Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.318563E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:07:33+0800
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    1 Object 1

    AOE ID 58518
    NORAD ID 58518
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name SJ-26
    AOE ID 64199
    NORAD ID 64199
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-31021 SJ-26
    Time of Closest Approach 2026-09-03T09:35:46+0000
    Collision Probability (Pc) 1.318563E-6
    Conjunction Distance (km) 2.944 km
    Relative Speed (km/s) 13.838 km/s
    Conjunction Risk Parameters R (Radial): -2.94 | I (In-track): -0.049 | C (Cross-track): 0.125
    Collision Risk Index (CRI) 0.37
    X Position (km) 4503.352 4505.331
    Position Y (km) -3782.431 -3783.943
    Position Z (km) 3525.66 3527.23
    Velocity X (km/s) 5.755 -3.725
    Velocity Y (km/s) 3.66 1.623
    Velocity Z (km/s) -3.415 6.457

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31021 SJ-26
    Semimajor Axis (a) 6861.218 km 6870.868 km
    Eccentricity (e) 0.000111 0.002025
    Inclination (i) 43.0020° 97.4502°
    RAAN 188.6407° 323.5541°
    Perigee Argument 266.3275° 82.1983°
    Mean Anomaly (M) 93.7450° 278.1552°
    Apogee 483.842 km 506.647 km
    Perigee 482.320 km 478.815 km
    Orbit Epoch 2026-09-01T20:55:55+0000 2026-09-02T11:24:13+0000

    STARLINK-31021 & SJ-26 Collision Probability (Pc) Trend

    STARLINK-31021 & SJ-26 Collision Probability (Pc) TrendNot Available

    STARLINK-31021 & SJ-26 Miss Distance (Miss Distance) Trend

    STARLINK-31021 & SJ-26 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31021Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SJ-26Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31021Collision Probability Trend

    Object 1 Probability TrendNot Available

    SJ-26Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31021

    No nearby objects data