Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.652343E-5
    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 67135
    NORAD ID 67135
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SJ-9A KUIPER-00175
    Time of Closest Approach 2026-09-12T14:48:26+0000
    Collision Probability (Pc) 1.652343E-5
    Conjunction Distance (km) 1.073 km
    Relative Speed (km/s) 10.344 km/s
    Conjunction Risk Parameters R (Radial): -0.424 | I (In-track): 0.717 | C (Cross-track): 0.676
    Collision Risk Index (CRI) 0.59
    X Position (km) 2649.117 2648.926
    Position Y (km) 3616.702 3617.307
    Position Z (km) 5377.385 5376.52
    Velocity X (km/s) 4.621 -4.954
    Velocity Y (km/s) 3.646 5.546
    Velocity Z (km/s) -4.708 -1.287

    Orbital Parameters 国际轨道数据源

    Parameter SJ-9A KUIPER-00175
    Semimajor Axis (a) 6989.732 km 7007.684 km
    Eccentricity (e) 0.002489 0.000033
    Inclination (i) 97.6817° 51.9010°
    RAAN 223.1382° 310.3421°
    Perigee Argument 337.6507° 74.3578°
    Mean Anomaly (M) 22.3622° 285.7421°
    Apogee 628.993 km 629.782 km
    Perigee 594.197 km 629.312 km
    Orbit Epoch 2026-09-11T05:53:56+0000 2026-09-11T04:18:41+0000

    SJ-9A & KUIPER-00175 Collision Probability (Pc) Trend

    SJ-9A & KUIPER-00175 Collision Probability (Pc) TrendNot Available

    SJ-9A & KUIPER-00175 Miss Distance (Miss Distance) Trend

    SJ-9A & KUIPER-00175 Miss Distance (Miss Distance) TrendNot Available

    SJ-9AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00175Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-9ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00175Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-9A

    No nearby objects data