Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.970927E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-11T16:18:30+0800
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    1 Object 1

    AOE ID 57253
    NORAD ID 57253
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63859
    NORAD ID 63859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5516 STARLINK-33821
    Time of Closest Approach 2026-10-11T18:16:57+0000
    Collision Probability (Pc) 7.970927E-6
    Conjunction Distance (km) 1.147 km
    Relative Speed (km/s) 5.066 km/s
    Conjunction Risk Parameters R (Radial): 1.145 | I (In-track): -0.064 | C (Cross-track): -0.024
    Collision Risk Index (CRI) 0.53
    X Position (km) 5315.391 5316.278
    Position Y (km) -126.093 -126.182
    Position Z (km) 4328.448 4329.169
    Velocity X (km/s) 1.771 -1.43
    Velocity Y (km/s) 7.154 7.229
    Velocity Z (km/s) -1.963 1.963

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5516 STARLINK-33821
    Semimajor Axis (a) 6861.429 km 6861.136 km
    Eccentricity (e) 0.000170 0.000368
    Inclination (i) 43.0031° 43.0033°
    RAAN 245.9069° 303.3809°
    Perigee Argument 244.2274° 264.1440°
    Mean Anomaly (M) 115.8402° 95.8992°
    Apogee 484.462 km 485.522 km
    Perigee 482.122 km 480.476 km
    Orbit Epoch 2026-10-10T15:06:55+0000 2026-10-10T18:26:55+0000

    STARLINK-5516 & STARLINK-33821 Collision Probability (Pc) Trend

    STARLINK-5516 & STARLINK-33821 Collision Probability (Pc) TrendNot Available

    STARLINK-5516 & STARLINK-33821 Miss Distance (Miss Distance) Trend

    STARLINK-5516 & STARLINK-33821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5516

    No nearby objects data