Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.246098E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:22:45+0800
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    1 Object 1

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65605
    NORAD ID 65605
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4487 STARLINK-35171
    Time of Closest Approach 2026-10-25T09:09:31+0000
    Collision Probability (Pc) 1.246098E-6
    Conjunction Distance (km) 2.91 km
    Relative Speed (km/s) 12.218 km/s
    Conjunction Risk Parameters R (Radial): -2.863 | I (In-track): -0.309 | C (Cross-track): 0.414
    Collision Risk Index (CRI) 0.37
    X Position (km) -4048.363 -4046.422
    Position Y (km) -732.717 -732.022
    Position Z (km) 5465.556 5463.503
    Velocity X (km/s) 1.787 -6.159
    Velocity Y (km/s) -7.415 0.522
    Velocity Z (km/s) 0.329 -4.481

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4487 STARLINK-35171
    Semimajor Axis (a) 6848.887 km 6843.685 km
    Eccentricity (e) 0.000121 0.000123
    Inclination (i) 53.1600° 97.2862°
    RAAN 112.1567° 359.3504°
    Perigee Argument 83.5937° 85.4242°
    Mean Anomaly (M) 276.5203° 274.7142°
    Apogee 471.581 km 466.392 km
    Perigee 469.919 km 464.704 km
    Orbit Epoch 2026-10-23T22:19:44+0000 2026-10-24T05:59:11+0000

    STARLINK-4487 & STARLINK-35171 Collision Probability (Pc) Trend

    STARLINK-4487 & STARLINK-35171 Collision Probability (Pc) TrendNot Available

    STARLINK-4487 & STARLINK-35171 Miss Distance (Miss Distance) Trend

    STARLINK-4487 & STARLINK-35171 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4487

    No nearby objects data