Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.368911E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:18:05+0800
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    1 Object 1

    AOE ID 116
    NORAD ID 116
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 13485
    NORAD ID 13485
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter TRANSIT 4A COSMOS 1275 DEB
    Time of Closest Approach 2026-10-28T22:10:17+0000
    Collision Probability (Pc) 7.368911E-4
    Conjunction Distance (km) 0.211 km
    Relative Speed (km/s) 13.463 km/s
    Conjunction Risk Parameters R (Radial): -0.043 | I (In-track): -0.083 | C (Cross-track): -0.187
    Collision Risk Index (CRI) 0.92
    X Position (km) -1336.495 -1336.301
    Position Y (km) -4601.473 -4601.523
    Position Z (km) -5549.793 -5549.857
    Velocity X (km/s) 3.009 2.869
    Velocity Y (km/s) -5.531 4.906
    Velocity Z (km/s) 3.799 -4.702

    Orbital Parameters 国际轨道数据源

    Parameter TRANSIT 4A COSMOS 1275 DEB
    Semimajor Axis (a) 7298.547 km 7343.107 km
    Eccentricity (e) 0.007589 0.006545
    Inclination (i) 66.8087° 82.9410°
    RAAN 288.2907° 66.5087°
    Perigee Argument 185.7702° 301.8282°
    Mean Anomaly (M) 174.2512° 71.0755°
    Apogee 975.801 km 1013.030 km
    Perigee 865.019 km 916.910 km
    Orbit Epoch 2026-10-26T23:53:38+0000 2026-10-27T15:31:55+0000

    TRANSIT 4A & COSMOS 1275 DEB Collision Probability (Pc) Trend

    TRANSIT 4A & COSMOS 1275 DEB Collision Probability (Pc) TrendNot Available

    TRANSIT 4A & COSMOS 1275 DEB Miss Distance (Miss Distance) Trend

    TRANSIT 4A & COSMOS 1275 DEB Miss Distance (Miss Distance) TrendNot Available

    TRANSIT 4AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1275 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TRANSIT 4ACollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TRANSIT 4A

    No nearby objects data