Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.568877E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T18:59:55+0800
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    1 Object 1

    AOE ID 29760
    NORAD ID 29760
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name NPP
    AOE ID 37849
    NORAD ID 37849
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB NPP
    Time of Closest Approach 2026-11-01T03:13:18+0000
    Collision Probability (Pc) 9.568877E-7
    Conjunction Distance (km) 2.822 km
    Relative Speed (km/s) 7.145 km/s
    Conjunction Risk Parameters R (Radial): 0.23 | I (In-track): 2.464 | C (Cross-track): 1.355
    Collision Risk Index (CRI) 0.35
    X Position (km) 1253.509 1253.753
    Position Y (km) 89.311 86.509
    Position Z (km) -7101.455 -7101.681
    Velocity X (km/s) 3.978 -3.024
    Velocity Y (km/s) -6.251 -6.753
    Velocity Z (km/s) 0.714 -0.616

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB NPP
    Semimajor Axis (a) 7242.713 km 7205.041 km
    Eccentricity (e) 0.013029 0.000106
    Inclination (i) 98.7718° 98.8088°
    RAAN 301.1974° 242.9864°
    Perigee Argument 347.8412° 334.8881°
    Mean Anomaly (M) 11.9623° 25.2244°
    Apogee 958.942 km 827.665 km
    Perigee 770.210 km 826.143 km
    Orbit Epoch 2026-10-29T22:45:54+0000 2026-10-29T23:13:37+0000

    FENGYUN 1C DEB & NPP Collision Probability (Pc) Trend

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

    FENGYUN 1C DEB & NPP Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & NPP Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NPPMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NPPCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data