Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.376544E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:00:22+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 49931
    NORAD ID 49931
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 69399
    NORAD ID 69399
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2499 DEB QIANFAN-182
    Time of Closest Approach 2026-10-20T16:09:48+0000
    Collision Probability (Pc) 1.376544E-6
    Conjunction Distance (km) 2.924 km
    Relative Speed (km/s) 14.696 km/s
    Conjunction Risk Parameters R (Radial): -2.906 | I (In-track): 0.029 | C (Cross-track): -0.315
    Collision Risk Index (CRI) 0.38
    X Position (km) -7289.181 -7286.4
    Position Y (km) 1430.23 1429.362
    Position Z (km) 586.936 586.694
    Velocity X (km/s) 0.372 -0.599
    Velocity Y (km/s) -1.057 -0.013
    Velocity Z (km/s) 7.333 -7.293

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2499 DEB QIANFAN-182
    Semimajor Axis (a) 7665.775 km 7446.637 km
    Eccentricity (e) 0.028361 0.000207
    Inclination (i) 82.5415° 89.0017°
    RAAN 168.8322° 349.0212°
    Perigee Argument 1.3286° 108.0369°
    Mean Anomaly (M) 358.8513° 252.1008°
    Apogee 1505.050 km 1070.040 km
    Perigee 1070.226 km 1066.960 km
    Orbit Epoch 2026-10-19T21:34:41+0000 2026-10-20T06:24:39+0000

    COSMOS 2499 DEB & QIANFAN-182 Collision Probability (Pc) Trend

    COSMOS 2499 DEB & QIANFAN-182 Collision Probability (Pc) TrendNot Available

    COSMOS 2499 DEB & QIANFAN-182 Miss Distance (Miss Distance) Trend

    COSMOS 2499 DEB & QIANFAN-182 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2499 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-182Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2499 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-182Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2499 DEB

    No nearby objects data