Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.580217E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:31:56+0800
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    1 Object 1

    AOE ID 13480
    NORAD ID 13480
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 28054
    NORAD ID 28054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1275 DEB DMSP 5D-3 F16 (USA 172)
    Time of Closest Approach 2026-09-14T05:18:11+0000
    Collision Probability (Pc) 7.580217E-6
    Conjunction Distance (km) 1.447 km
    Relative Speed (km/s) 14.872 km/s
    Conjunction Risk Parameters R (Radial): -0.904 | I (In-track): -0.029 | C (Cross-track): 1.13
    Collision Risk Index (CRI) 0.53
    X Position (km) -147.269 -146.149
    Position Y (km) -4006.373 -4005.68
    Position Z (km) 6006.845 6006.248
    Velocity X (km/s) 1.423 -1.873
    Velocity Y (km/s) -6.099 6.003
    Velocity Z (km/s) -4.038 3.951

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1275 DEB DMSP 5D-3 F16 (USA 172)
    Semimajor Axis (a) 7272.990 km 7222.184 km
    Eccentricity (e) 0.006462 0.000599
    Inclination (i) 82.9592° 98.9865°
    RAAN 98.8578° 281.2699°
    Perigee Argument 137.3464° 253.5702°
    Mean Anomaly (M) 236.5080° 157.4765°
    Apogee 941.850 km 848.376 km
    Perigee 847.856 km 839.718 km
    Orbit Epoch 2026-09-13T20:12:15+0000 2026-09-13T20:47:06+0000

    COSMOS 1275 DEB & DMSP 5D-3 F16 (USA 172) Collision Probability (Pc) Trend

    COSMOS 1275 DEB & DMSP 5D-3 F16 (USA 172) Collision Probability (Pc) TrendNot Available

    COSMOS 1275 DEB & DMSP 5D-3 F16 (USA 172) Miss Distance (Miss Distance) Trend

    COSMOS 1275 DEB & DMSP 5D-3 F16 (USA 172) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1275 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-3 F16 (USA 172)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-3 F16 (USA 172)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1275 DEB

    No nearby objects data