Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.371844E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T12:26:50+0800
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    1 Object 1

    Name AO-91
    AOE ID 43017
    NORAD ID 43017
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55633
    NORAD ID 55633
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter AO-91 STARLINK-5498
    Time of Closest Approach 2026-10-23T18:22:41+0000
    Collision Probability (Pc) 1.371844E-6
    Conjunction Distance (km) 2.98 km
    Relative Speed (km/s) 15.21 km/s
    Conjunction Risk Parameters R (Radial): -0.317 | I (In-track): 0.333 | C (Cross-track): 2.944
    Collision Risk Index (CRI) 0.38
    X Position (km) 5929.709 5930.239
    Position Y (km) -2340.364 -2337.489
    Position Z (km) -2457.761 -2458.336
    Velocity X (km/s) -2.995 3.403
    Velocity Y (km/s) 0.036 1.667
    Velocity Z (km/s) -7.07 6.632

    Orbital Parameters 国际轨道数据源

    Parameter AO-91 STARLINK-5498
    Semimajor Axis (a) 6900.755 km 6828.015 km
    Eccentricity (e) 0.014405 0.000302
    Inclination (i) 97.4485° 70.0003°
    RAAN 160.2163° 349.0624°
    Perigee Argument 247.7612° 276.9183°
    Mean Anomaly (M) 110.8289° 297.2592°
    Apogee 622.021 km 451.944 km
    Perigee 423.215 km 447.812 km
    Orbit Epoch 2026-10-22T14:31:26+0000 2026-10-22T20:00:02+0000

    AO-91 & STARLINK-5498 Collision Probability (Pc) Trend

    AO-91 & STARLINK-5498 Collision Probability (Pc) TrendNot Available

    AO-91 & STARLINK-5498 Miss Distance (Miss Distance) Trend

    AO-91 & STARLINK-5498 Miss Distance (Miss Distance) TrendNot Available

    AO-91Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5498Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AO-91Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5498Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AO-91

    No nearby objects data