2012 BK77

Initial reported observation by Catalina Sky Survey on 2012-01-26.
(Discoverer will be defined when the object is numbered. See this note on how discoverers are determined.)

Orbit

Orbit type: Amor
Near-Earth Object
One opposition object seen prior.

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epoch2023-02-25.0
epoch JD2460000.5
perihelion date2022-12-17.29257
perihelion JD2459930.79257
argument of perihelion (°)107.64941
ascending node (°)19.15275
inclination (°)5.72715
eccentricity0.4380924
perihelion distance (AU)1.0951249
Tisserand w.r.t. Jupiter3.8
ΔV w.r.t. Earth (km/sec)6.1
semimajor axis (AU)1.9489412
mean anomaly (°)25.25136
mean daily motion (°/day)0.36224780
aphelion distance (AU)2.803
period (years)2.72
P-vector [x]-0.59749318
P-vector [y]0.69268719
P-vector [z]0.40396332
Q-vector [x]-0.80120533
Q-vector [y]-0.53627433
Q-vector [z]-0.26548043
absolute magnitude22.4
phase slope0.15
uncertainty6
referenceMPO 740299
observations used55
oppositions1
arc length (days)83
first opposition used2012
last opposition used2012
residual rms (arc-secs)0.60
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2012-01-26.0
last observation date used2012-04-18.0
computer nameBell
JD of orbit computation2456036.199837
perihelion JD uncertainty (days)1.2616E-04
argument of perihelion uncertainty (°)3.2551E-04
ascending node uncertainty (°)2.7760E-04
inclination uncertainty (°)1.7343E-04
eccentricity uncertainty 1.5872E-05
perihelion distance uncertainty (AU)3.6878E-06
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2460000.5, reference: E2023-D73
Mercury0.76163
Venus0.37916
Earth0.1464
Mars0.05952
Jupiter2.29651
Saturn7.11535
Uranus16.9047
Neptune27.3395

Observations

56 total observations over interval: 2012 01 26.29094 – 2012 04 18.159842
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2012 01 26.29094 07 06 20.16 +65 41 03.6 19.6 V 703 – Catalina Sky Survey MPS 410340
2012 01 26.29674 07 06 22.42 +65 41 00.2 19.9 V 703 – Catalina Sky Survey MPS 410340
2012 01 26.30257 07 06 25.20 +65 40 56.8 20.0 V 703 – Catalina Sky Survey MPS 410340
2012 01 26.35146 07 06 45.54 +65 40 29.2 19.9 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 26.35881 07 06 48.72 +65 40 24.9 19.8 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 26.37164 07 06 54.26 +65 40 17.1 19.5 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 26.38012 07 06 57.95 +65 40 11.7 19.7 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 26.90019 07 11 09.80 +65 36 03.1   J95 – Great Shefford MPS 410340
2012 01 26.90865 07 11 13.50 +65 35 58.9   J95 – Great Shefford MPS 410340
2012 01 26.91721 07 11 17.28 +65 35 55.5 19.5 R J95 – Great Shefford MPS 410340
2012 01 27.06463 07 12 32.37 +65 34 28.4 19.8 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 27.07188 07 12 35.66 +65 34 26.2 19.7 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 27.08140 07 12 39.94 +65 34 23.3 20.0 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 27.08782 07 12 42.81 +65 34 21.3 19.9 R H01 – Magdalena Ridge Observatory, Socorro MPS 410340
2012 01 29.33213 07 30 27.843 +65 07 02.48 20.6 r F51 – Pan-STARRS 1, Haleakala MPS 410340
2012 01 29.41535 07 31 03.257 +65 05 46.55 20.5 g F51 – Pan-STARRS 1, Haleakala MPS 410340
2012 01 29.42234 07 31 06.297 +65 05 39.27 20.5 g F51 – Pan-STARRS 1, Haleakala MPS 410340
2012 01 30.172039 07 37 07.13 +64 52 36.9 20.0 V H21 – Astronomical Research Observatory, Westfield MPS 410340
2012 01 30.181837 07 37 11.43 +64 52 26.5 20.4 V H21 – Astronomical Research Observatory, Westfield MPS 410340
2012 01 30.187259 07 37 13.82 +64 52 21.0 19.8 V H21 – Astronomical Research Observatory, Westfield MPS 410340
2012 02 06.226463 08 30 24.12 +61 31 03.4 20.0 V H21 – Astronomical Research Observatory, Westfield MPS 411685
2012 02 06.235117 08 30 27.44 +61 30 43.4 19.8 V H21 – Astronomical Research Observatory, Westfield MPS 411685
2012 02 06.243695 08 30 30.60 +61 30 23.1 19.8 V H21 – Astronomical Research Observatory, Westfield MPS 411685
2012 02 12.32417 09 08 13.015 +56 50 47.43 20.4 g F51 – Pan-STARRS 1, Haleakala MPS 411685
2012 02 12.35063 09 08 20.664 +56 49 27.37 19.8 i F51 – Pan-STARRS 1, Haleakala MPS 411685
2012 02 12.36386 09 08 24.461 +56 48 46.93 19.8 i F51 – Pan-STARRS 1, Haleakala MPS 411685
2012 02 13.314822 09 13 21.30 +55 57 32.1 19.9 V H21 – Astronomical Research Observatory, Westfield MPS 411685
2012 02 13.320663 09 13 22.92 +55 57 12.3 19.9 V H21 – Astronomical Research Observatory, Westfield MPS 411685
2012 02 13.326504 09 13 24.59 +55 56 52.7 20.1 V H21 – Astronomical Research Observatory, Westfield MPS 411685
2012 02 22.252795 09 50 39.07 +46 58 32.6 20.7 V H21 – Astronomical Research Observatory, Westfield MPS 413083
2012 02 22.258804 09 50 40.16 +46 58 09.5 20.8 V H21 – Astronomical Research Observatory, Westfield MPS 413083
2012 02 22.269248 09 50 42.05 +46 57 28.4 19.9 V H21 – Astronomical Research Observatory, Westfield MPS 413084
2012 02 23.03580 09 53 09.86 +46 07 58.2   204 – Schiaparelli Observatory MPS 414320
2012 02 23.04871 09 53 12.04 +46 07 07.2   204 – Schiaparelli Observatory MPS 414320
2012 02 23.06144 09 53 14.21 +46 06 16.6 19.5 R 204 – Schiaparelli Observatory MPS 414320
2012 02 24.21565 09 56 51.46 +44 51 47.7 20.4 V 703 – Catalina Sky Survey MPS 413084
2012 02 24.22237 09 56 52.51 +44 51 23.3 19.6 V 703 – Catalina Sky Survey MPS 413084
2012 02 24.22915 09 56 53.59 +44 50 56.5 19.6 V 703 – Catalina Sky Survey MPS 413084
2012 02 24.23596 09 56 54.52 +44 50 30.3 20.2 V 703 – Catalina Sky Survey MPS 413084
2012 03 03.20998 10 16 48.86 +36 17 53.0 20.8 V G96 – Mt. Lemmon Survey MPS 414320
2012 03 03.21526 10 16 49.40 +36 17 34.0 21.0 V G96 – Mt. Lemmon Survey MPS 414320
2012 03 03.22052 10 16 49.98 +36 17 14.4 20.3 V G96 – Mt. Lemmon Survey MPS 414320
2012 03 03.22576 10 16 50.48 +36 16 54.9 20.3 V G96 – Mt. Lemmon Survey MPS 414320
2012 03 11.226467 10 31 13.08 +28 23 52.4 20.5 V H21 – Astronomical Research Observatory, Westfield MPS 416201
2012 03 11.234811 10 31 13.73 +28 23 24.6 20.3 V H21 – Astronomical Research Observatory, Westfield MPS 416201
2012 03 11.244424 10 31 14.47 +28 22 52.4 20.5 V H21 – Astronomical Research Observatory, Westfield MPS 416201
2012 03 20.28766 10 43 53.300 +20 50 12.65 20.8 r F51 – Pan-STARRS 1, Haleakala MPS 417326
2012 03 20.29848 10 43 53.981 +20 49 43.97 20.6 r F51 – Pan-STARRS 1, Haleakala MPS 417326
2012 03 20.30996 10 43 54.709 +20 49 13.47 21.1 g F51 – Pan-STARRS 1, Haleakala MPS 417326
2012 03 22.27126 10 46 20.78 +19 22 58.5 21.0 V G96 – Mt. Lemmon Survey MPS 417326
2012 03 22.27335 10 46 20.92 +19 22 53.4 21.1 V G96 – Mt. Lemmon Survey MPS 417326
2012 03 22.27544 10 46 21.07 +19 22 47.7 20.7 V G96 – Mt. Lemmon Survey MPS 417326
2012 03 22.27746 10 46 21.14 +19 22 42.9 20.8 V G96 – Mt. Lemmon Survey MPS 417326
2012 04 18.117576 11 18 16.86 +05 27 10.9   H21 – Astronomical Research Observatory, Westfield MPS 420904
2012 04 18.138605 11 18 18.27 +05 26 43.5 22.3 V H21 – Astronomical Research Observatory, Westfield MPS 420904
2012 04 18.159842 11 18 19.70 +05 26 15.1 22.4 V H21 – Astronomical Research Observatory, Westfield MPS 420904