Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.684446E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T20:03:08+0800
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    1 Object 1

    AOE ID 52656
    NORAD ID 52656
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65893
    NORAD ID 65893
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4004 STARLINK-34921
    Time of Closest Approach 2026-10-30T01:51:19+0000
    Collision Probability (Pc) 1.684446E-6
    Conjunction Distance (km) 2.395 km
    Relative Speed (km/s) 12.073 km/s
    Conjunction Risk Parameters R (Radial): -0.539 | I (In-track): -1.433 | C (Cross-track): 1.841
    Collision Risk Index (CRI) 0.4
    X Position (km) -6617.478 -6616.612
    Position Y (km) 988.554 990.783
    Position Z (km) 1419.646 1419.53
    Velocity X (km/s) 0.556 -1.942
    Velocity Y (km/s) -4.815 -4.441
    Velocity Z (km/s) 5.903 -5.903

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4004 STARLINK-34921
    Semimajor Axis (a) 6840.892 km 6840.785 km
    Eccentricity (e) 0.000135 0.000304
    Inclination (i) 53.1594° 53.1607°
    RAAN 172.4143° 12.6551°
    Perigee Argument 81.9359° 73.8117°
    Mean Anomaly (M) 278.1797° 286.3220°
    Apogee 463.681 km 464.732 km
    Perigee 461.829 km 460.564 km
    Orbit Epoch 2026-10-27T22:12:07+0000 2026-10-27T12:10:37+0000

    STARLINK-4004 & STARLINK-34921 Collision Probability (Pc) Trend

    STARLINK-4004 & STARLINK-34921 Collision Probability (Pc) TrendNot Available

    STARLINK-4004 & STARLINK-34921 Miss Distance (Miss Distance) Trend

    STARLINK-4004 & STARLINK-34921 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4004Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34921Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4004Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34921Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4004

    No nearby objects data