Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.236976E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:49:00+0800
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    1 Object 1

    AOE ID 30677
    NORAD ID 30677
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 36827
    NORAD ID 36827
    Object Type PAYLOAD
    Country
    SE SE

    Conjunction Constraints

    Parameter FENGYUN 1C DEB PRISMA (TANGO)
    Time of Closest Approach 2026-10-21T04:53:55+0000
    Collision Probability (Pc) 1.236976E-5
    Conjunction Distance (km) 1.253 km
    Relative Speed (km/s) 14.817 km/s
    Conjunction Risk Parameters R (Radial): -1.223 | I (In-track): -0.053 | C (Cross-track): 0.265
    Collision Risk Index (CRI) 0.57
    X Position (km) 5425.71 5426.506
    Position Y (km) -3366.855 -3367.667
    Position Z (km) 3109.209 3109.736
    Velocity X (km/s) -3.372 2.098
    Velocity Y (km/s) 0.685 -2.738
    Velocity Z (km/s) 6.677 -6.661

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB PRISMA (TANGO)
    Semimajor Axis (a) 7136.851 km 7120.535 km
    Eccentricity (e) 0.006350 0.004032
    Inclination (i) 98.2311° 98.4163°
    RAAN 329.9774° 142.7098°
    Perigee Argument 351.1869° 213.5439°
    Mean Anomaly (M) 183.9051° 146.3198°
    Apogee 804.033 km 771.108 km
    Perigee 713.395 km 713.688 km
    Orbit Epoch 2026-10-18T20:53:17+0000 2026-10-19T20:36:33+0000

    FENGYUN 1C DEB & PRISMA (TANGO) Collision Probability (Pc) Trend

    FENGYUN 1C DEB & PRISMA (TANGO) Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & PRISMA (TANGO) Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & PRISMA (TANGO) Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRISMA (TANGO)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PRISMA (TANGO)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data