🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.08 AU - 1.43 AU

Year: 505 Days

Day: 40.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.11 AU - 2.21 AU

Year: 1148 Days

Day: 35.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.29 AU - 2.69 AU

Year: 1421 Days

Day: 33.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,035,140 km

• M1: 1,821,504 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.95 AU - 3.39 AU

Year: 2041 Days

Day: 37.7 Hours

Environment

Temp: -98 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 9.2

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.07 AU - 7.53 AU

Year: 5719 Days

Day: 13.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,035,140 km

• M1: 114,442 km (0.092 R)
• M2: 455,675 km (0.101 R)
• M3: 848,669 km (0.11 R)
• M4: 1,223,561 km (0.086 R)
• M5: 1,583,643 km (0.085 R)
• M6: 2,149,273 km (0.094 R)
• M7: 2,694,108 km (0.108 R)
• M8: 4,359,581 km (0.104 R)
• M9: 4,826,925 km (0.094 R)
• M10: 5,350,966 km (0.111 R)
• M11: 6,220,579 km (0.078 R)
• M12: 6,925,633 km (0.099 R)
• M13: 8,270,219 km (0.1 R)
• M14: 9,852,366 km (0.118 R)
• M15: 10,847,641 km (0.053 R)
• M16: 11,626,896 km (0.048 R)
• M17: 12,526,877 km (0.087 R)
• M18: 15,026,358 km (0.102 R)
• M19: 16,143,106 km (0.068 R)
• M20: 16,594,742 km (0.094 R)
• M21: 17,681,571 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 10.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.13 AU - 6.81 AU

Year: 5952 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,035,140 km

• M1: 135,536 km (0.059 R)
• M2: 1,031,627 km (0.098 R)
• M3: 1,578,856 km (0.107 R)
• M4: 2,125,487 km (0.081 R)
• M5: 2,477,790 km (0.085 R)
• M6: 3,556,689 km (0.067 R)
• M7: 4,178,119 km (0.061 R)
• M8: 6,288,496 km (0.077 R)
• M9: 6,682,537 km (0.098 R)
• M10: 7,023,470 km (0.049 R)
• M11: 9,029,279 km (0.115 R)
• M12: 11,928,336 km (0.104 R)
• M13: 13,001,401 km (0.11 R)
• M14: 13,534,419 km (0.062 R)
• M15: 19,975,355 km (0.098 R)
• M16: 25,305,228 km (0.071 R)
• M17: 27,505,065 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 9.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.82 AU - 10.76 AU

Year: 9425 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,035,140 km

• M1: 119,529 km (0.052 R)
• M2: 434,133 km (0.112 R)
• M3: 1,024,745 km (0.1 R)
• M4: 2,603,601 km (0.072 R)
• M5: 3,310,451 km (0.085 R)
• M6: 3,741,443 km (0.112 R)
• M7: 4,641,274 km (0.101 R)
• M8: 5,822,648 km (0.12 R)
• M9: 8,503,592 km (0.113 R)
• M10: 11,543,570 km (0.088 R)
• M11: 13,433,290 km (0.088 R)
• M12: 15,974,210 km (0.096 R)
• M13: 18,250,192 km (0.099 R)
• M14: 19,926,736 km (0.103 R)
• M15: 22,848,083 km (0.068 R)
• M16: 26,846,086 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.2

Radius: 8.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 11.33 AU - 13.19 AU

Year: 15525 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,035,140 km

• M1: 108,758 km (0.11 R)
• M2: 443,558 km (0.055 R)
• M3: 800,349 km (0.113 R)
• M4: 2,167,972 km (0.104 R)
• M5: 2,861,658 km (0.09 R)
• M6: 3,365,653 km (0.091 R)
• M7: 4,453,529 km (0.056 R)
• M8: 4,750,480 km (0.099 R)
• M9: 5,645,524 km (0.057 R)
• M10: 6,193,651 km (0.074 R)
• M11: 6,950,018 km (0.08 R)
• M12: 7,533,599 km (0.114 R)
• M13: 9,643,976 km (0.069 R)
• M14: 9,974,737 km (0.092 R)
• M15: 10,256,131 km (0.11 R)
• M16: 10,893,717 km (0.112 R)
• M17: 13,233,876 km (0.048 R)
• M18: 13,850,070 km (0.065 R)
• M19: 18,039,259 km (0.093 R)
• M20: 18,626,730 km (0.068 R)
• M21: 20,195,713 km (0.107 R)
• M22: 24,297,387 km (0.114 R)
• M23: 26,274,622 km (0.088 R)
• M24: 28,020,878 km (0.089 R)
• M25: 28,695,265 km (0.101 R)
• M26: 30,783,352 km (0.059 R)
• M27: 33,596,241 km (0.061 R)
• M28: 34,613,507 km (0.116 R)
• M29: 41,008,666 km (0.115 R)
• M30: 45,786,672 km (0.08 R)
• M31: 49,441,348 km (0.095 R)
• M32: 51,089,318 km (0.064 R)
• M33: 52,773,641 km (0.083 R)
• M34: 53,457,602 km (0.117 R)
• M35: 55,369,014 km (0.042 R)
• M36: 55,721,317 km (0.077 R)
• M37: 57,685,986 km (0.097 R)
• M38: 62,894,834 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.3

Radius: 3.9

Gravity: 20.01 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 16.55 AU - 19.47 AU

Year: 27641 Days

Day: 24.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,035,140 km

• M1: 48,619 km (0.099 R)
• M2: 258,954 km (0.106 R)
• M3: 1,081,443 km (0.065 R)
• M4: 1,228,199 km (0.093 R)
• M5: 1,358,049 km (0.052 R)
• M6: 3,082,315 km (0.12 R)
• M7: 3,215,008 km (0.038 R)
• M8: 6,392,018 km (0.118 R)
• M9: 7,009,857 km (0.099 R)
• M10: 7,427,385 km (0.106 R)
• M11: 9,881,239 km (0.091 R)
• M12: 12,156,473 km (0.102 R)
• M13: 13,591,565 km (0.1 R)
• M14: 25,272,765 km (0.106 R)
• M15: 26,582,943 km (0.079 R)
• M16: 28,515,449 km (0.116 R)
• M17: 29,337,638 km (0.029 R)
• M18: 29,934,534 km (0.064 R)
• M19: 32,024,566 km (0.101 R)
• M20: 35,271,887 km (0.112 R)
• M21: 36,082,558 km (0.118 R)
• M22: 41,060,876 km (0.093 R)
• M23: 43,020,757 km (0.09 R)
• M24: 43,327,732 km (0.101 R)
• M25: 44,257,333 km (0.04 R)
• M26: 53,938,709 km (0.116 R)
• M27: 54,653,936 km (0.074 R)
• M28: 60,030,484 km (0.074 R)
• M29: 60,991,650 km (0.101 R)
• M30: 66,360,269 km (0.106 R)
• M31: 67,801,794 km (0.08 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 11,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit