Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.0203E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T01:25:49+0800
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    1 Object 1

    AOE ID 31346
    NORAD ID 31346
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 55753
    NORAD ID 55753
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5617
    Time of Closest Approach 2026-10-20T13:00:04+0000
    Collision Probability (Pc) 8.0203E-6
    Conjunction Distance (km) 1.31 km
    Relative Speed (km/s) 9.911 km/s
    Conjunction Risk Parameters R (Radial): -0.85 | I (In-track): 0.761 | C (Cross-track): 0.643
    Collision Risk Index (CRI) 0.53
    X Position (km) -2573.744 -2574.343
    Position Y (km) 971.516 971.42
    Position Z (km) 6263.973 6262.812
    Velocity X (km/s) -5.037 -5.728
    Velocity Y (km/s) 5.039 -4.777
    Velocity Z (km/s) -2.781 -1.611

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5617
    Semimajor Axis (a) 6879.523 km 6854.372 km
    Eccentricity (e) 0.009001 0.000321
    Inclination (i) 98.8745° 70.0008°
    RAAN 316.6737° 38.7458°
    Perigee Argument 57.2781° 264.9489°
    Mean Anomaly (M) 303.7088° 279.2249°
    Apogee 563.310 km 478.435 km
    Perigee 439.462 km 474.035 km
    Orbit Epoch 2026-10-19T00:12:58+0000 2026-10-19T06:00:01+0000

    FENGYUN 1C DEB & STARLINK-5617 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5617 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5617 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5617 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5617Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5617Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data