Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.485268E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:01:20+0800
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    1 Object 1

    Name SJ-9A
    AOE ID 38860
    NORAD ID 38860
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67138
    NORAD ID 67138
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SJ-9A KUIPER-00183
    Time of Closest Approach 2026-09-11T16:10:29+0000
    Collision Probability (Pc) 2.485268E-4
    Conjunction Distance (km) 0.417 km
    Relative Speed (km/s) 10.539 km/s
    Conjunction Risk Parameters R (Radial): 0.032 | I (In-track): 0.297 | C (Cross-track): 0.292
    Collision Risk Index (CRI) 0.83
    X Position (km) 2674.041 2674.039
    Position Y (km) 3549.469 3549.835
    Position Z (km) 5409.079 5408.88
    Velocity X (km/s) 4.7 -5.039
    Velocity Y (km/s) 3.601 5.505
    Velocity Z (km/s) -4.664 -1.119

    Orbital Parameters 国际轨道数据源

    Parameter SJ-9A KUIPER-00183
    Semimajor Axis (a) 6989.732 km 7007.691 km
    Eccentricity (e) 0.002489 0.000034
    Inclination (i) 97.6817° 51.9026°
    RAAN 223.1382° 307.3006°
    Perigee Argument 337.6507° 82.4950°
    Mean Anomaly (M) 22.3622° 277.6050°
    Apogee 628.993 km 629.789 km
    Perigee 594.197 km 629.319 km
    Orbit Epoch 2026-09-11T05:53:56+0000 2026-09-11T07:37:04+0000

    SJ-9A & KUIPER-00183 Collision Probability (Pc) Trend

    SJ-9A & KUIPER-00183 Collision Probability (Pc) TrendNot Available

    SJ-9A & KUIPER-00183 Miss Distance (Miss Distance) Trend

    SJ-9A & KUIPER-00183 Miss Distance (Miss Distance) TrendNot Available

    SJ-9AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00183Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-9ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00183Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-9A

    No nearby objects data