Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.79771E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:50:08+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name SJ-12
    AOE ID 36596
    NORAD ID 36596
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 50187
    NORAD ID 50187
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SJ-12 STARLINK-3272
    Time of Closest Approach 2026-09-13T15:29:03+0000
    Collision Probability (Pc) 1.79771E-6
    Conjunction Distance (km) 2.458 km
    Relative Speed (km/s) 14.618 km/s
    Conjunction Risk Parameters R (Radial): 2.415 | I (In-track): -0.11 | C (Cross-track): 0.444
    Collision Risk Index (CRI) 0.4
    X Position (km) 349.953 349.657
    Position Y (km) -6337.344 -6339.655
    Position Z (km) 2690.527 2691.309
    Velocity X (km/s) -1.276 5.064
    Velocity Y (km/s) 2.884 -1.988
    Velocity Z (km/s) 6.92 -5.317

    Orbital Parameters 国际轨道数据源

    Parameter SJ-12 STARLINK-3272
    Semimajor Axis (a) 6891.865 km 6900.614 km
    Eccentricity (e) 0.000731 0.000286
    Inclination (i) 97.7608° 53.2141°
    RAAN 274.3092° 123.4325°
    Perigee Argument 146.8443° 113.6336°
    Mean Anomaly (M) 213.3249° 246.4959°
    Apogee 518.766 km 524.451 km
    Perigee 508.690 km 520.503 km
    Orbit Epoch 2026-09-11T12:44:15+0000 2026-09-11T01:03:18+0000

    SJ-12 & STARLINK-3272 Collision Probability (Pc) Trend

    SJ-12 & STARLINK-3272 Collision Probability (Pc) TrendNot Available

    SJ-12 & STARLINK-3272 Miss Distance (Miss Distance) Trend

    SJ-12 & STARLINK-3272 Miss Distance (Miss Distance) TrendNot Available

    SJ-12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3272Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3272Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-12

    No nearby objects data