Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.928941E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:30:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 22827
    NORAD ID 22827
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 41925
    NORAD ID 41925
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HEALTHSAT 1 IRIDIUM 112
    Time of Closest Approach 2026-09-12T13:44:33+0000
    Collision Probability (Pc) 4.928941E-6
    Conjunction Distance (km) 1.533 km
    Relative Speed (km/s) 10.433 km/s
    Conjunction Risk Parameters R (Radial): 0.942 | I (In-track): -0.861 | C (Cross-track): 0.85
    Collision Risk Index (CRI) 0.49
    X Position (km) -1021.684 -1022.735
    Position Y (km) -578.594 -578.666
    Position Z (km) 7050.819 7049.706
    Velocity X (km/s) -5.96 -4.514
    Velocity Y (km/s) 4.473 -5.839
    Velocity Z (km/s) -0.499 -1.132

    Orbital Parameters 国际轨道数据源

    Parameter HEALTHSAT 1 IRIDIUM 112
    Semimajor Axis (a) 7161.279 km 7155.807 km
    Eccentricity (e) 0.000970 0.000217
    Inclination (i) 98.6335° 86.3929°
    RAAN 321.0624° 52.5925°
    Perigee Argument 133.0761° 92.7675°
    Mean Anomaly (M) 41.9375° 267.3769°
    Apogee 790.090 km 779.224 km
    Perigee 776.194 km 776.116 km
    Orbit Epoch 2026-09-09T22:25:20+0000 2026-09-10T12:43:30+0000

    HEALTHSAT 1 & IRIDIUM 112 Collision Probability (Pc) Trend

    HEALTHSAT 1 & IRIDIUM 112 Collision Probability (Pc) TrendNot Available

    HEALTHSAT 1 & IRIDIUM 112 Miss Distance (Miss Distance) Trend

    HEALTHSAT 1 & IRIDIUM 112 Miss Distance (Miss Distance) TrendNot Available

    HEALTHSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 112Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HEALTHSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 112Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HEALTHSAT 1

    No nearby objects data