🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 131 Days

Day: 37.7 Hours

Environment

Temp: 290 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.46 AU - 1.5 AU

Year: 630 Days

Day: 24.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 115,989,654 km

• M1: 372,947 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.48 AU - 1.58 AU

Year: 662 Days

Day: 43.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.3 AU - 1.92 AU

Year: 715 Days

Day: 42.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.44 AU - 4.16 AU

Year: 2592 Days

Day: 42 Hours

Environment

Temp: -108 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 12.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.51 AU - 6.77 AU

Year: 4686 Days

Day: 6.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 115,989,654 km

• M1: 152,739 km (0.115 R)
• M2: 537,505 km (0.11 R)
• M3: 1,006,046 km (0.049 R)
• M4: 1,468,752 km (0.116 R)
• M5: 2,035,129 km (0.079 R)
• M6: 2,602,554 km (0.117 R)
• M7: 3,458,852 km (0.116 R)
• M8: 4,890,354 km (0.1 R)
• M9: 5,699,529 km (0.055 R)
• M10: 6,625,540 km (0.075 R)
• M11: 8,704,352 km (0.097 R)
• M12: 9,547,934 km (0.114 R)
• M13: 10,127,028 km (0.064 R)
• M14: 11,483,731 km (0.11 R)
• M15: 12,772,965 km (0.068 R)
• M16: 13,333,808 km (0.057 R)
• M17: 14,305,147 km (0.042 R)
• M18: 15,532,149 km (0.116 R)
• M19: 16,995,216 km (0.105 R)
• M20: 18,253,633 km (0.072 R)
• M21: 19,634,721 km (0.092 R)
• M22: 20,193,768 km (0.118 R)
• M23: 22,001,060 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 15

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.89 AU - 9.43 AU

Year: 9699 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 115,989,654 km

• M1: 186,698 km (0.12 R)
• M2: 832,811 km (0.086 R)
• M3: 1,362,388 km (0.056 R)
• M4: 1,991,596 km (0.038 R)
• M5: 2,980,738 km (0.089 R)
• M6: 3,825,816 km (0.107 R)
• M7: 5,259,861 km (0.11 R)
• M8: 5,787,642 km (0.095 R)
• M9: 6,387,231 km (0.056 R)
• M10: 9,073,111 km (0.058 R)
• M11: 11,166,135 km (0.071 R)
• M12: 12,905,659 km (0.098 R)
• M13: 13,564,488 km (0.05 R)
• M14: 14,884,539 km (0.089 R)
• M15: 15,743,830 km (0.043 R)
• M16: 17,926,313 km (0.096 R)
• M17: 22,114,455 km (0.079 R)
• M18: 25,771,973 km (0.082 R)
• M19: 26,339,099 km (0.098 R)
• M20: 32,041,770 km (0.079 R)
• M21: 33,140,117 km (0.096 R)
• M22: 35,644,834 km (0.101 R)
• M23: 36,824,114 km (0.111 R)
• M24: 37,664,854 km (0.117 R)
• M25: 38,518,460 km (0.07 R)
• M26: 39,760,272 km (0.103 R)
• M27: 40,391,126 km (0.103 R)
• M28: 42,585,876 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 13.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.63 AU - 9.83 AU

Year: 9810 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,989,654 km

• M1: 173,683 km (0.088 R)
• M2: 871,408 km (0.108 R)
• M3: 1,336,358 km (0.042 R)
• M4: 3,389,140 km (0.107 R)
• M5: 3,804,573 km (0.056 R)
• M6: 4,278,948 km (0.066 R)
• M7: 4,739,560 km (0.111 R)
• M8: 5,233,233 km (0.053 R)
• M9: 5,822,050 km (0.069 R)
• M10: 6,754,344 km (0.056 R)
• M11: 7,310,100 km (0.097 R)
• M12: 7,896,075 km (0.12 R)
• M13: 10,791,093 km (0.063 R)
• M14: 13,720,818 km (0.117 R)
• M15: 15,133,919 km (0.102 R)
• M16: 15,725,429 km (0.116 R)
• M17: 21,028,973 km (0.028 R)
• M18: 23,292,239 km (0.117 R)
• M19: 25,298,795 km (0.028 R)
• M20: 30,022,198 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.5

Radius: 5.5

Gravity: 30.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 18.22 AU - 22.96 AU

Year: 32686 Days

Day: 24 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 115,989,654 km

• M1: 70,909 km (0.106 R)
• M2: 328,966 km (0.108 R)
• M3: 1,406,519 km (0.059 R)
• M4: 1,945,670 km (0.106 R)
• M5: 2,129,376 km (0.051 R)
• M6: 4,272,216 km (0.049 R)
• M7: 7,050,996 km (0.098 R)
• M8: 8,413,683 km (0.087 R)
• M9: 9,220,764 km (0.049 R)
• M10: 11,648,588 km (0.094 R)
• M11: 16,180,506 km (0.077 R)
• M12: 18,220,572 km (0.11 R)
• M13: 21,991,336 km (0.094 R)
• M14: 27,829,542 km (0.11 R)
• M15: 28,779,040 km (0.047 R)
• M16: 32,050,446 km (0.096 R)
• M17: 33,395,331 km (0.098 R)
• M18: 35,719,633 km (0.032 R)
• M19: 36,357,219 km (0.09 R)
• M20: 41,557,840 km (0.085 R)
• M21: 49,364,904 km (0.048 R)
• M22: 56,143,782 km (0.093 R)
• M23: 65,872,730 km (0.097 R)
• M24: 70,757,250 km (0.111 R)
• M25: 73,800,818 km (0.077 R)
• M26: 83,174,322 km (0.1 R)
• M27: 98,206,215 km (0.089 R)
• M28: 106,522,361 km (0.095 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 20,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit