Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.872004E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T22:59:53+0800
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    1 Object 1

    AOE ID 2872
    NORAD ID 2872
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 31767
    NORAD ID 31767
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter SURCAL 159 FENGYUN 1C DEB
    Time of Closest Approach 2026-10-26T17:54:45+0000
    Collision Probability (Pc) 6.872004E-5
    Conjunction Distance (km) 0.724 km
    Relative Speed (km/s) 12.399 km/s
    Conjunction Risk Parameters R (Radial): 0.472 | I (In-track): -0.305 | C (Cross-track): 0.456
    Collision Risk Index (CRI) 0.72
    X Position (km) -2457.944 -2457.621
    Position Y (km) 423.55 423.784
    Position Z (km) 6830.919 6831.523
    Velocity X (km/s) -1.559 -5.559
    Velocity Y (km/s) -7.232 4.301
    Velocity Z (km/s) -0.109 -2.278

    Orbital Parameters 国际轨道数据源

    Parameter SURCAL 159 FENGYUN 1C DEB
    Semimajor Axis (a) 7273.220 km 7254.308 km
    Eccentricity (e) 0.000933 0.003997
    Inclination (i) 69.9733° 98.7899°
    RAAN 78.9521° 324.4340°
    Perigee Argument 296.1514° 259.7699°
    Mean Anomaly (M) 63.8633° 129.1448°
    Apogee 901.873 km 905.166 km
    Perigee 888.293 km 847.176 km
    Orbit Epoch 2026-10-26T02:02:35+0000 2026-10-26T00:26:45+0000

    SURCAL 159 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    SURCAL 159 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    SURCAL 159 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    SURCAL 159 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    SURCAL 159Miss 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

    SURCAL 159Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SURCAL 159

    No nearby objects data