Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.081815E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:47:06+0800
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    1 Object 1

    AOE ID 56471
    NORAD ID 56471
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58206
    NORAD ID 58206
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5521 STARLINK-30800
    Time of Closest Approach 2026-10-21T01:57:06+0000
    Collision Probability (Pc) 1.081815E-6
    Conjunction Distance (km) 2.87 km
    Relative Speed (km/s) 9.244 km/s
    Conjunction Risk Parameters R (Radial): -2.867 | I (In-track): 0.093 | C (Cross-track): -0.072
    Collision Risk Index (CRI) 0.36
    X Position (km) 1392.7 1393.374
    Position Y (km) 4929.048 4931.048
    Position Z (km) 4552.423 4554.367
    Velocity X (km/s) -2.133 -7.467
    Velocity Y (km/s) 5.289 1.029
    Velocity Z (km/s) -5.064 1.168

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5521 STARLINK-30800
    Semimajor Axis (a) 6855.210 km 6861.205 km
    Eccentricity (e) 0.000295 0.000145
    Inclination (i) 69.9968° 43.0007°
    RAAN 274.9084° 6.2223°
    Perigee Argument 271.2387° 259.1148°
    Mean Anomaly (M) 88.8450° 100.9540°
    Apogee 479.096 km 484.064 km
    Perigee 475.050 km 482.072 km
    Orbit Epoch 2026-10-20T09:40:07+0000 2026-10-20T06:47:06+0000

    STARLINK-5521 & STARLINK-30800 Collision Probability (Pc) Trend

    STARLINK-5521 & STARLINK-30800 Collision Probability (Pc) TrendNot Available

    STARLINK-5521 & STARLINK-30800 Miss Distance (Miss Distance) Trend

    STARLINK-5521 & STARLINK-30800 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30800Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30800Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5521

    No nearby objects data