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85160 (1988 RW12)
Classification: Main-belt Asteroid          SPK-ID: 2085160
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172077256948835 3.1626e-08  
a 2.557575950954206 1.2309e-08 au
q 2.002050695355515 8.3738e-08 au
i 3.14116815939048 3.8569e-06 deg
node 280.5562621832851 7.9128e-05 deg
peri 32.54667948796938 8.0216e-05 deg
M 293.2607167908006 1.5511e-05 deg
tp 2459277.462055327342
(2021-Mar-03.96205533)
6.483e-05 TDB
period 1493.96779712641
4.09
1.0785e-05
2.953e-08
d
yr
n .2409690494617396 1.7396e-09 deg/d
Q 3.113101206552898 1.4983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      11611 days (31.79 yr)  
   first obs. used      1988-09-11  
   last obs. used      2020-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:53  

Additional Information
 Earth MOID = .988821 au 
 Jupiter MOID = 2.17655 au 
 T_jup = 3.401 
[ 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 15.0   n/a MPO337901  

85160 (1988 RW12)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1988 RW12 = 1992 PB5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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