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8014 (1990 MF)
Classification: Apollo [NEO, PHA]          SPK-ID: 2008014
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 154 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4561303759652496 8.9545e-09  
a 1.746614327754116 5.9443e-09 au
q .949930477769339 1.5381e-08 au
i 1.866992809281983 5.8904e-07 deg
node 210.235511542336 6.326e-05 deg
peri 114.4014965848864 6.3256e-05 deg
M 328.598149151774 1.3097e-06 deg
tp 2459074.043907386211
(2020-Aug-12.54390739)
2.9967e-06 TDB
period 843.1288584549027
2.31
4.3041e-06
1.178e-08
d
yr
n .4269809963090662 2.1797e-09 deg/d
Q 2.543298177738892 8.6556e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -2.195428140805724E-14 4.589E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      1172  
   # delay obs. used      9  
   # Doppler obs. used      12  
   data-arc span      11122 days (30.45 yr)  
   first obs. used      1990-06-14  
   last obs. used      2020-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .26046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-26 05:21:23  

Additional Information
 Earth MOID = .0170508 au 
 Jupiter MOID = 2.81727 au 
 T_jup = 4.010 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 18.7   n/a PDS3 (MPC 30855)  
diameter diameter 0.7 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)

8014 (1990 MF)          Discovered 1990-Jun-26 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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