Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.437538E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T05:47:01+0800
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    1 Object 1

    AOE ID 17974
    NORAD ID 17974
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 61552
    NORAD ID 61552
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-16 R/B QIANFAN-19
    Time of Closest Approach 2026-09-11T02:32:34+0000
    Collision Probability (Pc) 5.437538E-6
    Conjunction Distance (km) 1.327 km
    Relative Speed (km/s) 5.978 km/s
    Conjunction Risk Parameters R (Radial): -0.859 | I (In-track): -0.926 | C (Cross-track): -0.401
    Collision Risk Index (CRI) 0.5
    X Position (km) 2020.322 2020.958
    Position Y (km) 2316.017 2316.063
    Position Z (km) 6527.554 6526.392
    Velocity X (km/s) -7.125 -4.654
    Velocity Y (km/s) 0.466 -4.862
    Velocity Z (km/s) 2.042 3.154

    Orbital Parameters 国际轨道数据源

    Parameter SL-16 R/B QIANFAN-19
    Semimajor Axis (a) 7211.395 km 7222.061 km
    Eccentricity (e) 0.001611 0.000818
    Inclination (i) 71.0110° 88.9840°
    RAAN 3.0904° 46.7913°
    Perigee Argument 280.9605° 138.6120°
    Mean Anomaly (M) 157.6127° 221.5688°
    Apogee 844.875 km 849.831 km
    Perigee 821.641 km 838.017 km
    Orbit Epoch 2026-09-10T13:01:17+0000 2026-09-10T14:21:12+0000

    SL-16 R/B & QIANFAN-19 Collision Probability (Pc) Trend

    SL-16 R/B & QIANFAN-19 Collision Probability (Pc) TrendNot Available

    SL-16 R/B & QIANFAN-19 Miss Distance (Miss Distance) Trend

    SL-16 R/B & QIANFAN-19 Miss Distance (Miss Distance) TrendNot Available

    SL-16 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-19Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-16 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-19Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-16 R/B

    No nearby objects data