Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.99877E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:14:20+0800
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    1 Object 1

    AOE ID 57130
    NORAD ID 57130
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57977
    NORAD ID 57977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-6172 STARLINK-30509
    Time of Closest Approach 2026-10-29T10:12:20+0000
    Collision Probability (Pc) 1.99877E-6
    Conjunction Distance (km) 1.84 km
    Relative Speed (km/s) 5.917 km/s
    Conjunction Risk Parameters R (Radial): -0.352 | I (In-track): -1.665 | C (Cross-track): 0.698
    Collision Risk Index (CRI) 0.41
    X Position (km) 5284.741 5284.03
    Position Y (km) -1321.181 -1322.865
    Position Z (km) -4173.768 -4173.556
    Velocity X (km/s) 3.448 -0.042
    Velocity Y (km/s) 6.377 7.249
    Velocity Z (km/s) 2.348 -2.35

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-6172 STARLINK-30509
    Semimajor Axis (a) 6861.784 km 6860.840 km
    Eccentricity (e) 0.000431 0.000326
    Inclination (i) 42.9949° 43.0044°
    RAAN 54.8883° 123.0909°
    Perigee Argument 269.2769° 268.5140°
    Mean Anomaly (M) 90.7588° 91.5338°
    Apogee 486.607 km 484.940 km
    Perigee 480.687 km 480.466 km
    Orbit Epoch 2026-10-27T00:24:26+0000 2026-10-27T05:21:53+0000

    STARLINK-6172 & STARLINK-30509 Collision Probability (Pc) Trend

    STARLINK-6172 & STARLINK-30509 Collision Probability (Pc) TrendNot Available

    STARLINK-6172 & STARLINK-30509 Miss Distance (Miss Distance) Trend

    STARLINK-6172 & STARLINK-30509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-6172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-6172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-6172

    No nearby objects data