🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.24 AU - 1.82 AU

Year: 678 Days

Day: 34.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.44 AU - 2.3 AU

Year: 916 Days

Day: 40.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.67 AU - 2.29 AU

Year: 998 Days

Day: 34.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,215,797 km

• M1: 848,669 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.13 AU - 4.61 AU

Year: 2727 Days

Day: 16.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,215,797 km

• M1: 64,776 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 13.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.47 AU - 9.09 AU

Year: 7035 Days

Day: 11.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,215,797 km

• M1: 170,392 km (0.063 R)
• M2: 707,897 km (0.057 R)
• M3: 1,204,861 km (0.072 R)
• M4: 1,840,951 km (0.103 R)
• M5: 3,824,170 km (0.1 R)
• M6: 5,824,443 km (0.058 R)
• M7: 6,752,100 km (0.059 R)
• M8: 7,930,482 km (0.115 R)
• M9: 9,198,773 km (0.107 R)
• M10: 11,624,054 km (0.086 R)
• M11: 12,502,044 km (0.077 R)
• M12: 15,463,932 km (0.12 R)
• M13: 17,904,920 km (0.117 R)
• M14: 18,449,905 km (0.096 R)
• M15: 21,724,304 km (0.078 R)
• M16: 27,200,483 km (0.045 R)
• M17: 27,739,784 km (0.083 R)
• M18: 28,562,273 km (0.048 R)
• M19: 34,781,804 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.5

Radius: 10.7

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 10.44 AU - 12.18 AU

Year: 13623 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,215,797 km

• M1: 134,189 km (0.078 R)
• M2: 526,585 km (0.086 R)
• M3: 1,175,690 km (0.106 R)
• M4: 1,810,882 km (0.065 R)
• M5: 2,889,782 km (0.036 R)
• M6: 9,595,806 km (0.088 R)
• M7: 11,947,036 km (0.096 R)
• M8: 12,510,421 km (0.094 R)
• M9: 13,690,599 km (0.086 R)
• M10: 14,517,576 km (0.037 R)
• M11: 21,448,146 km (0.091 R)
• M12: 25,828,820 km (0.113 R)
• M13: 30,655,745 km (0.072 R)
• M14: 32,792,751 km (0.084 R)
• M15: 34,900,585 km (0.056 R)
• M16: 40,772,750 km (0.092 R)
• M17: 52,078,160 km (0.107 R)
• M18: 58,800,640 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.8

Radius: 3.4

Gravity: 53.53 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 13.78 AU - 18.88 AU

Year: 23635 Days

Day: 15.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,215,797 km

• M1: 73,004 km (0.093 R)
• M2: 431,889 km (0.101 R)
• M3: 1,373,009 km (0.091 R)
• M4: 1,659,639 km (0.083 R)
• M5: 2,889,333 km (0.085 R)
• M6: 3,940,408 km (0.094 R)
• M7: 5,262,105 km (0.078 R)
• M8: 6,305,999 km (0.109 R)
• M9: 7,042,170 km (0.045 R)
• M10: 10,499,975 km (0.103 R)
• M11: 11,932,973 km (0.089 R)
• M12: 12,414,978 km (0.075 R)
• M13: 13,271,276 km (0.115 R)
• M14: 20,687,590 km (0.117 R)
• M15: 24,867,804 km (0.086 R)
• M16: 29,081,826 km (0.11 R)
• M17: 29,577,593 km (0.071 R)
• M18: 32,404,844 km (0.035 R)
• M19: 37,411,286 km (0.063 R)
• M20: 37,557,144 km (0.1 R)
• M21: 39,338,555 km (0.116 R)
• M22: 44,199,738 km (0.035 R)
• M23: 44,526,310 km (0.096 R)
• M24: 44,854,678 km (0.095 R)
• M25: 49,270,508 km (0.08 R)
• M26: 49,797,990 km (0.099 R)
• M27: 50,151,639 km (0.069 R)
• M28: 50,864,174 km (0.112 R)
• M29: 51,043,242 km (0.055 R)
• M30: 60,749,003 km (0.056 R)
• M31: 63,613,353 km (0.112 R)
• M32: 65,078,814 km (0.116 R)
• M33: 69,830,491 km (0.093 R)
• M34: 75,737,812 km (0.12 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 13,291 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit