Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.760186E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T20:24:58+0800
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    1 Object 1

    AOE ID 51877
    NORAD ID 51877
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69456
    NORAD ID 69456
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3556 STARLINK-37513
    Time of Closest Approach 2026-10-30T03:33:33+0000
    Collision Probability (Pc) 2.760186E-6
    Conjunction Distance (km) 1.359 km
    Relative Speed (km/s) 2.315 km/s
    Conjunction Risk Parameters R (Radial): -1.145 | I (In-track): -0.721 | C (Cross-track): -0.109
    Collision Risk Index (CRI) 0.44
    X Position (km) -640.753 -641.367
    Position Y (km) -4104.952 -4104.154
    Position Z (km) -5441.695 -5440.784
    Velocity X (km/s) 7.587 7.304
    Velocity Y (km/s) -0.254 -2.072
    Velocity Z (km/s) -0.702 0.702

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3556 STARLINK-37513
    Semimajor Axis (a) 6840.818 km 6840.710 km
    Eccentricity (e) 0.000122 0.000028
    Inclination (i) 53.1625° 53.1623°
    RAAN 14.4598° 352.6115°
    Perigee Argument 90.6058° 57.1767°
    Mean Anomaly (M) 269.5085° 302.9262°
    Apogee 463.519 km 462.764 km
    Perigee 461.843 km 462.382 km
    Orbit Epoch 2026-10-27T11:53:11+0000 2026-10-27T11:50:00+0000

    STARLINK-3556 & STARLINK-37513 Collision Probability (Pc) Trend

    STARLINK-3556 & STARLINK-37513 Collision Probability (Pc) TrendNot Available

    STARLINK-3556 & STARLINK-37513 Miss Distance (Miss Distance) Trend

    STARLINK-3556 & STARLINK-37513 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37513Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3556Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37513Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3556

    No nearby objects data