Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.553892E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:22:56+0800
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    1 Object 1

    AOE ID 41634
    NORAD ID 41634
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 65318
    NORAD ID 65318
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SJ 16-02 CAPELLA-16 (ACADIA)
    Time of Closest Approach 2026-09-12T21:39:48+0000
    Collision Probability (Pc) 1.553892E-6
    Conjunction Distance (km) 2.66 km
    Relative Speed (km/s) 14.36 km/s
    Conjunction Risk Parameters R (Radial): -1.768 | I (In-track): 0.62 | C (Cross-track): -1.886
    Collision Risk Index (CRI) 0.39
    X Position (km) -1988.25 -1989.202
    Position Y (km) 112.914 111.602
    Position Z (km) 6667.158 6665.051
    Velocity X (km/s) 2.697 -6.191
    Velocity Y (km/s) -7.01 3.91
    Velocity Z (km/s) 0.915 -1.908

    Orbital Parameters 国际轨道数据源

    Parameter SJ 16-02 CAPELLA-16 (ACADIA)
    Semimajor Axis (a) 6964.414 km 6961.805 km
    Eccentricity (e) 0.000782 0.000298
    Inclination (i) 75.0020° 97.7326°
    RAAN 116.6174° 327.6226°
    Perigee Argument 189.7593° 325.4932°
    Mean Anomaly (M) 170.3445° 34.6095°
    Apogee 591.724 km 585.741 km
    Perigee 580.830 km 581.595 km
    Orbit Epoch 2026-09-10T22:40:43+0000 2026-09-10T17:46:46+0000

    SJ 16-02 & CAPELLA-16 (ACADIA) Collision Probability (Pc) Trend

    SJ 16-02 & CAPELLA-16 (ACADIA) Collision Probability (Pc) TrendNot Available

    SJ 16-02 & CAPELLA-16 (ACADIA) Miss Distance (Miss Distance) Trend

    SJ 16-02 & CAPELLA-16 (ACADIA) Miss Distance (Miss Distance) TrendNot Available

    SJ 16-02Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CAPELLA-16 (ACADIA)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ 16-02Collision Probability Trend

    Object 1 Probability TrendNot Available

    CAPELLA-16 (ACADIA)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ 16-02

    No nearby objects data