Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.98782E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:43:59+0800
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    1 Object 1

    AOE ID 51461
    NORAD ID 51461
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52880
    NORAD ID 52880
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3181 STARLINK-4186
    Time of Closest Approach 2026-09-05T06:24:41+0000
    Collision Probability (Pc) 9.98782E-7
    Conjunction Distance (km) 2.944 km
    Relative Speed (km/s) 8.478 km/s
    Conjunction Risk Parameters R (Radial): -2.804 | I (In-track): 0.749 | C (Cross-track): 0.492
    Collision Risk Index (CRI) 0.35
    X Position (km) -3822.47 -3823.473
    Position Y (km) 3123.962 3125.939
    Position Z (km) -4739.135 -4741.071
    Velocity X (km/s) -6.285 -1.741
    Velocity Y (km/s) -3.052 -6.765
    Velocity Z (km/s) 3.06 -3.059

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3181 STARLINK-4186
    Semimajor Axis (a) 6837.887 km 6840.883 km
    Eccentricity (e) 0.000134 0.000110
    Inclination (i) 53.1621° 53.1597°
    RAAN 201.3499° 288.6088°
    Perigee Argument 83.4128° 84.3615°
    Mean Anomaly (M) 276.7028° 275.7512°
    Apogee 460.670 km 463.496 km
    Perigee 458.830 km 461.996 km
    Orbit Epoch 2026-09-02T03:41:04+0000 2026-09-02T07:01:25+0000

    STARLINK-3181 & STARLINK-4186 Collision Probability (Pc) Trend

    STARLINK-3181 & STARLINK-4186 Collision Probability (Pc) TrendNot Available

    STARLINK-3181 & STARLINK-4186 Miss Distance (Miss Distance) Trend

    STARLINK-3181 & STARLINK-4186 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3181Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4186Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3181Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4186Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3181

    No nearby objects data