🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.66 AU - 0.76 AU

Year: 273 Days

Day: 19.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,463,858 km

• M1: 82,877 km (0.119 R)
• M2: 180,116 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.29 AU - 1.47 AU

Year: 740 Days

Day: 37.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 9.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.3 AU - 2.72 AU

Year: 1816 Days

Day: 9.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,463,858 km

• M1: 126,410 km (0.074 R)
• M2: 1,175,690 km (0.11 R)
• M3: 1,715,888 km (0.091 R)
• M4: 2,240,527 km (0.073 R)
• M5: 3,846,311 km (0.078 R)
• M6: 4,195,323 km (0.073 R)
• M7: 5,901,337 km (0.066 R)
• M8: 7,076,278 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 15

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.41 AU - 2.81 AU

Year: 1925 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,463,858 km

• M1: 190,288 km (0.118 R)
• M2: 480,508 km (0.073 R)
• M3: 915,240 km (0.118 R)
• M4: 1,272,479 km (0.088 R)
• M5: 1,571,077 km (0.118 R)
• M6: 2,505,316 km (0.118 R)
• M7: 2,794,937 km (0.101 R)
• M8: 3,274,697 km (0.073 R)
• M9: 3,679,060 km (0.106 R)
• M10: 4,017,451 km (0.119 R)
• M11: 4,371,549 km (0.073 R)
• M12: 5,264,199 km (0.053 R)
• M13: 6,167,771 km (0.111 R)
• M14: 6,983,827 km (0.062 R)
• M15: 7,809,458 km (0.106 R)
• M16: 10,719,585 km (0.034 R)
• M17: 12,004,631 km (0.115 R)
• M18: 13,447,353 km (0.038 R)
• M19: 14,042,004 km (0.066 R)
• M20: 14,532,984 km (0.095 R)
• M21: 14,855,218 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 11.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.58 AU - 5.12 AU

Year: 4142 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,463,858 km

• M1: 276,756 km (0.111 R)
• M2: 569,220 km (0.083 R)
• M3: 1,342,042 km (0.088 R)
• M4: 1,689,259 km (0.07 R)
• M5: 1,961,378 km (0.105 R)
• M6: 2,427,076 km (0.051 R)
• M7: 3,830,603 km (0.12 R)
• M8: 4,318,292 km (0.044 R)
• M9: 5,219,919 km (0.119 R)
• M10: 5,806,791 km (0.116 R)
• M11: 6,700,638 km (0.115 R)
• M12: 9,685,116 km (0.071 R)
• M13: 12,454,172 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 8.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.46 AU - 4.8 AU

Year: 4549 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,463,858 km

• M1: 116,238 km (0.095 R)
• M2: 275,709 km (0.114 R)
• M3: 517,309 km (0.095 R)
• M4: 770,429 km (0.099 R)
• M5: 944,561 km (0.12 R)
• M6: 2,727,768 km (0.037 R)
• M7: 2,923,442 km (0.097 R)
• M8: 3,519,140 km (0.049 R)
• M9: 4,320,387 km (0.11 R)
• M10: 5,435,339 km (0.118 R)
• M11: 5,909,116 km (0.077 R)
• M12: 6,448,865 km (0.054 R)
• M13: 9,340,592 km (0.062 R)
• M14: 9,903,678 km (0.076 R)
• M15: 10,483,370 km (0.083 R)
• M16: 12,482,746 km (0.097 R)
• M17: 17,311,017 km (0.111 R)
• M18: 18,465,613 km (0.1 R)
• M19: 19,416,158 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.3

Radius: 5.3

Gravity: 19.66 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 14.11 AU - 14.83 AU

Year: 25131 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,463,858 km

• M1: 95,593 km (0.109 R)
• M2: 793,916 km (0.1 R)
• M3: 1,394,851 km (0.072 R)
• M4: 5,635,950 km (0.089 R)
• M5: 10,685,477 km (0.119 R)
• M6: 11,901,707 km (0.092 R)
• M7: 12,026,921 km (0.111 R)
• M8: 12,922,114 km (0.061 R)
• M9: 13,916,940 km (0.087 R)
• M10: 16,018,192 km (0.108 R)
• M11: 18,345,187 km (0.038 R)
• M12: 22,089,921 km (0.117 R)
• M13: 22,346,332 km (0.117 R)
• M14: 26,276,417 km (0.12 R)
• M15: 27,976,148 km (0.074 R)
• M16: 31,739,731 km (0.032 R)
• M17: 37,608,456 km (0.104 R)
• M18: 38,054,706 km (0.106 R)
• M19: 47,533,826 km (0.112 R)
• M20: 48,792,842 km (0.092 R)
• M21: 52,012,487 km (0.079 R)
• M22: 56,147,970 km (0.118 R)
• M23: 64,165,220 km (0.108 R)
• M24: 71,946,254 km (0.073 R)
• M25: 81,314,371 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 11,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit