Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.810621E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T04:58:09+0800
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    1 Object 1

    AOE ID 35445
    NORAD ID 35445
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name SJ-16
    AOE ID 39358
    NORAD ID 39358
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB SJ-16
    Time of Closest Approach 2026-10-23T04:46:05+0000
    Collision Probability (Pc) 1.810621E-5
    Conjunction Distance (km) 0.961 km
    Relative Speed (km/s) 6.871 km/s
    Conjunction Risk Parameters R (Radial): 0.595 | I (In-track): -0.669 | C (Cross-track): -0.347
    Collision Risk Index (CRI) 0.6
    X Position (km) -2077.455 -2077.584
    Position Y (km) 264.374 265.15
    Position Z (km) 6648.449 6649.001
    Velocity X (km/s) -3.781 2.777
    Velocity Y (km/s) -6.541 -6.931
    Velocity Z (km/s) -0.865 1.146

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB SJ-16
    Semimajor Axis (a) 7060.933 km 6967.236 km
    Eccentricity (e) 0.013644 0.001672
    Inclination (i) 74.0348° 74.9705°
    RAAN 61.6686° 117.1393°
    Perigee Argument 70.3976° 282.1446°
    Mean Anomaly (M) 291.1861° 77.7869°
    Apogee 779.133 km 600.746 km
    Perigee 586.459 km 577.452 km
    Orbit Epoch 2026-10-21T08:01:56+0000 2026-10-21T15:24:47+0000

    COSMOS 2251 DEB & SJ-16 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & SJ-16 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & SJ-16 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & SJ-16 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SJ-16Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SJ-16Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data