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85849 (1999 AW)
Classification: Main-belt Asteroid          SPK-ID: 2085849
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 .1598644845051851 3.2385e-08  
a 2.357279877238549 9.5643e-09 au
q 1.980434544829362 7.8222e-08 au
i 6.144779280952695 3.4973e-06 deg
node 83.45182112676136 4.1067e-05 deg
peri 32.11243370871328 4.4085e-05 deg
M 325.6633806102096 1.8999e-05 deg
tp 2459126.586962921643
(2020-Oct-04.08696292)
7.0296e-05 TDB
period 1321.950368395562
3.62
8.0454e-06
2.203e-08
d
yr
n .2723248985791565 1.6574e-09 deg/d
Q 2.734125209647736 1.1093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      8421 days (23.06 yr)  
   first obs. used      1997-09-01  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57806  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:10:39  

Additional Information
 Earth MOID = .999934 au 
 Jupiter MOID = 2.37126 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456842.5 (2014-Jul-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589302020681683 3.2364e-08  
q 1.982698189057063 7.8073e-08 au
tp 2456481.766908269019
(2013-Jul-08.26690827)
6.0697e-05 TDB
node 83.48528598665794 4.1096e-05 deg
peri 31.99840159544522 4.4155e-05 deg
i 6.142661381119139 3.4957e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      8421 days (23.06 yr)  
   first obs. used      1997-09-01  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57806  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:10:39  

Additional Information
 Jupiter MOID = 2.37126 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.047397741729853E-15 -2.513619277539497E-15 6.403330729835653E-14 2.370454789604379E-15 3.567563773583036E-14 1.448415436679813E-16
q -2.513619277539497E-15 6.095352881058569E-15 1.14899960741019E-13 -6.363265425931761E-15 -1.325043693685999E-14 4.451392418985142E-17
tp 6.403330729835653E-14 1.14899960741019E-13 3.684123637190886E-9 -9.160681588225211E-12 1.001611496142074E-9 2.63513209399862E-12
node 2.370454789604379E-15 -6.363265425931761E-15 -9.160681588225211E-12 1.688893622071998E-9 -1.681437609280205E-9 -1.748823778472807E-11
peri 3.567563773583036E-14 -1.325043693685999E-14 1.001611496142074E-9 -1.681437609280205E-9 1.94967679335031E-9 1.807538469647581E-11
i 1.448415436679813E-16 4.451392418985142E-17 2.63513209399862E-12 -1.748823778472807E-11 1.807538469647581E-11 1.222023052884177E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO348042  

85849 (1999 AW)          Discovered 1999-Jan-07 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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