Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.661003E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T16:01:51+0800
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    1 Object 1

    AOE ID 5277
    NORAD ID 5277
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter COSMOS 397 DEB SPEAR-1B
    Time of Closest Approach 2026-10-30T15:44:10+0000
    Collision Probability (Pc) 1.661003E-6
    Conjunction Distance (km) 2.493 km
    Relative Speed (km/s) 13.365 km/s
    Conjunction Risk Parameters R (Radial): 1.832 | I (In-track): 0.785 | C (Cross-track): 1.498
    Collision Risk Index (CRI) 0.39
    X Position (km) -2269.003 -2269.844
    Position Y (km) -1852.237 -1854.303
    Position Z (km) -6336.212 -6337.325
    Velocity X (km/s) 5.9 -6.555
    Velocity Y (km/s) -5.133 -2.226
    Velocity Z (km/s) -0.878 3

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB SPEAR-1B
    Semimajor Axis (a) 7635.354 km 6970.874 km
    Eccentricity (e) 0.091789 0.000601
    Inclination (i) 65.7348° 97.7458°
    RAAN 324.5594° 200.9569°
    Perigee Argument 244.0437° 116.5975°
    Mean Anomaly (M) 106.3272° 243.5860°
    Apogee 1958.057 km 596.924 km
    Perigee 556.377 km 588.550 km
    Orbit Epoch 2026-10-29T10:40:50+0000 2026-10-29T11:03:17+0000

    COSMOS 397 DEB & SPEAR-1B Collision Probability (Pc) Trend

    COSMOS 397 DEB & SPEAR-1B Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & SPEAR-1B Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & SPEAR-1B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPEAR-1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPEAR-1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data