Back (471240) 2011 BT15 Arabic (471240) 2011 BT15 Spanish (471240) 2011 BT15 ID (471240) 2011 BT15 MIN (471240) 2011 BT15 Portuguese (471240) 2011 BT15 Sundanese (471240) 2011 BT15 Chinese

(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).

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