Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.773246E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:26:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 6019
    NORAD ID 6019
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 15505
    NORAD ID 15505
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 489 COSMOS 1627
    Time of Closest Approach 2026-09-15T20:43:57+0000
    Collision Probability (Pc) 1.773246E-6
    Conjunction Distance (km) 2.46 km
    Relative Speed (km/s) 14.323 km/s
    Conjunction Risk Parameters R (Radial): 1.731 | I (In-track): 0.416 | C (Cross-track): 1.698
    Collision Risk Index (CRI) 0.4
    X Position (km) 5912.83 5914.598
    Position Y (km) -1634.419 -1633.103
    Position Z (km) 4034.386 4035.476
    Velocity X (km/s) 4.353 -3.605
    Velocity Y (km/s) 1.317 2.123
    Velocity Z (km/s) -5.806 6.075

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 489 COSMOS 1627
    Semimajor Axis (a) 7355.685 km 7361.214 km
    Eccentricity (e) 0.002328 0.004332
    Inclination (i) 74.0211° 82.9255°
    RAAN 178.8388° 341.7658°
    Perigee Argument 98.4455° 102.7874°
    Mean Anomaly (M) 275.0308° 319.5120°
    Apogee 994.675 km 1014.963 km
    Perigee 960.421 km 951.191 km
    Orbit Epoch 2026-09-13T19:14:45+0000 2026-09-13T07:43:35+0000

    COSMOS 489 & COSMOS 1627 Collision Probability (Pc) Trend

    COSMOS 489 & COSMOS 1627 Collision Probability (Pc) TrendNot Available

    COSMOS 489 & COSMOS 1627 Miss Distance (Miss Distance) Trend

    COSMOS 489 & COSMOS 1627 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1627Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 489Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1627Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 489

    No nearby objects data