Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.910614E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T23:38:23+0800
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    1 Object 1

    AOE ID 13791
    NORAD ID 13791
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69388
    NORAD ID 69388
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 0252 QIANFAN-171
    Time of Closest Approach 2026-10-19T20:36:53+0000
    Collision Probability (Pc) 8.910614E-7
    Conjunction Distance (km) 2.839 km
    Relative Speed (km/s) 6.374 km/s
    Conjunction Risk Parameters R (Radial): 1.044 | I (In-track): -2.417 | C (Cross-track): 1.062
    Collision Risk Index (CRI) 0.34
    X Position (km) -4100.373 -4102.603
    Position Y (km) 681.963 683.671
    Position Z (km) -6187.189 -6186.78
    Velocity X (km/s) 2.293 5.938
    Velocity Y (km/s) -6.282 -1.22
    Velocity Z (km/s) -2.772 -4.076

    Orbital Parameters 国际轨道数据源

    Parameter OPS 0252 QIANFAN-171
    Semimajor Axis (a) 7314.116 km 7446.593 km
    Eccentricity (e) 0.066588 0.000206
    Inclination (i) 63.3097° 89.0061°
    RAAN 304.4187° 349.1237°
    Perigee Argument 138.6674° 99.7951°
    Mean Anomaly (M) 226.6797° 260.3433°
    Apogee 1423.012 km 1069.989 km
    Perigee 448.946 km 1066.923 km
    Orbit Epoch 2026-10-19T00:27:43+0000 2026-10-19T05:13:50+0000

    OPS 0252 & QIANFAN-171 Collision Probability (Pc) Trend

    OPS 0252 & QIANFAN-171 Collision Probability (Pc) TrendNot Available

    OPS 0252 & QIANFAN-171 Miss Distance (Miss Distance) Trend

    OPS 0252 & QIANFAN-171 Miss Distance (Miss Distance) TrendNot Available

    OPS 0252Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 0252Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 0252

    No nearby objects data