🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.5 AU - 0.74 AU

Year: 186 Days

Day: 23.7 Hours

Environment

Temp: 147 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.91 AU - 2.23 AU

Year: 1134 Days

Day: 46.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 10.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.15 AU - 6.59 AU

Year: 4739 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,445,137 km

• M1: 135,835 km (0.071 R)
• M2: 526,734 km (0.08 R)
• M3: 1,070,822 km (0.111 R)
• M4: 2,717,745 km (0.063 R)
• M5: 3,701,949 km (0.111 R)
• M6: 4,556,302 km (0.034 R)
• M7: 5,511,036 km (0.079 R)
• M8: 7,748,123 km (0.108 R)
• M9: 9,178,727 km (0.095 R)
• M10: 11,492,856 km (0.056 R)
• M11: 12,373,988 km (0.108 R)
• M12: 12,970,584 km (0.091 R)
• M13: 14,773,837 km (0.056 R)
• M14: 15,603,208 km (0.108 R)
• M15: 18,513,784 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 14

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.1 AU - 5.96 AU

Year: 4952 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,445,137 km

• M1: 175,478 km (0.028 R)
• M2: 712,235 km (0.105 R)
• M3: 1,175,241 km (0.106 R)
• M4: 1,773,932 km (0.073 R)
• M5: 2,224,969 km (0.117 R)
• M6: 2,687,077 km (0.107 R)
• M7: 3,158,310 km (0.105 R)
• M8: 3,623,560 km (0.11 R)
• M9: 4,767,834 km (0.071 R)
• M10: 5,464,810 km (0.028 R)
• M11: 6,378,105 km (0.053 R)
• M12: 7,457,603 km (0.118 R)
• M13: 8,254,661 km (0.065 R)
• M14: 9,457,428 km (0.043 R)
• M15: 9,978,178 km (0.026 R)
• M16: 10,433,853 km (0.086 R)
• M17: 11,431,671 km (0.065 R)
• M18: 12,539,742 km (0.079 R)
• M19: 20,609,500 km (0.061 R)
• M20: 22,601,246 km (0.067 R)
• M21: 23,389,328 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 9.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.23 AU - 7.67 AU

Year: 6238 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,445,137 km

• M1: 119,977 km (0.092 R)
• M2: 407,355 km (0.065 R)
• M3: 735,124 km (0.105 R)
• M4: 1,052,720 km (0.087 R)
• M5: 1,371,214 km (0.108 R)
• M6: 1,940,434 km (0.067 R)
• M7: 2,427,375 km (0.118 R)
• M8: 2,740,932 km (0.075 R)
• M9: 3,766,874 km (0.047 R)
• M10: 4,124,114 km (0.095 R)
• M11: 4,596,694 km (0.089 R)
• M12: 6,035,376 km (0.101 R)
• M13: 6,349,831 km (0.1 R)
• M14: 6,766,162 km (0.055 R)
• M15: 7,719,549 km (0.088 R)
• M16: 8,580,335 km (0.097 R)
• M17: 10,697,744 km (0.037 R)
• M18: 11,032,394 km (0.106 R)
• M19: 11,722,639 km (0.12 R)
• M20: 12,858,535 km (0.105 R)
• M21: 14,518,773 km (0.096 R)
• M22: 18,738,330 km (0.118 R)
• M23: 19,533,742 km (0.076 R)
• M24: 20,543,378 km (0.077 R)
• M25: 20,995,912 km (0.085 R)
• M26: 22,598,105 km (0.102 R)
• M27: 23,289,097 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 11.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.49 AU - 7.13 AU

