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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01636841014715947 4.8859e-08  
a 2.732123030452998 1.9414e-08 au
q 2.687402520118042 1.4128e-07 au
i 5.865989522777331 4.7649e-06 deg
node 118.4829055715412 5.0196e-05 deg
peri 261.0715048272479 0.00016615 deg
M 315.7528347861588 0.00016108 deg
tp 2459403.236412097150
(2021-Jul-07.73641210)
0.00073883 TDB
period 1649.486650777417
4.52
1.7582e-05
4.814e-08
d
yr
n .2182497201964799 2.3263e-09 deg/d
Q 2.776843540787953 1.9732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:31  

Additional Information
 Earth MOID = 1.69059 au 
 Jupiter MOID = 2.2818 au 
 T_jup = 3.346 
[ 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 15.27   n/a E2021B10  
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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