(471240) 2011 BT15

(471240) 2011 BT15
Discovery[1][2][3]
Discovered byPan-STARRS
Discovery siteHaleakala Obs.
Discovery date24 January 2011
Designations
(471240) 2011 BT15
2011 BT15
NEO · PHA · Apollo[1][2]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc9.63 yr (3,519 days)
Aphelion1.6842 AU
Perihelion0.9018 AU
1.2930 AU
Eccentricity0.3025
1.47 yr (537 days)
204.24°
0° 40m 13.08s / day
Inclination1.6613°
105.37°
308.78°
Earth MOID0.0008 AU · 0.3 LD
Physical characteristics
0.136 km (calculated)[4]
0.150 km[5]
Mass4.9×109 kg (assumed)[5]
0.109138±0.000002 h[6]
0.20 (assumed)[4]
S[4]
21.7[1][4]

(471240) 2011 BT15, provisional designation 2011 BT15, is a stony, sub-kilometer sized asteroid and fast rotator, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group.[1] It had been one of the objects with the highest impact threat on the Palermo Technical Impact Hazard Scale.[7]

  1. ^ a b c d e Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference MPC-471240 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MPEC2011-B43 was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference JPL-ImpactRisk was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Warner-2014i was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference risk-table was invoked but never defined (see the help page).