Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.068693E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T22:33:26+0800
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    1 Object 1

    AOE ID 31455
    NORAD ID 31455
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 65981
    NORAD ID 65981
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SDA_1671
    Time of Closest Approach 2026-10-23T08:29:18+0000
    Collision Probability (Pc) 6.068693E-6
    Conjunction Distance (km) 1.544 km
    Relative Speed (km/s) 14.667 km/s
    Conjunction Risk Parameters R (Radial): 1.532 | I (In-track): -0.02 | C (Cross-track): 0.19
    Collision Risk Index (CRI) 0.51
    X Position (km) -1128.518 -1128.469
    Position Y (km) 201.95 201.874
    Position Z (km) 7253.325 7251.784
    Velocity X (km/s) -0.761 0.493
    Velocity Y (km/s) 7.252 -7.344
    Velocity Z (km/s) -0.423 0.279

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SDA_1671
    Semimajor Axis (a) 7231.552 km 7348.801 km
    Eccentricity (e) 0.021591 0.000189
    Inclination (i) 98.6060° 81.2967°
    RAAN 272.0530° 96.4530°
    Perigee Argument 246.3408° 205.2378°
    Mean Anomaly (M) 111.4970° 154.8684°
    Apogee 1009.554 km 972.050 km
    Perigee 697.276 km 969.278 km
    Orbit Epoch 2026-10-18T17:28:11+0000 2026-10-20T20:49:10+0000

    FENGYUN 1C DEB & SDA_1671 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SDA_1671 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SDA_1671 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SDA_1671 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SDA_1671Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SDA_1671Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data