Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.10652E-7
    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 2026-10-30T02:54:54+0000
    Collision Probability (Pc) 9.10652E-7
    Conjunction Distance (km) 2.618 km
    Relative Speed (km/s) 5.417 km/s
    Conjunction Risk Parameters R (Radial): -1.994 | I (In-track): 1.588 | C (Cross-track): 0.597
    Collision Risk Index (CRI) 0.34
    X Position (km) 3698.248 3696.261
    Position Y (km) 2354.643 2355.388
    Position Z (km) 5242.405 5240.872
    Velocity X (km/s) -2.085 -5.594
    Velocity Y (km/s) 7.141 4.905
    Velocity Z (km/s) -1.733 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