Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.095798E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T03:43:27+0800
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    1 Object 1

    AOE ID 53172
    NORAD ID 53172
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55316
    NORAD ID 55316
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4299 STARLINK-5257
    Time of Closest Approach 2026-10-22T20:50:24+0000
    Collision Probability (Pc) 1.095798E-6
    Conjunction Distance (km) 2.466 km
    Relative Speed (km/s) 6.347 km/s
    Conjunction Risk Parameters R (Radial): -2.434 | I (In-track): 0.357 | C (Cross-track): -0.168
    Collision Risk Index (CRI) 0.36
    X Position (km) -2049.029 -2049.382
    Position Y (km) 3593.052 3594.359
    Position Z (km) -5466.143 -5468.203
    Velocity X (km/s) -6.906 -6.231
    Velocity Y (km/s) -3.179 2.207
    Velocity Z (km/s) 0.499 3.787

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4299 STARLINK-5257
    Semimajor Axis (a) 6848.827 km 6852.697 km
    Eccentricity (e) 0.000159 0.000308
    Inclination (i) 53.1599° 69.9988°
    RAAN 205.1730° 150.8619°
    Perigee Argument 94.6900° 277.8616°
    Mean Anomaly (M) 265.4283° 82.2210°
    Apogee 471.777 km 476.668 km
    Perigee 469.603 km 472.452 km
    Orbit Epoch 2026-10-22T03:59:09+0000 2026-10-21T23:07:56+0000

    STARLINK-4299 & STARLINK-5257 Collision Probability (Pc) Trend

    STARLINK-4299 & STARLINK-5257 Collision Probability (Pc) TrendNot Available

    STARLINK-4299 & STARLINK-5257 Miss Distance (Miss Distance) Trend

    STARLINK-4299 & STARLINK-5257 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4299Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5257Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4299Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5257Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4299

    No nearby objects data