Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.089576E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:51:28+0800
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    1 Object 1

    AOE ID 52687
    NORAD ID 52687
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53799
    NORAD ID 53799
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-4710
    Time of Closest Approach 2026-10-22T22:51:15+0000
    Collision Probability (Pc) 1.089576E-6
    Conjunction Distance (km) 2.93 km
    Relative Speed (km/s) 9.796 km/s
    Conjunction Risk Parameters R (Radial): -2.775 | I (In-track): -0.716 | C (Cross-track): 0.604
    Collision Risk Index (CRI) 0.36
    X Position (km) -5002.638 -5000.276
    Position Y (km) 1917.728 1917.826
    Position Z (km) -4265.874 -4264.144
    Velocity X (km/s) -4.939 0.753
    Velocity Y (km/s) -4.367 -6.551
    Velocity Z (km/s) 3.833 -3.834

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-4710
    Semimajor Axis (a) 6843.375 km 6840.876 km
    Eccentricity (e) 0.000134 0.000116
    Inclination (i) 53.1583° 53.1600°
    RAAN 208.7243° 315.6570°
    Perigee Argument 93.5748° 90.6879°
    Mean Anomaly (M) 266.5408° 269.4257°
    Apogee 466.155 km 463.534 km
    Perigee 464.321 km 461.944 km
    Orbit Epoch 2026-10-20T03:49:11+0000 2026-10-20T02:37:53+0000

    STARLINK-3981 & STARLINK-4710 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-4710 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-4710 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-4710 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4710Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4710Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data