Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.418044E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:05:32+0800
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    1 Object 1

    AOE ID 9062
    NORAD ID 9062
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 69850
    NORAD ID 69850
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-8 R/B QIANFAN-221
    Time of Closest Approach 2026-09-17T07:02:39+0000
    Collision Probability (Pc) 5.418044E-6
    Conjunction Distance (km) 1.529 km
    Relative Speed (km/s) 11.849 km/s
    Conjunction Risk Parameters R (Radial): 1.447 | I (In-track): 0.304 | C (Cross-track): 0.392
    Collision Risk Index (CRI) 0.5
    X Position (km) 476.329 475.928
    Position Y (km) 863.494 863.672
    Position Z (km) 7250.56 7252.025
    Velocity X (km/s) -4.472 -4.332
    Velocity Y (km/s) 5.868 -5.895
    Velocity Z (km/s) -0.407 1.004

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B QIANFAN-221
    Semimajor Axis (a) 7346.497 km 7338.694 km
    Eccentricity (e) 0.002985 0.003137
    Inclination (i) 82.9322° 89.0081°
    RAAN 308.1556° 54.0160°
    Perigee Argument 105.5249° 30.8294°
    Mean Anomaly (M) 60.6737° 329.4708°
    Apogee 990.286 km 983.580 km
    Perigee 946.434 km 937.534 km
    Orbit Epoch 2026-09-15T15:20:18+0000 2026-09-15T11:10:27+0000

    SL-8 R/B & QIANFAN-221 Collision Probability (Pc) Trend

    SL-8 R/B & QIANFAN-221 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & QIANFAN-221 Miss Distance (Miss Distance) Trend

    SL-8 R/B & QIANFAN-221 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data