Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.564663E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:54:10+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 4499
    NORAD ID 4499
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 14174
    NORAD ID 14174
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter DELTA 1 DEB COSMOS 1476
    Time of Closest Approach 2026-09-16T08:21:16+0000
    Collision Probability (Pc) 1.564663E-6
    Conjunction Distance (km) 2.617 km
    Relative Speed (km/s) 13.906 km/s
    Conjunction Risk Parameters R (Radial): -2.469 | I (In-track): -0.185 | C (Cross-track): 0.845
    Collision Risk Index (CRI) 0.39
    X Position (km) 1618.535 1618.216
    Position Y (km) 1730.356 1730.772
    Position Z (km) -7473.592 -7476.156
    Velocity X (km/s) -0.124 -2.835
    Velocity Y (km/s) -6.929 6.47
    Velocity Z (km/s) -1.652 0.892

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB COSMOS 1476
    Semimajor Axis (a) 7837.194 km 7832.003 km
    Eccentricity (e) 0.002812 0.001069
    Inclination (i) 101.3531° 74.0234°
    RAAN 263.5461° 114.8713°
    Perigee Argument 182.7625° 37.2488°
    Mean Anomaly (M) 329.2962° 334.6871°
    Apogee 1481.100 km 1462.243 km
    Perigee 1437.014 km 1445.489 km
    Orbit Epoch 2026-09-13T12:38:26+0000 2026-09-13T21:26:18+0000

    DELTA 1 DEB & COSMOS 1476 Collision Probability (Pc) Trend

    DELTA 1 DEB & COSMOS 1476 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & COSMOS 1476 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & COSMOS 1476 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1476Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1476Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data