Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.290998E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:52:52+0800
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    1 Object 1

    AOE ID 52626
    NORAD ID 52626
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69259
    NORAD ID 69259
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-37518
    Time of Closest Approach 2026-10-29T23:00:25+0000
    Collision Probability (Pc) 1.290998E-6
    Conjunction Distance (km) 2.159 km
    Relative Speed (km/s) 5.407 km/s
    Conjunction Risk Parameters R (Radial): 0.832 | I (In-track): 1.863 | C (Cross-track): -0.706
    Collision Risk Index (CRI) 0.37
    X Position (km) -3672.946 -3672.299
    Position Y (km) -2407.57 -2409.528
    Position Z (km) -5251.418 -5252.056
    Velocity X (km/s) 2.178 5.644
    Velocity Y (km/s) -7.099 -4.822
    Velocity Z (km/s) 1.732 -1.736

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-37518
    Semimajor Axis (a) 6840.842 km 6840.723 km
    Eccentricity (e) 0.000075 0.000239
    Inclination (i) 53.1480° 53.1610°
    RAAN 289.7277° 342.8875°
    Perigee Argument 174.7142° 85.5994°
    Mean Anomaly (M) 185.3868° 274.5281°
    Apogee 463.217 km 464.219 km
    Perigee 462.193 km 460.953 km
    Orbit Epoch 2026-10-27T05:40:11+0000 2026-10-27T02:41:31+0000

    STARLINK-3990 & STARLINK-37518 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-37518 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-37518 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-37518 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data