e-05
7.635e-08
d
yr
n .173926416485545 2.3432e-09 deg/d
Q 3.739144154632006 3.3583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      9666 days (26.46 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55641  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:24  

Additional Information
 Earth MOID = 1.63684 au 
 Jupiter MOID = 1.69204 au 
 T_jup = 3.128 
[ 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 14.7   n/a MPO436201  
diameter diameter 7.109 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.159 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.027   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59939 (1999 RW192)          Discovered 1999-Sep-13 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW192 = 1998 KQ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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