Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.330211E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:55:23+0800
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    1 Object 1

    AOE ID 49961
    NORAD ID 49961
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56469
    NORAD ID 56469
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIJIAN 6 05A (SJ-6 05A) STARLINK-5518
    Time of Closest Approach 2026-09-12T09:23:47+0000
    Collision Probability (Pc) 6.330211E-6
    Conjunction Distance (km) 1.524 km
    Relative Speed (km/s) 14.676 km/s
    Conjunction Risk Parameters R (Radial): 0.295 | I (In-track): -0.354 | C (Cross-track): 1.453
    Collision Risk Index (CRI) 0.51
    X Position (km) -2115.155 -2115.914
    Position Y (km) -2781.662 -2780.492
    Position Z (km) -6012.595 -6013.21
    Velocity X (km/s) -5.371 6.999
    Velocity Y (km/s) -3.851 0.692
    Velocity Z (km/s) 3.675 -2.783

    Orbital Parameters 国际轨道数据源

    Parameter SHIJIAN 6 05A (SJ-6 05A) STARLINK-5518
    Semimajor Axis (a) 6945.786 km 6950.169 km
    Eccentricity (e) 0.000359 0.000313
    Inclination (i) 97.4226° 70.0014°
    RAAN 218.1453° 18.4065°
    Perigee Argument 69.3375° 267.7364°
    Mean Anomaly (M) 290.8234° 92.3437°
    Apogee 570.146 km 574.211 km
    Perigee 565.152 km 569.853 km
    Orbit Epoch 2026-09-10T16:02:02+0000 2026-09-10T14:38:24+0000

    SHIJIAN 6 05A (SJ-6 05A) & STARLINK-5518 Collision Probability (Pc) Trend

    SHIJIAN 6 05A (SJ-6 05A) & STARLINK-5518 Collision Probability (Pc) TrendNot Available

    SHIJIAN 6 05A (SJ-6 05A) & STARLINK-5518 Miss Distance (Miss Distance) Trend

    SHIJIAN 6 05A (SJ-6 05A) & STARLINK-5518 Miss Distance (Miss Distance) TrendNot Available

    SHIJIAN 6 05A (SJ-6 05A)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIJIAN 6 05A (SJ-6 05A)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIJIAN 6 05A (SJ-6 05A)

    No nearby objects data