Conjunction Event Detail

    ⚠
    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.510922E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T00:04:25+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 19210
    NORAD ID 19210
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53083
    NORAD ID 53083
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1953 STARLINK-4251
    Time of Closest Approach 2026-10-19T18:17:08+0000
    Collision Probability (Pc) 1.510922E-3
    Conjunction Distance (km) 0.045 km
    Relative Speed (km/s) 15.262 km/s
    Conjunction Risk Parameters R (Radial): -0.017 | I (In-track): -0.004 | C (Cross-track): -0.041
    Collision Risk Index (CRI) 0.99
    X Position (km) 709.214 709.251
    Position Y (km) 620.401 620.411
    Position Z (km) 6770.068 6770.045
    Velocity X (km/s) -2.932 2.405
    Velocity Y (km/s) 7.044 -7.234
    Velocity Z (km/s) -0.333 0.41

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1953 STARLINK-4251
    Semimajor Axis (a) 6849.585 km 6843.709 km
    Eccentricity (e) 0.001199 0.000138
    Inclination (i) 82.5043° 97.2863°
    RAAN 292.9438° 107.4013°
    Perigee Argument 60.4040° 87.6274°
    Mean Anomaly (M) 299.8394° 272.5127°
    Apogee 479.660 km 466.518 km
    Perigee 463.236 km 464.626 km
    Orbit Epoch 2026-10-19T02:12:10+0000 2026-10-19T03:48:48+0000

    COSMOS 1953 & STARLINK-4251 Collision Probability (Pc) Trend

    COSMOS 1953 & STARLINK-4251 Collision Probability (Pc) TrendNot Available

    COSMOS 1953 & STARLINK-4251 Miss Distance (Miss Distance) Trend

    COSMOS 1953 & STARLINK-4251 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1953Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4251Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1953Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4251Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1953

    No nearby objects data