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541874 (2012 BL129)
Classification: Main-belt Asteroid          SPK-ID: 2541874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2885897807675962 1.7268e-07  
a 2.617710227254945 4.3006e-08 au
q 1.862265806658346 4.7051e-07 au
i 5.93262174058889 5.6642e-06 deg
node 135.72247008 6.6705e-05 deg
peri 269.0629019633022 7.4417e-05 deg
M 99.42276384670987 1.5861e-05 deg
tp 2458773.267667081047
(2019-Oct-16.76766708)
6.9965e-05 TDB
period 1546.966045803732
4.24
3.8122e-05
1.044e-07
d
yr
n .2327135756964598 5.7348e-09 deg/d
Q 3.373154647851544 5.5417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5311 days (14.54 yr)  
   first obs. used      2006-08-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51338  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:43  

Additional Information
 Earth MOID = .881873 au 
 Jupiter MOID = 2.07035 au 
 T_jup = 3.339 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.87   n/a E2021B25  

541874 (2012 BL129)          Discovered 2012-Jan-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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