Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.285994E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-28T12:23:13+0800
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    1 Object 1

    AOE ID 3530
    NORAD ID 3530
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 63941
    NORAD ID 63941
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 STARLINK-34004
    Time of Closest Approach 2026-08-28T13:17:48+0000
    Collision Probability (Pc) 1.285994E-6
    Conjunction Distance (km) 2.922 km
    Relative Speed (km/s) 13.034 km/s
    Conjunction Risk Parameters R (Radial): 1.131 | I (In-track): -1.414 | C (Cross-track): 2.294
    Collision Risk Index (CRI) 0.37
    X Position (km) 5190.657 5191.396
    Position Y (km) 201.729 199.08
    Position Z (km) 4612.005 4612.992
    Velocity X (km/s) -4.516 4.341
    Velocity Y (km/s) 4.752 3.633
    Velocity Z (km/s) 4.463 -5.033

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 STARLINK-34004
    Semimajor Axis (a) 7686.325 km 6950.165 km
    Eccentricity (e) 0.101306 0.000365
    Inclination (i) 62.3202° 70.0008°
    RAAN 336.5716° 202.8095°
    Perigee Argument 69.7375° 260.8496°
    Mean Anomaly (M) 300.9506° 99.2250°
    Apogee 2086.855 km 574.565 km
    Perigee 529.521 km 569.491 km
    Orbit Epoch 2026-08-27T16:35:21+0000 2026-08-27T20:40:26+0000

    COSMOS 252 & STARLINK-34004 Collision Probability (Pc) Trend

    COSMOS 252 & STARLINK-34004 Collision Probability (Pc) TrendNot Available

    COSMOS 252 & STARLINK-34004 Miss Distance (Miss Distance) Trend

    COSMOS 252 & STARLINK-34004 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34004Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34004Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252

    No nearby objects data