Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.822885E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:52:39+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 47808
    NORAD ID 47808
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1231 STARLINK-2389
    Time of Closest Approach 2026-10-27T18:05:48+0000
    Collision Probability (Pc) 4.822885E-6
    Conjunction Distance (km) 1.569 km
    Relative Speed (km/s) 11.259 km/s
    Conjunction Risk Parameters R (Radial): -1.311 | I (In-track): 0.587 | C (Cross-track): -0.628
    Collision Risk Index (CRI) 0.49
    X Position (km) 4689.09 4687.643
    Position Y (km) 3840.302 3840.228
    Position Z (km) 3146.527 3145.927
    Velocity X (km/s) -5.291 -1.258
    Velocity Y (km/s) 2.36 5.644
    Velocity Z (km/s) 4.986 -4.998

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1231 STARLINK-2389
    Semimajor Axis (a) 6833.278 km 6830.512 km
    Eccentricity (e) 0.000164 0.000081
    Inclination (i) 53.0358° 53.1556°
    RAAN 18.7811° 244.4960°
    Perigee Argument 71.9377° 301.5072°
    Mean Anomaly (M) 288.1803° 58.5854°
    Apogee 456.264 km 452.927 km
    Perigee 454.018 km 451.823 km
    Orbit Epoch 2026-10-27T05:27:33+0000 2026-10-27T06:33:08+0000

    STARLINK-1231 & STARLINK-2389 Collision Probability (Pc) Trend

    STARLINK-1231 & STARLINK-2389 Collision Probability (Pc) TrendNot Available

    STARLINK-1231 & STARLINK-2389 Miss Distance (Miss Distance) Trend

    STARLINK-1231 & STARLINK-2389 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2389Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1231Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2389Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1231

    No nearby objects data