Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.804765E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:37:46+0800
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    1 Object 1

    AOE ID 55276
    NORAD ID 55276
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64897
    NORAD ID 64897
    Object Type PAYLOAD
    Country
    AU AU

    Conjunction Constraints

    Parameter STARLINK-5261 SKYCRAFT 4A
    Time of Closest Approach 2026-10-17T21:46:17+0000
    Collision Probability (Pc) 4.804765E-6
    Conjunction Distance (km) 1.67 km
    Relative Speed (km/s) 14.978 km/s
    Conjunction Risk Parameters R (Radial): 1.042 | I (In-track): -0.191 | C (Cross-track): 1.291
    Collision Risk Index (CRI) 0.49
    X Position (km) -5188.567 -5189.307
    Position Y (km) 1241.517 1242.97
    Position Z (km) -4462.191 -4462.549
    Velocity X (km/s) -5.011 4.952
    Velocity Y (km/s) -2.27 0.166
    Velocity Z (km/s) 5.196 -5.719

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5261 SKYCRAFT 4A
    Semimajor Axis (a) 6950.152 km 6952.418 km
    Eccentricity (e) 0.000251 0.000462
    Inclination (i) 70.0002° 97.6584°
    RAAN 186.2779° 352.2306°
    Perigee Argument 261.2778° 193.1557°
    Mean Anomaly (M) 98.8097° 166.9545°
    Apogee 573.759 km 577.492 km
    Perigee 570.271 km 571.070 km
    Orbit Epoch 2026-10-17T02:44:11+0000 2026-10-17T03:09:07+0000

    STARLINK-5261 & SKYCRAFT 4A Collision Probability (Pc) Trend

    STARLINK-5261 & SKYCRAFT 4A Collision Probability (Pc) TrendNot Available

    STARLINK-5261 & SKYCRAFT 4A Miss Distance (Miss Distance) Trend

    STARLINK-5261 & SKYCRAFT 4A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5261Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SKYCRAFT 4AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5261Collision Probability Trend

    Object 1 Probability TrendNot Available

    SKYCRAFT 4ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5261

    No nearby objects data