Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.02768E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T04:59:53+0800
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    1 Object 1

    AOE ID 4512
    NORAD ID 4512
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 30408
    NORAD ID 30408
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 0203 (DMSP 5A F2) FENGYUN 1C DEB
    Time of Closest Approach 2026-09-04T21:08:14+0000
    Collision Probability (Pc) 6.02768E-7
    Conjunction Distance (km) 2.902 km
    Relative Speed (km/s) 3.188 km/s
    Conjunction Risk Parameters R (Radial): -0.203 | I (In-track): 2.827 | C (Cross-track): 0.625
    Collision Risk Index (CRI) 0.31
    X Position (km) -629.906 -627.422
    Position Y (km) 953.815 955.303
    Position Z (km) 7072.679 7072.494
    Velocity X (km/s) 7.025 5.38
    Velocity Y (km/s) 2.449 5.136
    Velocity Z (km/s) 0.255 -0.226

    Orbital Parameters 国际轨道数据源

    Parameter OPS 0203 (DMSP 5A F2) FENGYUN 1C DEB
    Semimajor Axis (a) 7147.988 km 7142.251 km
    Eccentricity (e) 0.006203 0.004341
    Inclination (i) 98.8859° 99.0184°
    RAAN 198.3189° 222.1790°
    Perigee Argument 212.3318° 258.8661°
    Mean Anomaly (M) 147.4059° 117.6702°
    Apogee 814.191 km 795.117 km
    Perigee 725.511 km 733.111 km
    Orbit Epoch 2026-09-04T07:21:12+0000 2026-09-03T04:43:07+0000

    OPS 0203 (DMSP 5A F2) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    OPS 0203 (DMSP 5A F2) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    OPS 0203 (DMSP 5A F2) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    OPS 0203 (DMSP 5A F2) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 0203 (DMSP 5A F2)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 0203 (DMSP 5A F2)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 0203 (DMSP 5A F2)

    No nearby objects data