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85676 (1998 RT2)
Classification: Main-belt Asteroid          SPK-ID: 2085676
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356750239300902 4.7853e-08  
a 2.430390315448174 9.9962e-09 au
q 2.100647051240284 1.1898e-07 au
i .6659267731173878 4.8699e-06 deg
node 200.462909128142 0.00041705 deg
peri 323.3133857042134 0.00041741 deg
M 97.92256556523 1.7423e-05 deg
tp 2458624.062614446299
(2019-May-20.56261445)
6.636e-05 TDB
period 1383.924716607419
3.79
8.5381e-06
2.338e-08
d
yr
n .2601297568284721 1.6049e-09 deg/d
Q 2.760133579656065 1.1352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-09-13  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:10  

Additional Information
 Earth MOID = 1.10836 au 
 Jupiter MOID = 2.21558 au 
 T_jup = 3.495 
[ 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 16.5   n/a MPO468826  

85676 (1998 RT2)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RT2 = 2000 AB235 = 2010 VF220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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