Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.703262E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T13:08:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 8895
    NORAD ID 8895
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 14176
    NORAD ID 14176
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 831 COSMOS 1478
    Time of Closest Approach 2026-09-13T12:47:22+0000
    Collision Probability (Pc) 1.703262E-6
    Conjunction Distance (km) 2.475 km
    Relative Speed (km/s) 13.63 km/s
    Conjunction Risk Parameters R (Radial): 1.919 | I (In-track): 0.454 | C (Cross-track): -1.494
    Collision Risk Index (CRI) 0.4
    X Position (km) -854.436 -856.196
    Position Y (km) 7328.557 7330.169
    Position Z (km) 2689.4 2690.052
    Velocity X (km/s) -1.807 -2.344
    Velocity Y (km/s) -2.564 2.088
    Velocity Z (km/s) 6.406 -6.394

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 831 COSMOS 1478
    Semimajor Axis (a) 7868.889 km 7849.899 km
    Eccentricity (e) 0.002073 0.001172
    Inclination (i) 73.9973° 74.0234°
    RAAN 91.3437° 284.0503°
    Perigee Argument 1.3678° 33.0685°
    Mean Anomaly (M) 166.6216° 76.2842°
    Apogee 1507.069 km 1480.966 km
    Perigee 1474.435 km 1462.558 km
    Orbit Epoch 2026-09-13T00:03:59+0000 2026-09-12T11:31:18+0000

    COSMOS 831 & COSMOS 1478 Collision Probability (Pc) Trend

    COSMOS 831 & COSMOS 1478 Collision Probability (Pc) TrendNot Available

    COSMOS 831 & COSMOS 1478 Miss Distance (Miss Distance) Trend

    COSMOS 831 & COSMOS 1478 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 831Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 831Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 831

    No nearby objects data