Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.686722E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T20:51:49+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 54090
    NORAD ID 54090
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter AO-91 STARLINK-5177
    Time of Closest Approach 2026-10-12T20:51:17+0000
    Collision Probability (Pc) 9.686722E-6
    Conjunction Distance (km) 1.249 km
    Relative Speed (km/s) 10.266 km/s
    Conjunction Risk Parameters R (Radial): 0.361 | I (In-track): -0.888 | C (Cross-track): 0.8
    Collision Risk Index (CRI) 0.55
    X Position (km) 3363.518 3363.094
    Position Y (km) -2687.558 -2686.443
    Position Z (km) -5319.86 -5320.227
    Velocity X (km/s) -5.578 3.145
    Velocity Y (km/s) 2.436 6.795
    Velocity Z (km/s) -4.651 -1.445

    Orbital Parameters 国际轨道数据源

    Parameter AO-91 STARLINK-5177
    Semimajor Axis (a) 6901.291 km 6837.824 km
    Eccentricity (e) 0.014456 0.000125
    Inclination (i) 97.4497° 53.1616°
    RAAN 149.9895° 78.8699°
    Perigee Argument 284.3641° 88.8799°
    Mean Anomaly (M) 74.1581° 271.2348°
    Apogee 622.918 km 460.544 km
    Perigee 423.390 km 458.830 km
    Orbit Epoch 2026-10-12T03:57:49+0000 2026-10-11T17:11:08+0000

    AO-91 & STARLINK-5177 Collision Probability (Pc) Trend

    AO-91 & STARLINK-5177 Collision Probability (Pc) TrendNot Available

    AO-91 & STARLINK-5177 Miss Distance (Miss Distance) Trend

    AO-91 & STARLINK-5177 Miss Distance (Miss Distance) TrendNot Available

    AO-91Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AO-91Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AO-91

    No nearby objects data