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JPL Small-Body Database Browser
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85012 (2004 BY27)
Classification: Main-belt Asteroid          SPK-ID: 2085012
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08122273267548663 5.9547e-08  
a 2.213297198040545 1.0083e-08 au
q 2.033527151392694 1.37e-07 au
i 6.436504810525392 5.0926e-06 deg
node 112.2649558582063 5.0494e-05 deg
peri 347.9363119501633 6.1023e-05 deg
M 253.9128231626088 3.4457e-05 deg
tp 2458954.920161933047
(2020-Apr-15.42016193)
0.00011546 TDB
period 1202.701986230314
3.29
8.2187e-06
2.25e-08
d
yr
n .299326021010712 2.0454e-09 deg/d
Q 2.393067244688396 1.0902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      9454 days (25.88 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:13:57  

Additional Information
 Earth MOID = 1.05101 au 
 Jupiter MOID = 2.70089 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456985.5 (2014-Nov-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08076011820595047 5.9432e-08  
q 2.034703574162963 1.3667e-07 au
tp 2456547.601979587255
(2013-Sep-12.10197959)
0.00011499 TDB
node 112.3115023496251 5.0515e-05 deg
peri 347.5113207915451 6.1192e-05 deg
i 6.434968217348009 5.0909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      9454 days (25.88 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:13:57  

Additional Information
 Jupiter MOID = 2.70089 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.532172284301692E-15 -8.109008226933888E-15 -5.80956428238729E-13 -2.063480895166417E-14 -6.635777039678115E-14 -8.652657494212275E-15
q -8.109008226933888E-15 1.867753365005103E-14 1.296396246018751E-12 4.729153383601295E-14 1.464490174525975E-13 1.995781941673569E-14
tp -5.80956428238729E-13 1.296396246018751E-12 1.322243372378809E-8 7.205166923786743E-11 3.996938468099236E-9 1.089987367573002E-11
node -2.063480895166417E-14 4.729153383601295E-14 7.205166923786743E-11 2.551763722182276E-9 -2.513131977213539E-9 -3.084050730698796E-11
peri -6.635777039678115E-14 1.464490174525975E-13 3.996938468099236E-9 -2.513131977213539E-9 3.744444178063508E-9 3.383219290312881E-11
i -8.652657494212275E-15 1.995781941673569E-14 1.089987367573002E-11 -3.084050730698796E-11 3.383219290312881E-11 2.591768580845603E-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 16.8   n/a MPO344887  

85012 (2004 BY27)          Discovered 2004-Jan-18 by NEAT at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2004 BY27 = 1996 VY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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