Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.193744E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T07:28:26+0800
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    1 Object 1

    AOE ID 49927
    NORAD ID 49927
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68658
    NORAD ID 68658
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2499 DEB HULIANWANG DIGUI-166
    Time of Closest Approach 2026-10-28T17:48:08+0000
    Collision Probability (Pc) 3.193744E-6
    Conjunction Distance (km) 1.891 km
    Relative Speed (km/s) 13.945 km/s
    Conjunction Risk Parameters R (Radial): 1.24 | I (In-track): -0.44 | C (Cross-track): 1.359
    Collision Risk Index (CRI) 0.45
    X Position (km) 2493.428 2493.464
    Position Y (km) -492.856 -491.421
    Position Z (km) -7115.943 -7114.713
    Velocity X (km/s) -5.73 6.846
    Velocity Y (km/s) 4.031 -0.006
    Velocity Z (km/s) -2.071 2.4

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2499 DEB HULIANWANG DIGUI-166
    Semimajor Axis (a) 7655.148 km 7546.057 km
    Eccentricity (e) 0.031122 0.000210
    Inclination (i) 82.4784° 86.4983°
    RAAN 149.1169° 359.2252°
    Perigee Argument 323.9118° 111.8968°
    Mean Anomaly (M) 34.1334° 248.2390°
    Apogee 1515.258 km 1169.504 km
    Perigee 1038.764 km 1166.336 km
    Orbit Epoch 2026-10-25T19:56:15+0000 2026-10-27T05:53:44+0000

    COSMOS 2499 DEB & HULIANWANG DIGUI-166 Collision Probability (Pc) Trend

    COSMOS 2499 DEB & HULIANWANG DIGUI-166 Collision Probability (Pc) TrendNot Available

    COSMOS 2499 DEB & HULIANWANG DIGUI-166 Miss Distance (Miss Distance) Trend

    COSMOS 2499 DEB & HULIANWANG DIGUI-166 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2499 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-166Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2499 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-166Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2499 DEB

    No nearby objects data