Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.368821E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T08:39:54+0800
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    1 Object 1

    AOE ID 49387
    NORAD ID 49387
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    Name HJS-9B
    AOE ID 68832
    NORAD ID 68832
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SDGSAT 1 HJS-9B
    Time of Closest Approach 2026-10-25T10:28:05+0000
    Collision Probability (Pc) 1.368821E-6
    Conjunction Distance (km) 2.937 km
    Relative Speed (km/s) 14.696 km/s
    Conjunction Risk Parameters R (Radial): -0.904 | I (In-track): 0.711 | C (Cross-track): -2.702
    Collision Risk Index (CRI) 0.38
    X Position (km) 5981.794 5981.65
    Position Y (km) -2458.519 -2455.668
    Position Z (km) 2377.404 2378.094
    Velocity X (km/s) -2.806 3.7
    Velocity Y (km/s) 0.048 3.505
    Velocity Z (km/s) 7.068 -5.647

    Orbital Parameters 国际轨道数据源

    Parameter SDGSAT 1 HJS-9B
    Semimajor Axis (a) 6885.072 km 6886.283 km
    Eccentricity (e) 0.000944 0.001062
    Inclination (i) 97.2499° 55.0020°
    RAAN 339.2608° 177.6240°
    Perigee Argument 168.4220° 17.3005°
    Mean Anomaly (M) 191.7234° 342.8374°
    Apogee 513.436 km 515.460 km
    Perigee 500.434 km 500.832 km
    Orbit Epoch 2026-10-24T07:30:47+0000 2026-10-24T06:56:45+0000

    SDGSAT 1 & HJS-9B Collision Probability (Pc) Trend

    SDGSAT 1 & HJS-9B Collision Probability (Pc) TrendNot Available

    SDGSAT 1 & HJS-9B Miss Distance (Miss Distance) Trend

    SDGSAT 1 & HJS-9B Miss Distance (Miss Distance) TrendNot Available

    SDGSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SDGSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SDGSAT 1

    No nearby objects data