Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.551692E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-12T14:14:37+0800
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    1 Object 1

    AOE ID 64587
    NORAD ID 64587
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 69888
    NORAD ID 69888
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDE-MS2-HEO-8 SPEAR-1B
    Time of Closest Approach 2026-11-13T02:31:11+0000
    Collision Probability (Pc) 1.551692E-6
    Conjunction Distance (km) 2.66 km
    Relative Speed (km/s) 14.326 km/s
    Conjunction Risk Parameters R (Radial): 2.141 | I (In-track): -0.515 | C (Cross-track): 1.492
    Collision Risk Index (CRI) 0.39
    X Position (km) 1780.433 1781.141
    Position Y (km) 2319.091 2317.423
    Position Z (km) 6319.191 6317.244
    Velocity X (km/s) -2.022 5.893
    Velocity Y (km/s) -6.643 3.679
    Velocity Z (km/s) 3.001 -3.002

    Orbital Parameters 国际轨道数据源

    Parameter IRIDE-MS2-HEO-8 SPEAR-1B
    Semimajor Axis (a) 6969.471 km 6970.683 km
    Eccentricity (e) 0.000097 0.000639
    Inclination (i) 97.7874° 97.7457°
    RAAN 68.5513° 213.5461°
    Perigee Argument 130.8409° 84.8087°
    Mean Anomaly (M) 229.2894° 275.3861°
    Apogee 592.008 km 597.004 km
    Perigee 590.660 km 588.088 km
    Orbit Epoch 2026-11-11T22:51:47+0000 2026-11-11T06:32:48+0000

    IRIDE-MS2-HEO-8 & SPEAR-1B Collision Probability (Pc) Trend

    IRIDE-MS2-HEO-8 & SPEAR-1B Collision Probability (Pc) TrendNot Available

    IRIDE-MS2-HEO-8 & SPEAR-1B Miss Distance (Miss Distance) Trend

    IRIDE-MS2-HEO-8 & SPEAR-1B Miss Distance (Miss Distance) TrendNot Available

    IRIDE-MS2-HEO-8Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPEAR-1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDE-MS2-HEO-8Collision Probability Trend

    Object 1 Probability TrendNot Available

    SPEAR-1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDE-MS2-HEO-8

    No nearby objects data