Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.272962E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T17:32:49+0800
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    1 Object 1

    Name SJ-7
    AOE ID 28737
    NORAD ID 28737
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57170
    NORAD ID 57170
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter SJ-7 OBJECT E
    Time of Closest Approach 2026-10-23T07:29:41+0000
    Collision Probability (Pc) 6.272962E-7
    Conjunction Distance (km) 2.993 km
    Relative Speed (km/s) 3.688 km/s
    Conjunction Risk Parameters R (Radial): -0.282 | I (In-track): -2.89 | C (Cross-track): 0.723
    Collision Risk Index (CRI) 0.31
    X Position (km) 311.095 308.218
    Position Y (km) 887.148 887.93
    Position Z (km) -6810.302 -6810.046
    Velocity X (km/s) 6.595 7.592
    Velocity Y (km/s) -3.788 -0.273
    Velocity Z (km/s) -0.185 0.315

    Orbital Parameters 国际轨道数据源

    Parameter SJ-7 OBJECT E
    Semimajor Axis (a) 6874.615 km 6866.162 km
    Eccentricity (e) 0.001373 0.000870
    Inclination (i) 97.7184° 97.4977°
    RAAN 328.2707° 357.1519°
    Perigee Argument 316.2465° 17.2891°
    Mean Anomaly (M) 43.7682° 342.8642°
    Apogee 505.919 km 493.999 km
    Perigee 487.037 km 482.051 km
    Orbit Epoch 2026-10-21T16:28:38+0000 2026-10-22T05:07:24+0000

    SJ-7 & OBJECT E Collision Probability (Pc) Trend

    SJ-7 & OBJECT E Collision Probability (Pc) TrendNot Available

    SJ-7 & OBJECT E Miss Distance (Miss Distance) Trend

    SJ-7 & OBJECT E Miss Distance (Miss Distance) TrendNot Available

    SJ-7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-7Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-7

    No nearby objects data