Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.852037E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:29:56+0800
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    1 Object 1

    AOE ID 7270
    NORAD ID 7270
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 10652
    NORAD ID 10652
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 646 DELTA 1 DEB
    Time of Closest Approach 2026-09-15T07:22:38+0000
    Collision Probability (Pc) 3.852037E-6
    Conjunction Distance (km) 1.777 km
    Relative Speed (km/s) 14.205 km/s
    Conjunction Risk Parameters R (Radial): 1.769 | I (In-track): -0.028 | C (Cross-track): 0.162
    Collision Risk Index (CRI) 0.47
    X Position (km) 2558.755 2559.228
    Position Y (km) 245.225 245.159
    Position Z (km) 7420.688 7422.4
    Velocity X (km/s) -4.178 5.447
    Velocity Y (km/s) 5.607 -4.406
    Velocity Z (km/s) 1.266 -1.715

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 646 DELTA 1 DEB
    Semimajor Axis (a) 7821.668 km 8068.255 km
    Eccentricity (e) 0.005240 0.025615
    Inclination (i) 74.0188° 102.8551°
    RAAN 311.5571° 142.0976°
    Perigee Argument 280.2551° 103.5061°
    Mean Anomaly (M) 252.8045° 259.4650°
    Apogee 1484.513 km 1896.786 km
    Perigee 1402.549 km 1483.450 km
    Orbit Epoch 2026-09-13T21:26:35+0000 2026-09-13T02:42:20+0000

    COSMOS 646 & DELTA 1 DEB Collision Probability (Pc) Trend

    COSMOS 646 & DELTA 1 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 646 & DELTA 1 DEB Miss Distance (Miss Distance) Trend

    COSMOS 646 & DELTA 1 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 646Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 646Collision Probability Trend

    Object 1 Probability TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 646

    No nearby objects data