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85772 (1998 UN6)
Classification: Main-belt Asteroid          SPK-ID: 2085772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745010485304478 3.7682e-08  
a 2.256368311858531 1.0119e-08 au
q 1.862629675568341 8.6194e-08 au
i 7.606358644332129 4.2099e-06 deg
node 46.85554640448971 3.0521e-05 deg
peri 286.3622221617819 3.2685e-05 deg
M 179.4560873368759 1.1691e-05 deg
tp 2458383.380728813485
(2018-Sep-21.88072881)
3.9594e-05 TDB
period 1237.979390524101
3.39
8.3282e-06
2.28e-08
d
yr
n .2907964403572124 1.9563e-09 deg/d
Q 2.650106948148721 1.1885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      13988 days (38.30 yr)  
   first obs. used      1981-11-03  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:52  

Additional Information
 Earth MOID = .870355 au 
 Jupiter MOID = 2.73941 au 
 T_jup = 3.591 
[ 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 16.4   n/a MPO453288  

85772 (1998 UN6)          Discovered 1998-Oct-21 by Klet at Klet
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1998 UN6 = 1981 VF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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