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181721 (1995 BT10)
Classification: Main-belt Asteroid          SPK-ID: 2181721
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160537343637706 4.267e-08  
a 2.148207596108301 1.2082e-08 au
q 1.803340055046732 8.6952e-08 au
i 4.233310263372386 4.9102e-06 deg
node 109.5148065159083 8.4699e-05 deg
peri 149.31408687435 8.9018e-05 deg
M 330.7963692696335 3.2706e-05 deg
tp 2459293.792589165324
(2021-Mar-20.29258917)
0.00010506 TDB
period 1150.03961012951
3.15
9.7019e-06
2.656e-08
d
yr
n .3130326962907471 2.6408e-09 deg/d
Q 2.493075137169869 1.4021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      9135 days (25.01 yr)  
   first obs. used      1995-01-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:45  

Additional Information
 Earth MOID = .787859 au 
 Jupiter MOID = 2.56194 au 
 T_jup = 3.687 
[ 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 17.72   n/a E2021B55  

181721 (1995 BT10)          Discovered 1995-Jan-29 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1995 BT10 = 2005 MX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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