Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.709492E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T05:41:37+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 24907
    NORAD ID 24907
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 41304
    NORAD ID 41304
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 22 NOAA 16 DEB
    Time of Closest Approach 2026-09-11T00:47:56+0000
    Collision Probability (Pc) 4.709492E-6
    Conjunction Distance (km) 1.658 km
    Relative Speed (km/s) 14.045 km/s
    Conjunction Risk Parameters R (Radial): 0.778 | I (In-track): 0.497 | C (Cross-track): -1.376
    Collision Risk Index (CRI) 0.48
    X Position (km) -751.832 -750.466
    Position Y (km) 1086.546 1086.548
    Position Z (km) -7034.905 -7035.842
    Velocity X (km/s) 1.827 3.102
    Velocity Y (km/s) -7.107 6.732
    Velocity Z (km/s) -1.293 0.731

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 22 NOAA 16 DEB
    Semimajor Axis (a) 7148.918 km 7144.457 km
    Eccentricity (e) 0.000219 0.003134
    Inclination (i) 86.3916° 99.0833°
    RAAN 285.2754° 64.7822°
    Perigee Argument 88.2274° 27.6544°
    Mean Anomaly (M) 271.9174° 332.6300°
    Apogee 772.348 km 788.712 km
    Perigee 769.214 km 743.928 km
    Orbit Epoch 2026-09-10T11:53:18+0000 2026-09-09T17:27:15+0000

    IRIDIUM 22 & NOAA 16 DEB Collision Probability (Pc) Trend

    IRIDIUM 22 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 22 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 22 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 22Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 22Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 22

    No nearby objects data