Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.057928E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T18:09:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 20438
    NORAD ID 20438
    Object Type PAYLOAD
    Country
    GB GB
    VS

    2 Object 2

    AOE ID 33741
    NORAD ID 33741
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter OSCAR 15 (UOSAT 4) FENGYUN 1C DEB
    Time of Closest Approach 2026-09-14T12:12:32+0000
    Collision Probability (Pc) 3.057928E-6
    Conjunction Distance (km) 1.935 km
    Relative Speed (km/s) 14.357 km/s
    Conjunction Risk Parameters R (Radial): -1.199 | I (In-track): -0.434 | C (Cross-track): 1.455
    Collision Risk Index (CRI) 0.45
    X Position (km) -3270.638 -3270.863
    Position Y (km) 1933.755 1932.125
    Position Z (km) 6058.986 6057.969
    Velocity X (km/s) -4.13 6.301
    Velocity Y (km/s) 4.934 -1.281
    Velocity Z (km/s) -3.791 3.869

    Orbital Parameters 国际轨道数据源

    Parameter OSCAR 15 (UOSAT 4) FENGYUN 1C DEB
    Semimajor Axis (a) 7164.076 km 7231.922 km
    Eccentricity (e) 0.001090 0.012839
    Inclination (i) 98.7748° 98.5558°
    RAAN 314.7758° 160.8749°
    Perigee Argument 91.0117° 30.4998°
    Mean Anomaly (M) 296.0738° 330.3562°
    Apogee 793.745 km 946.634 km
    Perigee 778.133 km 760.936 km
    Orbit Epoch 2026-09-14T03:23:09+0000 2026-09-11T22:41:55+0000

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    OSCAR 15 (UOSAT 4)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OSCAR 15 (UOSAT 4)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OSCAR 15 (UOSAT 4)

    No nearby objects data