Year: 6767 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,445,137 km

• M1: 144,512 km (0.105 R)
• M2: 665,711 km (0.1 R)
• M3: 1,305,989 km (0.071 R)
• M4: 3,327,954 km (0.085 R)
• M5: 3,773,008 km (0.109 R)
• M6: 5,966,113 km (0.096 R)
• M7: 8,329,460 km (0.074 R)
• M8: 9,455,782 km (0.04 R)
• M9: 9,897,844 km (0.072 R)
• M10: 11,805,815 km (0.089 R)
• M11: 14,991,352 km (0.079 R)
• M12: 15,715,705 km (0.066 R)
• M13: 16,653,534 km (0.117 R)
• M14: 17,694,735 km (0.108 R)
• M15: 19,549,450 km (0.092 R)
• M16: 21,834,856 km (0.057 R)
• M17: 22,844,193 km (0.044 R)
• M18: 24,047,259 km (0.119 R)
• M19: 24,789,115 km (0.106 R)
• M20: 31,186,519 km (0.05 R)
• M21: 32,366,547 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.9

Radius: 14.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8 AU - 12.88 AU

Year: 12845 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,445,137 km

• M1: 185,950 km (0.117 R)
• M2: 759,508 km (0.086 R)
• M3: 1,495,231 km (0.043 R)
• M4: 1,975,739 km (0.093 R)
• M5: 2,541,069 km (0.088 R)
• M6: 3,581,822 km (0.078 R)
• M7: 4,765,590 km (0.096 R)
• M8: 5,585,984 km (0.045 R)
• M9: 6,615,068 km (0.095 R)
• M10: 7,723,738 km (0.052 R)
• M11: 11,625,849 km (0.085 R)
• M12: 12,990,481 km (0.094 R)
• M13: 13,807,734 km (0.036 R)
• M14: 14,592,375 km (0.072 R)
• M15: 15,406,486 km (0.045 R)
• M16: 22,332,269 km (0.119 R)
• M17: 24,625,006 km (0.11 R)
• M18: 28,196,655 km (0.091 R)
• M19: 29,674,383 km (0.048 R)
• M20: 39,644,333 km (0.116 R)
• M21: 49,795,746 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.8

Radius: 5.4

Gravity: 16.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 12.73 AU - 20.21 AU

Year: 25453 Days

Day: 16 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,445,137 km

• M1: 123,269 km (0.039 R)
• M2: 381,026 km (0.085 R)
• M3: 752,627 km (0.084 R)
• M4: 1,514,529 km (0.111 R)
• M5: 2,215,395 km (0.08 R)
• M6: 3,249,864 km (0.097 R)
• M7: 3,507,771 km (0.113 R)
• M8: 4,467,591 km (0.056 R)
• M9: 5,007,938 km (0.095 R)
• M10: 7,811,552 km (0.073 R)
• M11: 9,370,511 km (0.114 R)
• M12: 9,600,743 km (0.091 R)
• M13: 13,232,530 km (0.098 R)
• M14: 13,449,447 km (0.073 R)
• M15: 17,861,537 km (0.098 R)
• M16: 24,754,857 km (0.045 R)
• M17: 51,562,048 km (0.118 R)
• M18: 55,030,325 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.9

Radius: 5.5

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 15.75 AU - 20.21 AU

Year: 29032 Days

Day: 20.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,445,137 km

• M1: 68,516 km (0.109 R)
• M2: 530,324 km (0.096 R)
• M3: 870,959 km (0.037 R)
• M4: 1,333,067 km (0.105 R)
• M5: 4,471,181 km (0.11 R)
• M6: 5,534,074 km (0.069 R)
• M7: 6,272,938 km (0.119 R)
• M8: 6,800,570 km (0.095 R)
• M9: 10,304,301 km (0.106 R)
• M10: 10,789,746 km (0.053 R)
• M11: 24,830,404 km (0.104 R)
• M12: 25,811,916 km (0.086 R)
• M13: 27,620,554 km (0.077 R)
• M14: 29,031,262 km (0.102 R)
• M15: 29,511,920 km (0.102 R)
• M16: 54,107,306 km (0.074 R)
• M17: 65,514,293 km (0.064 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 13,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit