Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.354369E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:14:02+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 15621
    NORAD ID 15621
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 20554
    NORAD ID 20554
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 1639 COSMOS 2069
    Time of Closest Approach 2026-10-29T10:37:01+0000
    Collision Probability (Pc) 2.354369E-4
    Conjunction Distance (km) 0.457 km
    Relative Speed (km/s) 13.341 km/s
    Conjunction Risk Parameters R (Radial): -0.447 | I (In-track): 0.018 | C (Cross-track): 0.085
    Collision Risk Index (CRI) 0.82
    X Position (km) -4422.052 -4422.239
    Position Y (km) 4277.231 4277.531
    Position Z (km) -4863.945 -4864.233
    Velocity X (km/s) -4.72 1.223
    Velocity Y (km/s) 1.093 -4.668
    Velocity Z (km/s) 5.227 -5.235

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1639 COSMOS 2069
    Semimajor Axis (a) 7838.199 km 7823.684 km
    Eccentricity (e) 0.002557 0.002100
    Inclination (i) 74.0534° 73.9804°
    RAAN 151.0051° 305.0894°
    Perigee Argument 236.2876° 77.5088°
    Mean Anomaly (M) 188.9257° 95.8587°
    Apogee 1480.109 km 1461.980 km
    Perigee 1440.015 km 1429.114 km
    Orbit Epoch 2026-10-27T22:43:07+0000 2026-10-27T18:10:55+0000

    COSMOS 1639 & COSMOS 2069 Collision Probability (Pc) Trend

    COSMOS 1639 & COSMOS 2069 Collision Probability (Pc) TrendNot Available

    COSMOS 1639 & COSMOS 2069 Miss Distance (Miss Distance) Trend

    COSMOS 1639 & COSMOS 2069 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1639Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2069Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1639Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2069Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1639

    No nearby objects data