Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.394116E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:32:08+0800
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    1 Object 1

    AOE ID 31877
    NORAD ID 31877
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63657
    NORAD ID 63657
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33789
    Time of Closest Approach 2026-10-28T10:09:35+0000
    Collision Probability (Pc) 1.394116E-6
    Conjunction Distance (km) 2.464 km
    Relative Speed (km/s) 9.587 km/s
    Conjunction Risk Parameters R (Radial): -0.385 | I (In-track): -1.892 | C (Cross-track): 1.53
    Collision Risk Index (CRI) 0.38
    X Position (km) 1272.154 1272.879
    Position Y (km) 5327.056 5325.231
    Position Z (km) -4134.407 -4135.895
    Velocity X (km/s) 2.512 -6.369
    Velocity Y (km/s) 4.056 3.408
    Velocity Z (km/s) 5.981 2.43

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33789
    Semimajor Axis (a) 6916.028 km 6861.171 km
    Eccentricity (e) 0.008896 0.000346
    Inclination (i) 99.0107° 42.9993°
    RAAN 68.3741° 139.5179°
    Perigee Argument 314.2149° 285.6450°
    Mean Anomaly (M) 45.1792° 74.4020°
    Apogee 599.414 km 485.406 km
    Perigee 476.368 km 480.662 km
    Orbit Epoch 2026-10-27T07:16:40+0000 2026-10-26T20:46:09+0000

    FENGYUN 1C DEB & STARLINK-33789 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33789 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33789 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33789 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33789Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33789Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data