Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.484139E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T06:23:22+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 69451
    NORAD ID 69451
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-37578
    Time of Closest Approach 2026-10-17T01:30:56+0000
    Collision Probability (Pc) 1.484139E-6
    Conjunction Distance (km) 2.581 km
    Relative Speed (km/s) 12.224 km/s
    Conjunction Risk Parameters R (Radial): -2.301 | I (In-track): 0.694 | C (Cross-track): 0.939
    Collision Risk Index (CRI) 0.38
    X Position (km) 5066.118 5063.63
    Position Y (km) 4598.755 4598.072
    Position Z (km) 150.824 150.781
    Velocity X (km/s) -2.971 -3.183
    Velocity Y (km/s) 3.485 3.293
    Velocity Z (km/s) -6.109 6.11

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-37578
    Semimajor Axis (a) 6843.311 km 6840.837 km
    Eccentricity (e) 0.000123 0.000107
    Inclination (i) 53.1590° 53.1608°
    RAAN 227.5903° 43.4277°
    Perigee Argument 102.8351° 85.6370°
    Mean Anomaly (M) 257.2789° 274.4755°
    Apogee 466.016 km 463.432 km
    Perigee 464.332 km 461.968 km
    Orbit Epoch 2026-10-16T02:50:39+0000 2026-10-16T14:33:58+0000

    STARLINK-3981 & STARLINK-37578 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-37578 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-37578 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-37578 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37578Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37578Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data