Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.675677E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:54:12+0800
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    1 Object 1

    AOE ID 12639
    NORAD ID 12639
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter COSMOS 1290 COSMOS 1476
    Time of Closest Approach 2026-09-15T18:53:18+0000
    Collision Probability (Pc) 8.675677E-7
    Conjunction Distance (km) 1.911 km
    Relative Speed (km/s) 1.545 km/s
    Conjunction Risk Parameters R (Radial): 1.083 | I (In-track): -1.564 | C (Cross-track): -0.172
    Collision Risk Index (CRI) 0.34
    X Position (km) 2088.968 2088.251
    Position Y (km) 597.238 598.669
    Position Z (km) -7538.142 -7537.1
    Velocity X (km/s) -1.223 -2.651
    Velocity Y (km/s) 7.008 6.603
    Velocity Z (km/s) 0.225 -0.204

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1290 COSMOS 1476
    Semimajor Axis (a) 7830.791 km 7832.003 km
    Eccentricity (e) 0.001467 0.001069
    Inclination (i) 74.0303° 74.0234°
    RAAN 102.3315° 114.8713°
    Perigee Argument 44.2234° 37.2488°
    Mean Anomaly (M) 343.8538° 334.6871°
    Apogee 1464.142 km 1462.243 km
    Perigee 1441.166 km 1445.489 km
    Orbit Epoch 2026-09-13T13:51:01+0000 2026-09-13T21:26:18+0000

    COSMOS 1290 & COSMOS 1476 Collision Probability (Pc) Trend

    COSMOS 1290 & COSMOS 1476 Collision Probability (Pc) TrendNot Available

    COSMOS 1290 & COSMOS 1476 Miss Distance (Miss Distance) Trend

    COSMOS 1290 & COSMOS 1476 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1290Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1476Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1290Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1476Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1290

    No nearby objects data