Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.299283E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:21:13+0800
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    1 Object 1

    AOE ID 34976
    NORAD ID 34976
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name STARK
    AOE ID 65299
    NORAD ID 65299
    Object Type PAYLOAD
    Country
    RW RW

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARK
    Time of Closest Approach 2026-10-22T20:48:52+0000
    Collision Probability (Pc) 1.299283E-6
    Conjunction Distance (km) 2.102 km
    Relative Speed (km/s) 4.947 km/s
    Conjunction Risk Parameters R (Radial): 1.781 | I (In-track): -1.051 | C (Cross-track): -0.374
    Collision Risk Index (CRI) 0.37
    X Position (km) 3893.71 3894.005
    Position Y (km) 2137.008 2137.035
    Position Z (km) -5410.89 -5412.97
    Velocity X (km/s) 3.018 5.773
    Velocity Y (km/s) 5.384 1.29
    Velocity Z (km/s) 4.34 4.673

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARK
    Semimajor Axis (a) 7005.704 km 6995.297 km
    Eccentricity (e) 0.004405 0.000863
    Inclination (i) 74.0541° 97.9653°
    RAAN 54.6468° 16.3193°
    Perigee Argument 20.5428° 47.1906°
    Mean Anomaly (M) 151.9468° 313.0031°
    Apogee 658.424 km 623.196 km
    Perigee 596.710 km 611.124 km
    Orbit Epoch 2026-10-20T01:43:11+0000 2026-10-20T05:55:43+0000

    COSMOS 2251 DEB & STARK Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARK Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARK Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARK Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARKMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARKCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data