Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.909102E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T15:51:06+0800
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    1 Object 1

    AOE ID 48299
    NORAD ID 48299
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52332
    NORAD ID 52332
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2557 STARLINK-3831
    Time of Closest Approach 2026-10-21T02:24:13+0000
    Collision Probability (Pc) 1.909102E-6
    Conjunction Distance (km) 2.251 km
    Relative Speed (km/s) 12.074 km/s
    Conjunction Risk Parameters R (Radial): 1.471 | I (In-track): -1.042 | C (Cross-track): -1.347
    Collision Risk Index (CRI) 0.41
    X Position (km) -862.865 -864.369
    Position Y (km) 6651.973 6650.325
    Position Z (km) -1375.178 -1374.882
    Velocity X (km/s) -4.785 -4.475
    Velocity Y (km/s) 0.594 -1.798
    Velocity Z (km/s) 5.915 -5.915

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2557 STARLINK-3831
    Semimajor Axis (a) 6845.914 km 6843.363 km
    Eccentricity (e) 0.000288 0.000131
    Inclination (i) 53.1596° 53.1575°
    RAAN 116.5631° 281.8155°
    Perigee Argument 87.4703° 85.1100°
    Mean Anomaly (M) 272.6628° 275.0052°
    Apogee 469.750 km 466.124 km
    Perigee 465.804 km 464.328 km
    Orbit Epoch 2026-10-18T21:15:59+0000 2026-10-18T06:18:11+0000

    STARLINK-2557 & STARLINK-3831 Collision Probability (Pc) Trend

    STARLINK-2557 & STARLINK-3831 Collision Probability (Pc) TrendNot Available

    STARLINK-2557 & STARLINK-3831 Miss Distance (Miss Distance) Trend

    STARLINK-2557 & STARLINK-3831 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3831Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2557Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3831Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2557

    No nearby objects data