Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.840823E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:42:54+0800
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    1 Object 1

    AOE ID 53398
    NORAD ID 53398
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59009
    NORAD ID 59009
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4512 STARLINK-31488
    Time of Closest Approach 2026-10-22T05:01:55+0000
    Collision Probability (Pc) 8.840823E-7
    Conjunction Distance (km) 2.983 km
    Relative Speed (km/s) 6.99 km/s
    Conjunction Risk Parameters R (Radial): -2.967 | I (In-track): -0.262 | C (Cross-track): 0.13
    Collision Risk Index (CRI) 0.34
    X Position (km) 3075.94 3077.058
    Position Y (km) 3444.633 3446.325
    Position Z (km) -5050.202 -5052.388
    Velocity X (km/s) -6.773 -3.339
    Velocity Y (km/s) 2.592 6.437
    Velocity Z (km/s) -2.36 2.359

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4512 STARLINK-31488
    Semimajor Axis (a) 6837.887 km 6840.868 km
    Eccentricity (e) 0.000134 0.000123
    Inclination (i) 53.1589° 53.1578°
    RAAN 182.8216° 114.5302°
    Perigee Argument 90.0572° 88.4864°
    Mean Anomaly (M) 270.0585° 271.6279°
    Apogee 460.666 km 463.571 km
    Perigee 458.834 km 461.891 km
    Orbit Epoch 2026-10-20T03:31:49+0000 2026-10-19T19:29:02+0000

    STARLINK-4512 & STARLINK-31488 Collision Probability (Pc) Trend

    STARLINK-4512 & STARLINK-31488 Collision Probability (Pc) TrendNot Available

    STARLINK-4512 & STARLINK-31488 Miss Distance (Miss Distance) Trend

    STARLINK-4512 & STARLINK-31488 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4512Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31488Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4512Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31488Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4512

    No nearby objects data