Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.385165E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:01:40+0800
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    1 Object 1

    AOE ID 57897
    NORAD ID 57897
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63804
    NORAD ID 63804
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30474 STARLINK-33909
    Time of Closest Approach 2026-10-21T18:01:44+0000
    Collision Probability (Pc) 1.385165E-5
    Conjunction Distance (km) 1.117 km
    Relative Speed (km/s) 9.813 km/s
    Conjunction Risk Parameters R (Radial): 0.327 | I (In-track): -0.817 | C (Cross-track): 0.687
    Collision Risk Index (CRI) 0.58
    X Position (km) 4787.678 4788.179
    Position Y (km) -4479.018 -4478.025
    Position Z (km) -2027.242 -2027.145
    Velocity X (km/s) 2.929 5.042
    Velocity Y (km/s) 5.249 3.273
    Velocity Z (km/s) -4.688 4.689

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30474 STARLINK-33909
    Semimajor Axis (a) 6861.197 km 6861.123 km
    Eccentricity (e) 0.000185 0.000127
    Inclination (i) 43.0016° 43.0030°
    RAAN 129.9314° 351.0455°
    Perigee Argument 260.1838° 253.7471°
    Mean Anomaly (M) 99.8805° 106.3241°
    Apogee 484.328 km 483.857 km
    Perigee 481.792 km 482.115 km
    Orbit Epoch 2026-10-19T13:20:49+0000 2026-10-19T03:22:24+0000

    STARLINK-30474 & STARLINK-33909 Collision Probability (Pc) Trend

    STARLINK-30474 & STARLINK-33909 Collision Probability (Pc) TrendNot Available

    STARLINK-30474 & STARLINK-33909 Miss Distance (Miss Distance) Trend

    STARLINK-30474 & STARLINK-33909 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30474Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30474Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30474

    No nearby objects data