Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.427868E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T08:54:30+0800
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    1 Object 1

    AOE ID 35650
    NORAD ID 35650
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58199
    NORAD ID 58199
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB TIANHUI 5A
    Time of Closest Approach 2026-09-08T10:19:01+0000
    Collision Probability (Pc) 9.427868E-7
    Conjunction Distance (km) 2.942 km
    Relative Speed (km/s) 7.631 km/s
    Conjunction Risk Parameters R (Radial): -2.777 | I (In-track): 0.84 | C (Cross-track): -0.482
    Collision Risk Index (CRI) 0.34
    X Position (km) -1442.789 -1443.951
    Position Y (km) -2509.258 -2510.917
    Position Z (km) 6344.338 6346.47
    Velocity X (km/s) 6.909 1.091
    Velocity Y (km/s) 1.971 6.868
    Velocity Z (km/s) 2.336 2.959

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB TIANHUI 5A
    Semimajor Axis (a) 6972.562 km 6983.640 km
    Eccentricity (e) 0.001644 0.000154
    Inclination (i) 74.0416° 97.8215°
    RAAN 207.4071° 254.7639°
    Perigee Argument 210.6454° 87.5816°
    Mean Anomaly (M) 303.6889° 272.5577°
    Apogee 605.890 km 606.580 km
    Perigee 582.960 km 604.426 km
    Orbit Epoch 2026-09-05T08:37:12+0000 2026-09-05T12:36:05+0000

    COSMOS 2251 DEB & TIANHUI 5A Collision Probability (Pc) Trend

    COSMOS 2251 DEB & TIANHUI 5A Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & TIANHUI 5A Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & TIANHUI 5A Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANHUI 5AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANHUI 5ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data