Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.399933E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:53:56+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 58635
    NORAD ID 58635
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31018
    Time of Closest Approach 2026-10-22T06:17:46+0000
    Collision Probability (Pc) 2.399933E-6
    Conjunction Distance (km) 2.132 km
    Relative Speed (km/s) 14.359 km/s
    Conjunction Risk Parameters R (Radial): -1.762 | I (In-track): 0.404 | C (Cross-track): 1.129
    Collision Risk Index (CRI) 0.43
    X Position (km) 2801.888 2803.485
    Position Y (km) 5994.218 5995.174
    Position Z (km) -1813.98 -1815.018
    Velocity X (km/s) 1.974 -5.791
    Velocity Y (km/s) 1.291 1.26
    Velocity Z (km/s) 7.283 -4.795

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31018
    Semimajor Axis (a) 6916.434 km 6861.176 km
    Eccentricity (e) 0.008908 0.000129
    Inclination (i) 99.0053° 43.0021°
    RAAN 58.7265° 244.6561°
    Perigee Argument 342.5568° 271.3754°
    Mean Anomaly (M) 17.2601° 88.6950°
    Apogee 599.911 km 483.924 km
    Perigee 476.683 km 482.154 km
    Orbit Epoch 2026-10-19T01:59:38+0000 2026-10-19T06:47:46+0000

    FENGYUN 1C DEB & STARLINK-31018 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31018 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31018 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31018 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31018Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31018Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data