Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.724891E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:09:47+0800
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    1 Object 1

    AOE ID 31057
    NORAD ID 31057
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 40075
    NORAD ID 40075
    Object Type PAYLOAD
    Country
    NO NO

    Conjunction Constraints

    Parameter FENGYUN 1C DEB AISSAT 2
    Time of Closest Approach 2026-10-22T08:35:32+0000
    Collision Probability (Pc) 8.724891E-5
    Conjunction Distance (km) 0.666 km
    Relative Speed (km/s) 12.271 km/s
    Conjunction Risk Parameters R (Radial): -0.659 | I (In-track): 0.049 | C (Cross-track): -0.073
    Collision Risk Index (CRI) 0.74
    X Position (km) 792.947 792.943
    Position Y (km) 1650.382 1650.576
    Position Z (km) -6724.522 -6725.159
    Velocity X (km/s) 6.662 1.178
    Velocity Y (km/s) 3.19 -7.275
    Velocity Z (km/s) 1.662 -1.65

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB AISSAT 2
    Semimajor Axis (a) 6996.763 km 6963.702 km
    Eccentricity (e) 0.012885 0.000405
    Inclination (i) 99.2278° 98.4207°
    RAAN 23.8792° 275.8139°
    Perigee Argument 0.6179° 192.2031°
    Mean Anomaly (M) 359.5166° 167.9090°
    Apogee 708.778 km 588.384 km
    Perigee 528.474 km 582.746 km
    Orbit Epoch 2026-10-19T01:36:47+0000 2026-10-20T23:17:45+0000

    FENGYUN 1C DEB & AISSAT 2 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & AISSAT 2 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & AISSAT 2 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & AISSAT 2 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    AISSAT 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    AISSAT 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data