Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.847673E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:51:29+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name IRS 1D
    AOE ID 24971
    NORAD ID 24971
    Object Type PAYLOAD
    Country
    IN IN
    VS

    2 Object 2

    AOE ID 39654
    NORAD ID 39654
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRS 1D COSMOS 1867 COOLANT
    Time of Closest Approach 2026-09-18T03:46:34+0000
    Collision Probability (Pc) 1.847673E-6
    Conjunction Distance (km) 2.4 km
    Relative Speed (km/s) 14.181 km/s
    Conjunction Risk Parameters R (Radial): 0.439 | I (In-track): 0.744 | C (Cross-track): 2.239
    Collision Risk Index (CRI) 0.4
    X Position (km) 1687.374 1685.237
    Position Y (km) 3363.534 3363.566
    Position Z (km) -6079.027 -6080.119
    Velocity X (km/s) -0.779 -3.669
    Velocity Y (km/s) -6.42 6.069
    Velocity Z (km/s) -3.726 2.338

    Orbital Parameters 国际轨道数据源

    Parameter IRS 1D COSMOS 1867 COOLANT
    Semimajor Axis (a) 7151.403 km 7157.499 km
    Eccentricity (e) 0.005144 0.001948
    Inclination (i) 98.8506° 65.0053°
    RAAN 255.1732° 121.4941°
    Perigee Argument 323.3875° 280.4036°
    Mean Anomaly (M) 36.3798° 79.4854°
    Apogee 810.052 km 793.302 km
    Perigee 736.480 km 765.422 km
    Orbit Epoch 2026-09-15T11:05:39+0000 2026-09-14T21:25:03+0000

    IRS 1D & COSMOS 1867 COOLANT Collision Probability (Pc) Trend

    IRS 1D & COSMOS 1867 COOLANT Collision Probability (Pc) TrendNot Available

    IRS 1D & COSMOS 1867 COOLANT Miss Distance (Miss Distance) Trend

    IRS 1D & COSMOS 1867 COOLANT Miss Distance (Miss Distance) TrendNot Available

    IRS 1DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1867 COOLANTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRS 1DCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1867 COOLANTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRS 1D

    No nearby objects data