Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.002294E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T12:38:36+0800
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    1 Object 1

    AOE ID 40286
    NORAD ID 40286
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 41789
    NORAD ID 41789
    Object Type PAYLOAD
    Country
    DZ DZ

    Conjunction Constraints

    Parameter SJ-11-08 ALSAT 1N
    Time of Closest Approach 2026-09-15T00:23:32+0000
    Collision Probability (Pc) 3.002294E-6
    Conjunction Distance (km) 1.946 km
    Relative Speed (km/s) 14.263 km/s
    Conjunction Risk Parameters R (Radial): -1.19 | I (In-track): 0.487 | C (Cross-track): -1.459
    Collision Risk Index (CRI) 0.45
    X Position (km) -1505.98 -1507.073
    Position Y (km) -2778.869 -2777.657
    Position Z (km) 6304.512 6303.454
    Velocity X (km/s) -5.173 1.05
    Velocity Y (km/s) -4.426 6.708
    Velocity Z (km/s) -3.177 3.206

    Orbital Parameters 国际轨道数据源

    Parameter SJ-11-08 ALSAT 1N
    Semimajor Axis (a) 7051.183 km 7041.023 km
    Eccentricity (e) 0.001125 0.002431
    Inclination (i) 98.3647° 97.8059°
    RAAN 43.2743° 256.4092°
    Perigee Argument 319.0182° 264.3774°
    Mean Anomaly (M) 41.0174° 95.4660°
    Apogee 680.978 km 680.004 km
    Perigee 665.114 km 645.768 km
    Orbit Epoch 2026-09-13T20:01:32+0000 2026-09-13T23:35:07+0000

    SJ-11-08 & ALSAT 1N Collision Probability (Pc) Trend

    SJ-11-08 & ALSAT 1N Collision Probability (Pc) TrendNot Available

    SJ-11-08 & ALSAT 1N Miss Distance (Miss Distance) Trend

    SJ-11-08 & ALSAT 1N Miss Distance (Miss Distance) TrendNot Available

    SJ-11-08Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALSAT 1NMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-11-08Collision Probability Trend

    Object 1 Probability TrendNot Available

    ALSAT 1NCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-11-08

    No nearby objects data