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6564 Asher (1992 BB)
Classification: Mars-crossing Asteroid          SPK-ID: 2006564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .266018367576948 4.6119e-08  
a 1.881600484504101 4.8017e-09 au
q 1.381060195184325 8.6497e-08 au
i 45.29577351106069 8.0704e-06 deg
node 194.5756419268515 5.3456e-06 deg
peri 330.5016525229595 1.1139e-05 deg
M 171.0011256553281 1.0553e-05 deg
tp 2458152.698009518569
(2018-Feb-03.19800952)
2.7191e-05 TDB
period 942.7348267768103
2.58
3.6087e-06
9.88e-09
d
yr
n .3818677212030366 1.4617e-09 deg/d
Q 2.382140773823875 6.079e-09 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      10166 days (27.83 yr)  
   first obs. used      1992-01-25  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:33:20  

Additional Information
 Earth MOID = .41486 au 
 Jupiter MOID = 2.66385 au 
 T_jup = 3.581 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457213.5 (2015-Jul-10.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2662315710115473 4.6138e-08  
q 1.380778385335328 8.6529e-08 au
tp 2457209.764988628327
(2015-Jul-06.26498863)
2.6538e-05 TDB
node 194.583820626041 5.3448e-06 deg
peri 330.4813105554085 1.1124e-05 deg
i 45.29694086070172 8.0705e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      10166 days (27.83 yr)  
   first obs. used      1992-01-25  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:33:20  

Additional Information
 Jupiter MOID = 2.66385 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.128760500361894E-15 -3.989019057340279E-15 7.654194963645588E-13 -4.708665599189729E-15 2.870419912876611E-13 -5.11476684650329E-14
q -3.989019057340279E-15 7.487206973235115E-15 -1.43079736732435E-12 8.796352278341016E-15 -5.362521836353787E-13 9.586086937509506E-14
tp 7.654194963645588E-13 -1.43079736732435E-12 7.042425808647537E-10 -2.020610698522198E-12 2.659912298246175E-10 -3.978032953945962E-11
node -4.708665599189729E-15 8.796352278341016E-15 -2.020610698522198E-12 2.856691387474606E-11 -2.043135472543357E-11 1.327425520442549E-11
peri 2.870419912876611E-13 -5.362521836353787E-13 2.659912298246175E-10 -2.043135472543357E-11 1.23743568452302E-10 -2.372776847049447E-11
i -5.11476684650329E-14 9.586086937509506E-14 -3.978032953945962E-11 1.327425520442549E-11 -2.372776847049447E-11 6.513335191717088E-11

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 16.2   n/a MPO502216  

6564 Asher (1992 BB)          Discovered 1992-Jan-25 by McNaught, R. H. at Siding Spring
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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