Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.631087E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:20:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 29927
    NORAD ID 29927
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 31490
    NORAD ID 31490
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YAOGAN 2
    Time of Closest Approach 2026-10-28T10:57:16+0000
    Collision Probability (Pc) 3.631087E-6
    Conjunction Distance (km) 1.824 km
    Relative Speed (km/s) 14.559 km/s
    Conjunction Risk Parameters R (Radial): 1.518 | I (In-track): -0.279 | C (Cross-track): 0.972
    Collision Risk Index (CRI) 0.46
    X Position (km) 3969.149 3968.281
    Position Y (km) -105.262 -106.249
    Position Z (km) 5754.465 5753.201
    Velocity X (km/s) -6.021 5.958
    Velocity Y (km/s) -1.934 -2.067
    Velocity Z (km/s) 4.117 -4.156

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YAOGAN 2
    Semimajor Axis (a) 6990.108 km 6998.371 km
    Eccentricity (e) 0.001347 0.001977
    Inclination (i) 99.0620° 98.2427°
    RAAN 10.3939° 164.9239°
    Perigee Argument 285.8191° 204.6057°
    Mean Anomaly (M) 102.4277° 155.4214°
    Apogee 621.389 km 634.070 km
    Perigee 602.553 km 606.398 km
    Orbit Epoch 2026-10-27T04:06:50+0000 2026-10-27T02:00:31+0000

    FENGYUN 1C DEB & YAOGAN 2 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YAOGAN 2 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YAOGAN 2 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YAOGAN 2 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data