🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 8.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.62 AU - 0.92 AU

Year: 436 Days

Day: 11.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 106.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,367,929 km

• M1: 107,262 km (0.062 R)
• M2: 661,522 km (0.038 R)
• M3: 1,208,152 km (0.106 R)
• M4: 1,703,770 km (0.09 R)
• M5: 2,038,271 km (0.088 R)
• M6: 2,313,830 km (0.08 R)
• M7: 3,167,436 km (0.067 R)
• M8: 3,644,952 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 13.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.83 AU - 1.05 AU

Year: 588 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,367,929 km

• M1: 165,605 km (0.089 R)
• M2: 607,068 km (0.086 R)
• M3: 1,436,888 km (0.116 R)
• M4: 2,000,124 km (0.05 R)
• M5: 2,839,218 km (0.091 R)
• M6: 3,267,367 km (0.063 R)
• M7: 3,765,678 km (0.072 R)
• M8: 4,329,512 km (0.111 R)
• M9: 4,788,927 km (0.08 R)
• M10: 5,539,609 km (0.056 R)
• M11: 6,138,898 km (0.108 R)
• M12: 6,741,030 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 8.8

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.17 AU - 1.27 AU

Year: 870 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,367,929 km

• M1: 109,506 km (0.116 R)
• M2: 398,379 km (0.098 R)
• M3: 740,809 km (0.098 R)
• M4: 1,049,279 km (0.083 R)
• M5: 1,415,495 km (0.047 R)
• M6: 1,720,076 km (0.109 R)
• M7: 2,059,065 km (0.034 R)
• M8: 2,897,412 km (0.056 R)
• M9: 3,828,958 km (0.075 R)
• M10: 5,489,045 km (0.06 R)
• M11: 6,089,232 km (0.07 R)
• M12: 6,394,860 km (0.099 R)
• M13: 7,037,233 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 12.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.77 AU - 2.89 AU

Year: 2296 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,367,929 km

• M1: 160,369 km (0.029 R)
• M2: 629,059 km (0.114 R)
• M3: 1,103,434 km (0.099 R)
• M4: 1,948,213 km (0.115 R)
• M5: 3,218,897 km (0.11 R)
• M6: 4,034,056 km (0.114 R)
• M7: 4,797,753 km (0.086 R)
• M8: 5,701,324 km (0.054 R)
• M9: 6,463,526 km (0.117 R)
• M10: 7,052,492 km (0.094 R)
• M11: 8,133,038 km (0.079 R)
• M12: 10,242,966 km (0.114 R)
• M13: 10,867,238 km (0.117 R)
• M14: 12,578,189 km (0.106 R)
• M15: 13,745,501 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 12.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.51 AU - 3.81 AU

Year: 4521 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,367,929 km

• M1: 166,054 km (0.1 R)
• M2: 616,194 km (0.108 R)
• M3: 4,160,317 km (0.084 R)
• M4: 4,597,741 km (0.102 R)
• M5: 5,731,992 km (0.111 R)
• M6: 6,301,062 km (0.089 R)
• M7: 8,899,727 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.9

Radius: 6.2

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.52 AU - 9.08 AU

Year: 15439 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,367,929 km

• M1: 77,342 km (0.067 R)
• M2: 372,947 km (0.09 R)
• M3: 579,243 km (0.115 R)
• M4: 960,269 km (0.06 R)
• M5: 1,527,843 km (0.056 R)
• M6: 2,137,754 km (0.113 R)
• M7: 2,423,037 km (0.111 R)
• M8: 3,301,027 km (0.087 R)
• M9: 4,094,344 km (0.092 R)
• M10: 4,311,111 km (0.086 R)
• M11: 5,401,979 km (0.108 R)
• M12: 7,231,262 km (0.11 R)
• M13: 11,931,477 km (0.078 R)
• M14: 12,247,428 km (0.12 R)
• M15: 14,544,952 km (0.054 R)
• M16: 16,252,612 km (0.075 R)
• M17: 17,114,744 km (0.116 R)
• M18: 19,186,974 km (0.103 R)
• M19: 20,149,636 km (0.085 R)
• M20: 20,507,475 km (0.068 R)
• M21: 22,076,008 km (0.112 R)
• M22: 25,868,165 km (0.118 R)
• M23: 28,586,657 km (0.076 R)
• M24: 30,775,723 km (0.058 R)
• M25: 39,385,529 km (0.107 R)
• M26: 40,085,797 km (0.113 R)
• M27: 40,937,009 km (0.039 R)
• M28: 48,986,421 km (0.037 R)
• M29: 52,447,218 km (0.064 R)
• M30: 55,365,574 km (0.099 R)
• M31: 64,186,462 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.4

Radius: 5.9

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.78 AU - 9.28 AU

Year: 17521 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 58.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,367,929 km

• M1: 73,303 km (0.081 R)
• M2: 372,050 km (0.1 R)
• M3: 953,986 km (0.041 R)
• M4: 2,223,024 km (0.102 R)
• M5: 2,647,434 km (0.045 R)
• M6: 3,991,271 km (0.088 R)
• M7: 5,617,101 km (0.068 R)
• M8: 9,139,084 km (0.081 R)
• M9: 12,501,744 km (0.085 R)
• M10: 13,687,906 km (0.049 R)
• M11: 16,936,873 km (0.085 R)
• M12: 18,124,829 km (0.104 R)
• M13: 25,014,260 km (0.071 R)
• M14: 25,338,588 km (0.084 R)
• M15: 28,620,317 km (0.088 R)
• M16: 31,291,237 km (0.087 R)
• M17: 35,875,215 km (0.062 R)
• M18: 38,685,561 km (0.102 R)
• M19: 41,036,940 km (0.108 R)
• M20: 42,400,674 km (0.083 R)
• M21: 51,222,610 km (0.102 R)
• M22: 60,025,697 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 12,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit