Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.209497E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T08:48:55+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 65490
    NORAD ID 65490
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter SJ-7 OBJECT C
    Time of Closest Approach 2026-10-22T08:30:57+0000
    Collision Probability (Pc) 3.209497E-6
    Conjunction Distance (km) 1.91 km
    Relative Speed (km/s) 14.647 km/s
    Conjunction Risk Parameters R (Radial): 1.451 | I (In-track): 0.336 | C (Cross-track): -1.195
    Collision Risk Index (CRI) 0.45
    X Position (km) 2331.672 2332.06
    Position Y (km) -2356.191 -2354.818
    Position Z (km) 6019.194 6017.925
    Velocity X (km/s) -6.011 3.076
    Velocity Y (km/s) 3.06 -5.998
    Velocity Z (km/s) 3.53 -3.534

    Orbital Parameters 国际轨道数据源

    Parameter SJ-7 OBJECT C
    Semimajor Axis (a) 6874.615 km 6867.685 km
    Eccentricity (e) 0.001373 0.001259
    Inclination (i) 97.7184° 97.4088°
    RAAN 328.2707° 119.9940°
    Perigee Argument 316.2465° 288.5631°
    Mean Anomaly (M) 43.7682° 71.4239°
    Apogee 505.919 km 498.194 km
    Perigee 487.037 km 480.902 km
    Orbit Epoch 2026-10-21T16:28:38+0000 2026-10-21T06:48:38+0000

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

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

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

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

    SJ-7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-7Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-7

    No nearby objects data