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49672 (1999 RM103)
Classification: Main-belt Asteroid          SPK-ID: 2049672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309747106226526 4.4731e-08  
a 2.341982414602426 8.3125e-09 au
q 2.035241945566532 1.053e-07 au
i 6.077738444241676 3.7552e-06 deg
node 287.2123452270229 4.4858e-05 deg
peri 86.70453536477929 4.7004e-05 deg
M 148.2742719458786 1.4245e-05 deg
tp 2458061.315783123065
(2017-Nov-03.81578312)
5.1193e-05 TDB
period 1309.103160840655
3.58
6.9696e-06
1.908e-08
d
yr
n .2749974263058245 1.4641e-09 deg/d
Q 2.64872288363832 9.4012e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1366  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1997-01-14  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:51:45  

Additional Information
 Earth MOID = 1.04576 au 
 Jupiter MOID = 2.85309 au 
 T_jup = 3.545 
[ 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 14.9   n/a MPO436130  
diameter diameter 2.151 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.648 h n/a LCDB (Rev. 2019-January); 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.]
geometric albedo albedo 0.552   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49672 (1999 RM103)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RM103 = 2000 YA68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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