🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.46 AU - 0.64 AU

Year: 143 Days

Day: 19.1 Hours

Environment

Temp: 257 °C

Axial Tilt: 41.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,491,327 km

• M1: 55,650 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.69 AU - 0.95 AU

Year: 261 Days

Day: 42.9 Hours

Environment

Temp: 133 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.87 AU - 1.21 AU

Year: 373 Days

Day: 18.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.13 AU - 1.21 AU

Year: 445 Days

Day: 34 Hours

Environment

Temp: 19 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.58 AU - 2.06 AU

Year: 863 Days

Day: 42.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,491,327 km

• M1: 116,537 km (0.11 R)
• M2: 188,194 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.24 AU - 2.58 AU

Year: 1315 Days

Day: 38.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.41 AU - 2.49 AU

Year: 1348 Days

Day: 15.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 14.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.97 AU - 9.41 AU

Year: 9792 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,491,327 km

• M1: 181,313 km (0.111 R)
• M2: 800,199 km (0.059 R)
• M3: 1,590,973 km (0.106 R)
• M4: 2,486,915 km (0.082 R)
• M5: 3,289,508 km (0.079 R)
• M6: 6,240,176 km (0.027 R)
• M7: 9,003,697 km (0.114 R)
• M8: 11,817,484 km (0.05 R)
• M9: 12,790,169 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.6

Radius: 4.7

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 16.77 AU - 17.63 AU

Year: 25071 Days

Day: 18.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,491,327 km

• M1: 74,949 km (0.096 R)
• M2: 246,537 km (0.115 R)
• M3: 408,253 km (0.084 R)
• M4: 652,097 km (0.084 R)
• M5: 988,842 km (0.084 R)
• M6: 1,563,747 km (0.094 R)
• M7: 1,737,280 km (0.081 R)
• M8: 2,123,243 km (0.029 R)
• M9: 3,064,213 km (0.101 R)
• M10: 3,777,197 km (0.036 R)
• M11: 4,027,025 km (0.064 R)
• M12: 4,560,042 km (0.094 R)
• M13: 5,603,787 km (0.106 R)
• M14: 5,805,594 km (0.109 R)
• M15: 7,262,079 km (0.095 R)
• M16: 8,358,332 km (0.116 R)
• M17: 9,000,556 km (0.092 R)
• M18: 9,503,504 km (0.091 R)
• M19: 10,998,585 km (0.099 R)
• M20: 11,967,082 km (0.081 R)
• M21: 13,202,910 km (0.075 R)
• M22: 13,705,559 km (0.078 R)
• M23: 16,330,403 km (0.051 R)
• M24: 17,502,203 km (0.109 R)
• M25: 17,933,942 km (0.115 R)
• M26: 19,089,735 km (0.056 R)
• M27: 19,271,796 km (0.114 R)
• M28: 20,294,298 km (0.089 R)
• M29: 21,157,328 km (0.077 R)
• M30: 21,746,145 km (0.09 R)
• M31: 27,777,931 km (0.054 R)
• M32: 28,721,445 km (0.085 R)
• M33: 32,192,265 km (0.095 R)
• M34: 33,232,868 km (0.087 R)
• M35: 35,656,054 km (0.094 R)
• M36: 42,688,500 km (0.057 R)
• M37: 43,785,502 km (0.117 R)
• M38: 45,385,152 km (0.041 R)
• M39: 53,607,948 km (0.083 R)
• M40: 56,930,666 km (0.042 R)
• M41: 66,875,933 km (0.111 R)
• M42: 73,365,638 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.7

Radius: 7.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 16.35 AU - 20.03 AU

Year: 27266 Days

Day: 19.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,491,327 km

• M1: 93,349 km (0.114 R)
• M2: 475,871 km (0.095 R)
• M3: 1,907,672 km (0.117 R)
• M4: 2,477,042 km (0.067 R)
• M5: 2,729,712 km (0.086 R)
• M6: 3,369,243 km (0.113 R)
• M7: 4,041,985 km (0.08 R)
• M8: 5,497,123 km (0.087 R)
• M9: 6,342,651 km (0.114 R)
• M10: 9,902,481 km (0.05 R)
• M11: 11,149,529 km (0.069 R)
• M12: 13,951,946 km (0.096 R)
• M13: 16,459,207 km (0.116 R)
• M14: 16,782,188 km (0.094 R)
• M15: 19,791,649 km (0.084 R)
• M16: 22,247,298 km (0.051 R)
• M17: 23,041,962 km (0.111 R)
• M18: 28,675,069 km (0.12 R)
• M19: 31,683,333 km (0.069 R)
• M20: 40,038,823 km (0.065 R)
• M21: 40,917,710 km (0.101 R)
• M22: 65,055,028 km (0.064 R)
• M23: 70,213,910 km (0.104 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 16,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit