Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.904955E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:07:36+0800
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    1 Object 1

    Name IRAS
    AOE ID 13777
    NORAD ID 13777
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 22613
    NORAD ID 22613
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRAS SL-16 DEB
    Time of Closest Approach 2026-09-13T18:46:10+0000
    Collision Probability (Pc) 6.904955E-7
    Conjunction Distance (km) 2.792 km
    Relative Speed (km/s) 3.809 km/s
    Conjunction Risk Parameters R (Radial): 2.758 | I (In-track): 0.397 | C (Cross-track): -0.177
    Collision Risk Index (CRI) 0.32
    X Position (km) 1090.905 1091.233
    Position Y (km) 6791.44 6794.167
    Position Z (km) -2371.434 -2371.935
    Velocity X (km/s) 1.592 -2.186
    Velocity Y (km/s) 2.134 2.535
    Velocity Z (km/s) 6.904 6.642

    Orbital Parameters 国际轨道数据源

    Parameter IRAS SL-16 DEB
    Semimajor Axis (a) 7268.513 km 7350.296 km
    Eccentricity (e) 0.001959 0.019259
    Inclination (i) 99.0706° 70.9982°
    RAAN 74.8851° 93.9712°
    Perigee Argument 88.1664° 42.8579°
    Mean Anomaly (M) 272.1745° 18.7167°
    Apogee 904.619 km 1113.720 km
    Perigee 876.133 km 830.598 km
    Orbit Epoch 2026-09-10T22:18:03+0000 2026-09-10T14:28:57+0000

    IRAS & SL-16 DEB Collision Probability (Pc) Trend

    IRAS & SL-16 DEB Collision Probability (Pc) TrendNot Available

    IRAS & SL-16 DEB Miss Distance (Miss Distance) Trend

    IRAS & SL-16 DEB Miss Distance (Miss Distance) TrendNot Available

    IRASMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRASCollision Probability Trend

    Object 1 Probability TrendNot Available

    SL-16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRAS

    No nearby objects data