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85698 (1998 RB69)
Classification: Main-belt Asteroid          SPK-ID: 2085698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388617107555397 3.5274e-08  
a 2.290862356332577 7.1915e-09 au
q 1.972749290426769 8.035e-08 au
i 2.147480395689632 3.8428e-06 deg
node 4.640849011218344 9.9971e-05 deg
peri 17.45374367865575 0.00010096 deg
M 78.33034275968541 1.3428e-05 deg
tp 2458724.934752096421
(2019-Aug-29.43475210)
4.7104e-05 TDB
period 1266.475873208435
3.47
5.9636e-06
1.633e-08
d
yr
n .2842533423775311 1.3385e-09 deg/d
Q 2.608975422238386 8.1901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1189  
   data-arc span      7885 days (21.59 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:50  

Additional Information
 Earth MOID = .975756 au 
 Jupiter MOID = 2.84599 au 
 T_jup = 3.585 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO348041  
diameter diameter 2.070 km 0.696 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85698 (1998 RB69)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 RB69 = 2000 DB110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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