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305644 (2009 BA44)
Classification: Main-belt Asteroid          SPK-ID: 2305644
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0919892980818356 5.398e-08  
a 2.521095868812543 2.4004e-08 au
q 2.289182029443462 1.3184e-07 au
i 3.77425297296662 5.574e-06 deg
node 159.028110925338 9.6035e-05 deg
peri 132.6484134874821 0.00010569 deg
M 157.7385970776259 5.0624e-05 deg
tp 2458359.854262209877
(2018-Aug-29.35426221)
0.00020246 TDB
period 1462.118149123299
4.00
2.0882e-05
5.717e-08
d
yr
n .2462181323827077 3.5165e-09 deg/d
Q 2.753009708181624 2.6212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      8796 days (24.08 yr)  
   first obs. used      1995-10-28  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59414  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:13:45  

Additional Information
 Earth MOID = 1.27512 au 
 Jupiter MOID = 2.38191 au 
 T_jup = 3.447 
[ 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 MPO503303  

305644 (2009 BA44)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1915-Jun-29 00:12 00:42 Psych 0.0171753077297034 0.0171569614772724 0.0171937043417727 1.70250110578788 1.7025006920157 2420677.508463296 42.035473716238 1726.20981424455 77.2799234700774 58.1713365382726 28119.2234713376 T 9 CATAB v2.0f-lin.ifort 2019-Dec-04 21:13:46 2019-Dec-04 21:13
2025-Jun-06 23:17 < 00:01 Amphi 0.0175332925182087 0.0175295393081207 0.0175370476300777 4.19158018894668 4.19158011072417 2460833.470468266 0.921142520704631 361.04423776464 67.7456105678103 -60.5367039689927 33881.9120112608 T 9 CATAB v2.0f-lin.ifort 2019-Dec-04 21:13:46 2019-Dec-04 21:13

Alternate Designations
 2009 BA44 = 2007 VN138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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