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49042 (1998 RD2)
Classification: Main-belt Asteroid          SPK-ID: 2049042
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450381886086573 4.8437e-08  
a 2.374480279599171 1.1415e-08 au
q 2.030089960959129 1.1373e-07 au
i 3.008798714220918 4.1159e-06 deg
node 129.8378301580691 0.00011543 deg
peri 303.6047306008111 0.0001166 deg
M 151.166772318413 1.7509e-05 deg
tp 2458039.316211147899
(2017-Oct-12.81621115)
6.4001e-05 TDB
period 1336.445575230082
3.66
9.6368e-06
2.638e-08
d
yr
n .2693712386589499 1.9424e-09 deg/d
Q 2.718870598239213 1.307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      17578 days (48.13 yr)  
   first obs. used      1971-03-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57674  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:49  

Additional Information
 Earth MOID = 1.04666 au 
 Jupiter MOID = 2.53006 au 
 T_jup = 3.526 
[ 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 15.9   n/a MPO436126  
diameter diameter 3.278 km 0.845 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.072   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

49042 (1998 RD2)          Discovered 1998-Sep-12 by Zoltowski, F. B. at Woomera
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD2 = 1993 FG34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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