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49095 (1998 RT72)
Classification: Main-belt Asteroid          SPK-ID: 2049095
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242169207594121 3.6174e-08  
a 2.360963868631883 7.7308e-09 au
q 1.831595819983013 8.5611e-08 au
i 2.551659681383013 5.0417e-06 deg
node 10.09648360713305 8.981e-05 deg
peri 48.59183499103358 9.0484e-05 deg
M 317.2176657356757 1.057e-05 deg
tp 2459157.968762300244
(2020-Nov-04.46876230)
3.9081e-05 TDB
period 1325.050523841096
3.63
6.5081e-06
1.782e-08
d
yr
n .2716877534272589 1.3344e-09 deg/d
Q 2.890331917280752 9.4641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      14625 days (40.04 yr)  
   first obs. used      1980-11-01  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:28  

Additional Information
 Earth MOID = .84507 au 
 Jupiter MOID = 2.46336 au 
 T_jup = 3.516 
[ 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 MPO385131  
diameter diameter 2.695 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49095 (1998 RT72)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RT72 = 1980 VR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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