🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.54 AU - 0.56 AU

Year: 154 Days

Day: 16.8 Hours

Environment

Temp: 200 °C

Axial Tilt: 42.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.74 AU - 1.82 AU

Year: 899 Days

Day: 37.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.86 AU - 2.96 AU

Year: 1417 Days

Day: 39.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.61 AU - 3.25 AU

Year: 1900 Days

Day: 46.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,066,623 km

• M1: 41,139 km (0.07 R)
• M2: 579,393 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.33 AU - 3.59 AU

Year: 1929 Days

Day: 12.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 149.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,066,623 km

• M1: 210,185 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.09 AU - 3.97 AU

Year: 2512 Days

Day: 32.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.7

Radius: 12.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.6 AU - 5 AU

Year: 3983 Days

Day: 11.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,066,623 km

• M1: 163,660 km (0.108 R)
• M2: 563,086 km (0.117 R)
• M3: 972,835 km (0.088 R)
• M4: 1,492,239 km (0.083 R)
• M5: 2,130,573 km (0.095 R)
• M6: 2,617,963 km (0.055 R)
• M7: 3,939,361 km (0.098 R)
• M8: 4,481,503 km (0.1 R)
• M9: 4,955,579 km (0.03 R)
• M10: 6,031,786 km (0.092 R)
• M11: 6,754,643 km (0.113 R)
• M12: 7,882,162 km (0.076 R)
• M13: 8,474,271 km (0.092 R)
• M14: 9,345,828 km (0.032 R)
• M15: 9,859,397 km (0.068 R)
• M16: 11,977,105 km (0.098 R)
• M17: 15,930,228 km (0.089 R)
• M18: 17,421,121 km (0.104 R)
• M19: 19,590,739 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 10.1

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.1 AU - 12.04 AU

Year: 12103 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 173.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,066,623 km

• M1: 125,662 km (0.115 R)
• M2: 577,897 km (0.08 R)
• M3: 901,178 km (0.108 R)
• M4: 1,474,437 km (0.052 R)
• M5: 2,415,706 km (0.088 R)
• M6: 5,191,196 km (0.1 R)
• M7: 6,021,913 km (0.103 R)
• M8: 6,855,472 km (0.082 R)
• M9: 9,714,287 km (0.09 R)
• M10: 11,494,053 km (0.118 R)
• M11: 14,487,806 km (0.074 R)
• M12: 16,349,551 km (0.095 R)
• M13: 16,800,888 km (0.084 R)
• M14: 17,886,370 km (0.104 R)
• M15: 19,940,199 km (0.063 R)
• M16: 20,455,564 km (0.115 R)
• M17: 22,237,873 km (0.101 R)
• M18: 23,261,123 km (0.079 R)
• M19: 23,736,545 km (0.036 R)
• M20: 26,416,441 km (0.094 R)
• M21: 29,846,271 km (0.057 R)
• M22: 31,436,048 km (0.098 R)
• M23: 32,017,235 km (0.101 R)
• M24: 33,683,008 km (0.104 R)
• M25: 37,836,443 km (0.116 R)
• M26: 40,103,748 km (0.074 R)
• M27: 50,556,451 km (0.094 R)
• M28: 51,675,892 km (0.12 R)
• M29: 54,965,399 km (0.065 R)
• M30: 56,148,868 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 9.6

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.83 AU - 11.29 AU

Year: 12997 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,066,623 km

• M1: 119,379 km (0.112 R)
• M2: 570,117 km (0.119 R)
• M3: 1,018,462 km (0.113 R)
• M4: 1,527,544 km (0.03 R)
• M5: 1,892,563 km (0.079 R)
• M6: 2,646,686 km (0.118 R)
• M7: 3,920,362 km (0.108 R)
• M8: 5,209,596 km (0.093 R)
• M9: 5,635,501 km (0.12 R)
• M10: 6,517,082 km (0.099 R)
• M11: 7,984,936 km (0.083 R)
• M12: 8,407,849 km (0.111 R)
• M13: 10,251,194 km (0.077 R)
• M14: 11,860,269 km (0.087 R)
• M15: 12,598,983 km (0.089 R)
• M16: 15,427,580 km (0.105 R)
• M17: 15,790,354 km (0.089 R)
• M18: 17,769,235 km (0.08 R)
• M19: 19,400,001 km (0.049 R)
• M20: 20,338,279 km (0.053 R)
• M21: 22,862,893 km (0.071 R)
• M22: 23,429,869 km (0.103 R)
• M23: 24,006,270 km (0.081 R)
• M24: 25,893,746 km (0.047 R)
• M25: 26,717,432 km (0.067 R)
• M26: 28,308,704 km (0.103 R)
• M27: 29,072,401 km (0.108 R)
• M28: 29,626,362 km (0.06 R)
• M29: 34,684,715 km (0.104 R)
• M30: 36,448,324 km (0.117 R)
• M31: 38,936,287 km (0.087 R)
• M32: 39,609,477 km (0.081 R)
• M33: 41,956,069 km (0.108 R)
• M34: 42,948,801 km (0.077 R)
• M35: 54,923,512 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 14,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit