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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4561302332746221 5.2122e-08  
a 1.746614348125986 4.3437e-09 au
q .9499307380744779 9.1699e-08 au
i 1.866994546994626 1.491e-06 deg
node 210.23559952709 0.0001344 deg
peri 114.4013681529283 0.00013589 deg
M 328.5981584022803 6.9033e-06 deg
tp 2459074.043887007981
(2020-Aug-12.54388701)
1.636e-05 TDB
period 843.1288732058223
2.31
3.1452e-06
8.611e-09
d
yr
n .4269809888388412 1.5928e-09 deg/d
Q 2.543297958177494 6.325e-09 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   # delay obs. used      6  
   # Doppler obs. used      10  
   data-arc span      10946 days (29.97 yr)  
   first obs. used      1990-06-14  
   last obs. used      2020-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-02 06:16:29  

Additional Information
 Earth MOID = .0170509 au 
 Jupiter MOID = 2.81728 au 
 T_jup = 4.010 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457193.5 (2015-Jun-20.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4562326741426632 5.2247e-08  
q .9496866317494267 9.1943e-08 au
tp 2457387.972998560911
(2015-Dec-31.47299856)
1.2726e-05 TDB
node 210.2658811812235 0.00013449 deg
peri 114.3948626570371 0.00013597 deg
i 1.86605093948666 1.4906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   # delay obs. used      6  
   # Doppler obs. used      10  
   data-arc span      10946 days (29.97 yr)  
   first obs. used      1990-06-14  
   last obs. used      2020-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-02 06:16:29  

Additional Information
 Jupiter MOID = 2.81728 au 
 T_jup = 4.010 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.72976128355712E-15 -4.802309401198972E-15 1.512314548029337E-13 -1.141105328969595E-12 1.501870334073004E-12 -5.658507017056542E-14
q -4.802309401198972E-15 8.45343899796041E-15 -2.523198550991288E-13 2.058740692736331E-12 -2.676066696941562E-12 1.009264223046225E-13
tp 1.512314548029337E-13 -2.523198550991288E-13 1.619398397892512E-10 -1.217582692601016E-10 2.279619931264593E-10 1.750183901297222E-12
node -1.141105328969595E-12 2.058740692736331E-12 -1.217582692601016E-10 1.808700670680902E-8 -1.822704524986549E-8 1.400823898771893E-10
peri 1.501870334073004E-12 -2.676066696941562E-12 2.279619931264593E-10 -1.822704524986549E-8 1.848828878383154E-8 -1.430538271114157E-10
i -5.658507017056542E-14 1.009264223046225E-13 1.750183901297222E-12 1.400823898771893E-10 -1.430538271114157E-10 2.222000318445705E-12

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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