Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.108401E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T09:33:19+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57949
    NORAD ID 57949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-30707
    Time of Closest Approach 2026-10-25T11:24:27+0000
    Collision Probability (Pc) 1.108401E-6
    Conjunction Distance (km) 2.721 km
    Relative Speed (km/s) 8.493 km/s
    Conjunction Risk Parameters R (Radial): 2.718 | I (In-track): -0.091 | C (Cross-track): -0.052
    Collision Risk Index (CRI) 0.36
    X Position (km) 4796.799 4798.684
    Position Y (km) -1181.864 -1182.437
    Position Z (km) -4735.168 -4737.044
    Velocity X (km/s) -1.336 4.367
    Velocity Y (km/s) 6.855 5.448
    Velocity Z (km/s) -3.067 3.067

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-30707
    Semimajor Axis (a) 6837.886 km 6840.888 km
    Eccentricity (e) 0.000125 0.000093
    Inclination (i) 53.1592° 53.1611°
    RAAN 125.9090° 37.5249°
    Perigee Argument 95.1096° 62.2022°
    Mean Anomaly (M) 265.0050° 297.9074°
    Apogee 460.607 km 463.387 km
    Perigee 458.891 km 462.115 km
    Orbit Epoch 2026-10-24T06:14:50+0000 2026-10-24T07:31:44+0000

    STARLINK-4121 & STARLINK-30707 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-30707 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-30707 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-30707 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30707Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30707Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data