Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.220119E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:45:16+0800
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    1 Object 1

    AOE ID 49441
    NORAD ID 49441
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53009
    NORAD ID 53009
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3128 STARLINK-4277
    Time of Closest Approach 2026-09-05T01:53:09+0000
    Collision Probability (Pc) 1.220119E-6
    Conjunction Distance (km) 2.758 km
    Relative Speed (km/s) 10.398 km/s
    Conjunction Risk Parameters R (Radial): 2.721 | I (In-track): -0.331 | C (Cross-track): -0.309
    Collision Risk Index (CRI) 0.37
    X Position (km) -4404.018 -4402.544
    Position Y (km) 3448.011 3446.281
    Position Z (km) 3929.809 3928.246
    Velocity X (km/s) -1.093 -5.809
    Velocity Y (km/s) -6.254 -2.562
    Velocity Z (km/s) 4.249 -4.25

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3128 STARLINK-4277
    Semimajor Axis (a) 6840.870 km 6837.875 km
    Eccentricity (e) 0.000161 0.000071
    Inclination (i) 53.1610° 53.1628°
    RAAN 124.8151° 7.8643°
    Perigee Argument 91.1455° 78.9356°
    Mean Anomaly (M) 268.9732° 281.1727°
    Apogee 463.837 km 460.226 km
    Perigee 461.629 km 459.250 km
    Orbit Epoch 2026-09-01T22:39:01+0000 2026-09-02T01:26:33+0000

    STARLINK-3128 & STARLINK-4277 Collision Probability (Pc) Trend

    STARLINK-3128 & STARLINK-4277 Collision Probability (Pc) TrendNot Available

    STARLINK-3128 & STARLINK-4277 Miss Distance (Miss Distance) Trend

    STARLINK-3128 & STARLINK-4277 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3128Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4277Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3128Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4277Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3128

    No nearby objects data