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85700 (1998 RT70)
Classification: Main-belt Asteroid          SPK-ID: 2085700
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01709335814813137 5.2204e-08  
a 2.733928297267176 2.2055e-08 au
q 2.687196281730677 1.4706e-07 au
i 5.865125611363309 4.8061e-06 deg
node 118.4822153028795 5.8367e-05 deg
peri 259.6724752233227 0.00017734 deg
M 273.5813361204549 0.00017169 deg
tp 2459396.854828913823
(2021-Jul-01.35482891)
0.00078984 TDB
period 1651.121783228008
4.52
1.998e-05
5.47e-08
d
yr
n .218033583989296 2.6384e-09 deg/d
Q 2.780660312803675 2.2432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      7896 days (21.62 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:50  

Additional Information
 Earth MOID = 1.69186 au 
 Jupiter MOID = 2.28323 au 
 T_jup = 3.345 
[ 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 MPO299498  
diameter diameter 5.470 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85700 (1998 RT70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RT70 = 2000 AU83 = 2003 VJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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