Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.164623E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:22:50+0800
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    1 Object 1

    AOE ID 31991
    NORAD ID 31991
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63160
    NORAD ID 63160
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-74
    Time of Closest Approach 2026-09-13T06:03:49+0000
    Collision Probability (Pc) 6.164623E-5
    Conjunction Distance (km) 0.778 km
    Relative Speed (km/s) 14.562 km/s
    Conjunction Risk Parameters R (Radial): -0.665 | I (In-track): 0.044 | C (Cross-track): -0.399
    Collision Risk Index (CRI) 0.71
    X Position (km) -2715.926 -2716.541
    Position Y (km) 6884.245 6884.719
    Position Z (km) -856.327 -856.353
    Velocity X (km/s) 1.004 0.182
    Velocity Y (km/s) 1.089 -0.823
    Velocity Z (km/s) 7.145 -7.266

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-74
    Semimajor Axis (a) 7408.923 km 7446.650 km
    Eccentricity (e) 0.024465 0.000185
    Inclination (i) 100.4691° 88.9657°
    RAAN 105.0292° 291.7266°
    Perigee Argument 108.8280° 95.4002°
    Mean Anomaly (M) 253.9561° 264.7360°
    Apogee 1212.044 km 1069.893 km
    Perigee 849.528 km 1067.133 km
    Orbit Epoch 2026-09-08T07:55:08+0000 2026-09-10T06:02:38+0000

    FENGYUN 1C DEB & QIANFAN-74 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-74 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-74 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-74 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-74Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-74Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data