Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.374682E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:42:21+0800
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    1 Object 1

    AOE ID 57917
    NORAD ID 57917
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59498
    NORAD ID 59498
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30501 STARLINK-31731
    Time of Closest Approach 2026-10-21T14:38:24+0000
    Collision Probability (Pc) 8.374682E-6
    Conjunction Distance (km) 0.886 km
    Relative Speed (km/s) 1.3 km/s
    Conjunction Risk Parameters R (Radial): -0.235 | I (In-track): 0.851 | C (Cross-track): -0.073
    Collision Risk Index (CRI) 0.53
    X Position (km) 3480.73 3479.993
    Position Y (km) 3644.948 3645.413
    Position Z (km) -4659.736 -4659.577
    Velocity X (km/s) -5.186 -5.795
    Velocity Y (km/s) 5.56 4.921
    Velocity Z (km/s) 0.476 -0.478

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30501 STARLINK-31731
    Semimajor Axis (a) 6861.240 km 6861.199 km
    Eccentricity (e) 0.000127 0.000125
    Inclination (i) 42.9986° 43.0016°
    RAAN 143.8550° 156.3646°
    Perigee Argument 265.5195° 264.6412°
    Mean Anomaly (M) 94.5512° 95.4297°
    Apogee 483.977 km 483.919 km
    Perigee 482.229 km 482.205 km
    Orbit Epoch 2026-10-19T00:14:13+0000 2026-10-19T08:07:53+0000

    STARLINK-30501 & STARLINK-31731 Collision Probability (Pc) Trend

    STARLINK-30501 & STARLINK-31731 Collision Probability (Pc) TrendNot Available

    STARLINK-30501 & STARLINK-31731 Miss Distance (Miss Distance) Trend

    STARLINK-30501 & STARLINK-31731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30501Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30501Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30501

    No nearby objects data