🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.74 AU

Year: 192 Days

Day: 14.4 Hours

Environment

Temp: 169 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.4 AU - 3.4 AU

Year: 1813 Days

Day: 18.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 10.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.82 AU - 5.94 AU

Year: 5234 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 109,514,521 km

• M1: 129,552 km (0.093 R)
• M2: 488,287 km (0.095 R)
• M3: 1,275,771 km (0.088 R)
• M4: 1,675,945 km (0.07 R)
• M5: 2,037,972 km (0.081 R)
• M6: 3,584,515 km (0.07 R)
• M7: 4,143,711 km (0.08 R)
• M8: 5,407,664 km (0.12 R)
• M9: 6,808,648 km (0.101 R)
• M10: 9,908,465 km (0.083 R)
• M11: 10,495,936 km (0.086 R)
• M12: 11,250,807 km (0.111 R)
• M13: 13,568,078 km (0.116 R)
• M14: 16,811,659 km (0.104 R)
• M15: 17,647,762 km (0.059 R)
• M16: 19,056,674 km (0.082 R)
• M17: 20,684,299 km (0.098 R)
• M18: 22,479,324 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 14.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.76 AU - 7.72 AU

Year: 6423 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 109,514,521 km

• M1: 180,864 km (0.107 R)
• M2: 633,846 km (0.025 R)
• M3: 1,576,014 km (0.067 R)
• M4: 2,107,984 km (0.072 R)
• M5: 2,742,578 km (0.057 R)
• M6: 3,234,755 km (0.11 R)
• M7: 3,764,032 km (0.086 R)
• M8: 4,654,289 km (0.11 R)
• M9: 5,389,413 km (0.099 R)
• M10: 7,373,081 km (0.05 R)
• M11: 7,881,414 km (0.045 R)
• M12: 8,847,816 km (0.114 R)
• M13: 9,676,738 km (0.077 R)
• M14: 10,877,261 km (0.109 R)
• M15: 16,139,217 km (0.027 R)
• M16: 18,744,763 km (0.064 R)
• M17: 19,695,457 km (0.115 R)
• M18: 23,354,920 km (0.09 R)
• M19: 27,101,898 km (0.09 R)
• M20: 28,760,340 km (0.094 R)
• M21: 30,025,041 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.8

Radius: 10.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.04 AU - 9.76 AU

Year: 8937 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 109,514,521 km

• M1: 149,747 km (0.065 R)
• M2: 917,035 km (0.103 R)
• M3: 4,205,944 km (0.102 R)
• M4: 5,787,642 km (0.083 R)
• M5: 6,777,532 km (0.105 R)
• M6: 8,932,040 km (0.104 R)
• M7: 9,412,249 km (0.071 R)
• M8: 12,664,357 km (0.101 R)
• M9: 15,433,863 km (0.051 R)
• M10: 17,141,971 km (0.106 R)
• M11: 17,510,580 km (0.037 R)
• M12: 18,712,749 km (0.05 R)
• M13: 20,104,607 km (0.062 R)
• M14: 21,493,175 km (0.114 R)
• M15: 25,880,581 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 10.7

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.61 AU - 12.13 AU

Year: 12259 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 109,514,521 km

• M1: 138,677 km (0.065 R)
• M2: 559,646 km (0.108 R)
• M3: 1,234,182 km (0.105 R)
• M4: 2,273,738 km (0.055 R)
• M5: 3,284,720 km (0.076 R)
• M6: 4,291,065 km (0.112 R)
• M7: 5,207,203 km (0.109 R)
• M8: 5,564,442 km (0.098 R)
• M9: 6,170,164 km (0.111 R)
• M10: 7,603,611 km (0.108 R)
• M11: 9,403,273 km (0.081 R)
• M12: 11,058,275 km (0.108 R)
• M13: 11,530,705 km (0.077 R)
• M14: 14,373,812 km (0.071 R)
• M15: 16,484,788 km (0.117 R)
• M16: 17,337,047 km (0.112 R)
• M17: 21,042,287 km (0.118 R)
• M18: 21,952,590 km (0.076 R)
• M19: 24,941,705 km (0.105 R)
• M20: 26,796,419 km (0.065 R)
• M21: 32,668,884 km (0.087 R)
• M22: 33,397,276 km (0.076 R)
• M23: 34,510,134 km (0.108 R)
• M24: 35,775,433 km (0.115 R)
• M25: 52,789,199 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106

Radius: 7.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 14.68 AU - 22.3 AU

Year: 29186 Days

Day: 16.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 109,514,521 km

• M1: 102,026 km (0.11 R)
• M2: 399,426 km (0.108 R)
• M3: 718,369 km (0.027 R)
• M4: 978,968 km (0.044 R)
• M5: 1,277,566 km (0.081 R)
• M6: 1,547,889 km (0.054 R)
• M7: 2,318,617 km (0.066 R)
• M8: 2,556,628 km (0.112 R)
• M9: 3,678,013 km (0.076 R)
• M10: 4,003,389 km (0.103 R)
• M11: 4,436,923 km (0.078 R)
• M12: 10,918,999 km (0.111 R)
• M13: 17,249,682 km (0.107 R)
• M14: 17,930,950 km (0.113 R)
• M15: 23,485,968 km (0.062 R)
• M16: 24,322,669 km (0.096 R)
• M17: 26,451,297 km (0.105 R)
• M18: 27,255,236 km (0.101 R)
• M19: 30,306,135 km (0.03 R)
• M20: 33,228,529 km (0.106 R)
• M21: 47,531,432 km (0.088 R)
• M22: 48,271,194 km (0.079 R)
• M23: 51,773,130 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.9

Radius: 6.6

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 18.23 AU - 20.27 AU

Year: 31004 Days

Day: 18.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 109,514,521 km

• M1: 82,129 km (0.067 R)
• M2: 466,446 km (0.119 R)
• M3: 774,917 km (0.084 R)
• M4: 1,379,143 km (0.056 R)
• M5: 2,433,209 km (0.038 R)
• M6: 4,936,730 km (0.068 R)
• M7: 5,145,269 km (0.106 R)
• M8: 5,491,439 km (0.102 R)
• M9: 8,131,991 km (0.094 R)
• M10: 9,152,099 km (0.096 R)
• M11: 10,595,419 km (0.089 R)
• M12: 12,489,477 km (0.115 R)
• M13: 13,679,229 km (0.081 R)
• M14: 14,175,595 km (0.044 R)
• M15: 16,190,379 km (0.081 R)
• M16: 18,688,963 km (0.075 R)
• M17: 19,714,905 km (0.09 R)
• M18: 24,677,665 km (0.102 R)
• M19: 26,543,300 km (0.104 R)
• M20: 28,234,653 km (0.111 R)
• M21: 29,174,427 km (0.051 R)
• M22: 30,693,145 km (0.086 R)
• M23: 33,142,959 km (0.092 R)
• M24: 33,588,312 km (0.076 R)
• M25: 37,617,432 km (0.047 R)
• M26: 44,247,161 km (0.077 R)
• M27: 49,074,684 km (0.063 R)
• M28: 49,459,898 km (0.041 R)
• M29: 50,236,461 km (0.092 R)
• M30: 53,627,845 km (0.118 R)
• M31: 57,381,704 km (0.091 R)
• M32: 76,193,038 km (0.112 R)
• M33: 90,396,009 km (0.089 R)
• M34: 92,433,084 km (0.111 R)
• M35: 102,136,001 km (0.098 R)
• M36: 106,586,389 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 17,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit