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JPL Small-Body Database Browser
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49056 (1998 RZ39)
Classification: Main-belt Asteroid          SPK-ID: 2049056
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424511946235182 4.367e-08  
a 2.335302113138898 1.0584e-08 au
q 2.002635537315436 1.0099e-07 au
i 6.228845025670146 5.2142e-06 deg
node 133.4883114714448 4.2285e-05 deg
peri 168.0530321251652 4.656e-05 deg
M 317.1530204484256 2.2209e-05 deg
tp 2458755.642486184804
(2019-Sep-29.14248618)
8.1044e-05 TDB
period 1303.506002314627
3.57
8.8613e-06
2.426e-08
d
yr
n .2761782449491988 1.8775e-09 deg/d
Q 2.667968688962361 1.2091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      7424 days (20.33 yr)  
   first obs. used      1998-08-23  
   last obs. used      2018-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:03  

Additional Information
 Earth MOID = .986962 au 
 Jupiter MOID = 2.54337 au 
 T_jup = 3.546 
[ 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 15.2   n/a MPO436126  
diameter diameter 2.270 km 0.369 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.313   0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49056 (1998 RZ39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RZ39 = 2001 HM55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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