🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.92 AU - 0.98 AU

Year: 347 Days

Day: 19.3 Hours

Environment

Temp: 11 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,625,991 km

• M1: 54,454 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.66 AU - 1.72 AU

Year: 823 Days

Day: 19.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,625,991 km

• M1: 41,289 km (0.032 R)
• M2: 215,870 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.48 AU - 1.96 AU

Year: 845 Days

Day: 35.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.35 AU - 3.57 AU

Year: 2412 Days

Day: 36.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 12.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.4 AU - 10.64 AU

Year: 9319 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,625,991 km

• M1: 160,369 km (0.119 R)
• M2: 866,620 km (0.043 R)
• M3: 1,424,920 km (0.056 R)
• M4: 1,836,164 km (0.039 R)
• M5: 2,383,692 km (0.087 R)
• M6: 3,061,371 km (0.065 R)
• M7: 3,812,053 km (0.115 R)
• M8: 4,245,588 km (0.108 R)
• M9: 5,052,818 km (0.095 R)
• M10: 5,995,434 km (0.059 R)
• M11: 6,584,700 km (0.112 R)
• M12: 8,317,492 km (0.049 R)
• M13: 13,144,716 km (0.035 R)
• M14: 13,950,899 km (0.095 R)
• M15: 15,255,243 km (0.111 R)
• M16: 16,853,995 km (0.054 R)
• M17: 18,256,924 km (0.12 R)
• M18: 28,863,264 km (0.081 R)
• M19: 36,221,983 km (0.106 R)
• M20: 38,426,756 km (0.084 R)
• M21: 47,999,075 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.6

Radius: 6.1

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 12.1 AU - 12.12 AU

Year: 15792 Days

Day: 22.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,625,991 km

• M1: 76,445 km (0.036 R)
• M2: 439,219 km (0.102 R)
• M3: 954,135 km (0.07 R)
• M4: 2,224,670 km (0.101 R)
• M5: 2,678,101 km (0.118 R)
• M6: 2,960,542 km (0.099 R)
• M7: 3,262,730 km (0.088 R)
• M8: 3,688,784 km (0.115 R)
• M9: 4,039,143 km (0.107 R)
• M10: 5,459,275 km (0.083 R)
• M11: 5,666,319 km (0.037 R)
• M12: 7,224,680 km (0.055 R)
• M13: 8,440,312 km (0.089 R)
• M14: 8,905,711 km (0.065 R)
• M15: 10,404,981 km (0.071 R)
• M16: 12,065,068 km (0.072 R)
• M17: 13,141,724 km (0.077 R)
• M18: 13,766,744 km (0.095 R)
• M19: 15,279,328 km (0.108 R)
• M20: 16,681,808 km (0.115 R)
• M21: 24,342,117 km (0.089 R)
• M22: 26,054,414 km (0.093 R)
• M23: 27,541,417 km (0.099 R)
• M24: 34,056,404 km (0.102 R)
• M25: 34,641,631 km (0.073 R)
• M26: 36,559,326 km (0.118 R)
• M27: 36,803,769 km (0.103 R)
• M28: 41,660,913 km (0.068 R)
• M29: 47,072,616 km (0.11 R)
• M30: 48,237,684 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.8

Radius: 3.8

Gravity: 62.38 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 11.52 AU - 14.54 AU

Year: 17626 Days

Day: 15.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,625,991 km

• M1: 67,319 km (0.08 R)
• M2: 186,249 km (0.12 R)
• M3: 508,932 km (0.09 R)
• M4: 776,862 km (0.085 R)
• M5: 1,041,052 km (0.075 R)
• M6: 1,317,060 km (0.114 R)
• M7: 1,710,352 km (0.113 R)
• M8: 2,094,221 km (0.098 R)
• M9: 2,395,511 km (0.115 R)
• M10: 2,603,901 km (0.087 R)
• M11: 2,926,284 km (0.117 R)
• M12: 5,134,349 km (0.04 R)
• M13: 6,615,068 km (0.087 R)
• M14: 6,932,814 km (0.116 R)
• M15: 7,072,090 km (0.081 R)
• M16: 8,410,841 km (0.086 R)
• M17: 8,729,784 km (0.06 R)
• M18: 11,255,594 km (0.031 R)
• M19: 16,423,453 km (0.105 R)
• M20: 16,671,037 km (0.081 R)
• M21: 17,005,239 km (0.053 R)
• M22: 17,429,199 km (0.037 R)
• M23: 17,773,424 km (0.079 R)
• M24: 18,653,658 km (0.105 R)
• M25: 23,914,267 km (0.115 R)
• M26: 30,206,503 km (0.063 R)
• M27: 32,096,074 km (0.108 R)
• M28: 35,281,162 km (0.057 R)
• M29: 35,555,674 km (0.116 R)
• M30: 41,350,198 km (0.118 R)
• M31: 44,151,268 km (0.025 R)
• M32: 45,760,792 km (0.119 R)
• M33: 49,782,282 km (0.106 R)
• M34: 53,488,868 km (0.066 R)
• M35: 61,842,862 km (0.093 R)
• M36: 69,077,565 km (0.109 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: 540 - 19,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit