Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.7092E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:45:32+0800
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    1 Object 1

    AOE ID 45212
    NORAD ID 45212
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59427
    NORAD ID 59427
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1231 STARLINK-31757
    Time of Closest Approach 2026-09-12T20:07:31+0000
    Collision Probability (Pc) 3.7092E-5
    Conjunction Distance (km) 0.825 km
    Relative Speed (km/s) 9.216 km/s
    Conjunction Risk Parameters R (Radial): 0.251 | I (In-track): 0.627 | C (Cross-track): 0.475
    Collision Risk Index (CRI) 0.66
    X Position (km) -151.562 -152.342
    Position Y (km) -5143.742 -5143.53
    Position Z (km) 4498.319 4498.155
    Velocity X (km/s) 6.189 5.992
    Velocity Y (km/s) 2.848 -3.224
    Velocity Z (km/s) 3.457 -3.473

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1231 STARLINK-31757
    Semimajor Axis (a) 6842.904 km 6840.865 km
    Eccentricity (e) 0.000393 0.000142
    Inclination (i) 53.0367° 53.1589°
    RAAN 229.6310° 132.7080°
    Perigee Argument 31.2433° 86.3128°
    Mean Anomaly (M) 328.8801° 273.8036°
    Apogee 467.459 km 463.699 km
    Perigee 462.075 km 461.757 km
    Orbit Epoch 2026-09-12T07:22:24+0000 2026-09-12T02:23:20+0000

    STARLINK-1231 & STARLINK-31757 Collision Probability (Pc) Trend

    STARLINK-1231 & STARLINK-31757 Collision Probability (Pc) TrendNot Available

    STARLINK-1231 & STARLINK-31757 Miss Distance (Miss Distance) Trend

    STARLINK-1231 & STARLINK-31757 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31757Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1231Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31757Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1231

    No nearby objects data