Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.005465E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:23:56+0800
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    1 Object 1

    AOE ID 55421
    NORAD ID 55421
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57501
    NORAD ID 57501
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5598 STARLINK-30072
    Time of Closest Approach 2026-10-21T00:52:23+0000
    Collision Probability (Pc) 3.005465E-6
    Conjunction Distance (km) 1.617 km
    Relative Speed (km/s) 6.323 km/s
    Conjunction Risk Parameters R (Radial): 1.586 | I (In-track): -0.288 | C (Cross-track): -0.127
    Collision Risk Index (CRI) 0.45
    X Position (km) -1522.636 -1522.008
    Position Y (km) -4941.211 -4940.02
    Position Z (km) 4503.744 4502.848
    Velocity X (km/s) 4.621 7.43
    Velocity Y (km/s) 3.251 -1.016
    Velocity Z (km/s) 5.12 1.394

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5598 STARLINK-30072
    Semimajor Axis (a) 6859.094 km 6861.198 km
    Eccentricity (e) 0.000393 0.000106
    Inclination (i) 69.9994° 43.0043°
    RAAN 235.7911° 188.9521°
    Perigee Argument 273.4901° 269.4411°
    Mean Anomaly (M) 60.8462° 90.6319°
    Apogee 483.654 km 483.789 km
    Perigee 478.260 km 482.333 km
    Orbit Epoch 2026-10-20T12:00:03+0000 2026-10-20T02:34:45+0000

    STARLINK-5598 & STARLINK-30072 Collision Probability (Pc) Trend

    STARLINK-5598 & STARLINK-30072 Collision Probability (Pc) TrendNot Available

    STARLINK-5598 & STARLINK-30072 Miss Distance (Miss Distance) Trend

    STARLINK-5598 & STARLINK-30072 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5598Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30072Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5598Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30072Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5598

    No nearby objects data