Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.801997E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:54:55+0800
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    1 Object 1

    AOE ID 30546
    NORAD ID 30546
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43776
    NORAD ID 43776
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SPAWAR-CAL-R
    Time of Closest Approach 2026-10-21T17:20:56+0000
    Collision Probability (Pc) 4.801997E-4
    Conjunction Distance (km) 0.308 km
    Relative Speed (km/s) 13.961 km/s
    Conjunction Risk Parameters R (Radial): -0.024 | I (In-track): 0.119 | C (Cross-track): -0.282
    Collision Risk Index (CRI) 0.89
    X Position (km) 2450.763 2450.717
    Position Y (km) -414.396 -414.699
    Position Z (km) -6459.322 -6459.294
    Velocity X (km/s) -6.865 6.057
    Velocity Y (km/s) -2.155 -3.795
    Velocity Z (km/s) -2.48 2.542

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SPAWAR-CAL-R
    Semimajor Axis (a) 6971.350 km 6926.428 km
    Eccentricity (e) 0.008394 0.001831
    Inclination (i) 98.8705° 97.4250°
    RAAN 192.6685° 328.9982°
    Perigee Argument 244.7720° 295.9695°
    Mean Anomaly (M) 268.1514° 63.9646°
    Apogee 651.730 km 560.977 km
    Perigee 534.696 km 535.605 km
    Orbit Epoch 2026-10-20T05:29:28+0000 2026-10-20T01:47:43+0000

    FENGYUN 1C DEB & SPAWAR-CAL-R Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SPAWAR-CAL-R Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SPAWAR-CAL-R Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SPAWAR-CAL-R Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPAWAR-CAL-RMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPAWAR-CAL-RCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data