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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0812227345585486 5.9518e-08  
a 2.213297198576894 1.0068e-08 au
q 2.033527147717704 1.3696e-07 au
i 6.436504969078173 5.0657e-06 deg
node 112.26495635506 5.0418e-05 deg
peri 347.9363130659659 6.0934e-05 deg
M 253.9128211348541 3.4391e-05 deg
tp 2458954.920168836279
(2020-Apr-15.42016884)
0.00011523 TDB
period 1202.701986667491
3.29
8.2062e-06
2.247e-08
d
yr
n .2993260209019082 2.0424e-09 deg/d
Q 2.393067249436085 1.0886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      9461 days (25.90 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58859  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:08  

Additional Information
 Earth MOID = 1.05101 au 
 Jupiter MOID = 2.70089 au 
 T_jup = 3.643 
[ 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 16.8   n/a MPO344887  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1944-Jul-13 15:59 < 00:01 Iris 0.0352247245955103 0.0352236406647372 0.0352258108766526 5.79875443548847 5.79875440734415 2431285.165854082 0.55171805176884 661.820474724182 39.2733955708485 86.7730851138814 133927.093417378 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 08:01:12 2019-Dec-14 08:01

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