🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.71 AU - 1.09 AU

Year: 390 Days

Day: 27.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,202,467 km

• M1: 36,951 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.07 AU - 1.27 AU

Year: 578 Days

Day: 17.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326

Radius: 11

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.7 AU - 3.86 AU

Year: 3355 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,202,467 km

• M1: 136,882 km (0.097 R)
• M2: 781,350 km (0.033 R)
• M3: 1,225,356 km (0.089 R)
• M4: 1,572,573 km (0.04 R)
• M5: 2,083,150 km (0.065 R)
• M6: 2,852,233 km (0.071 R)
• M7: 3,235,952 km (0.087 R)
• M8: 3,895,379 km (0.101 R)
• M9: 4,390,249 km (0.067 R)
• M10: 5,977,033 km (0.071 R)
• M11: 8,260,495 km (0.11 R)
• M12: 8,712,879 km (0.115 R)
• M13: 9,079,843 km (0.113 R)
• M14: 9,738,223 km (0.041 R)
• M15: 10,317,017 km (0.087 R)
• M16: 10,804,108 km (0.083 R)
• M17: 11,385,146 km (0.08 R)
• M18: 12,068,659 km (0.094 R)
• M19: 12,822,033 km (0.098 R)
• M20: 13,695,685 km (0.097 R)
• M21: 15,658,708 km (0.117 R)
• M22: 16,352,992 km (0.085 R)
• M23: 16,758,701 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.03 AU - 7.19 AU

Year: 7759 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,202,467 km

• M1: 116,537 km (0.074 R)
• M2: 540,048 km (0.093 R)
• M3: 959,072 km (0.069 R)
• M4: 1,641,089 km (0.075 R)
• M5: 2,454,153 km (0.049 R)
• M6: 2,981,186 km (0.074 R)
• M7: 3,293,547 km (0.077 R)
• M8: 4,133,988 km (0.082 R)
• M9: 4,909,653 km (0.073 R)
• M10: 5,810,830 km (0.095 R)
• M11: 6,783,067 km (0.084 R)
• M12: 8,096,237 km (0.1 R)
• M13: 8,500,749 km (0.11 R)
• M14: 10,208,858 km (0.085 R)
• M15: 14,000,715 km (0.094 R)
• M16: 15,366,843 km (0.108 R)
• M17: 16,240,644 km (0.12 R)
• M18: 17,345,873 km (0.065 R)
• M19: 19,850,740 km (0.091 R)
• M20: 20,364,309 km (0.073 R)
• M21: 22,192,844 km (0.036 R)
• M22: 23,227,762 km (0.1 R)
• M23: 23,634,220 km (0.095 R)
• M24: 26,261,158 km (0.029 R)
• M25: 27,058,964 km (0.088 R)
• M26: 28,983,091 km (0.116 R)
• M27: 30,315,261 km (0.114 R)
• M28: 31,887,385 km (0.076 R)
• M29: 32,389,734 km (0.106 R)
• M30: 34,768,191 km (0.031 R)
• M31: 35,837,816 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 8.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.88 AU - 9.46 AU

Year: 10662 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,202,467 km

• M1: 106,065 km (0.116 R)
• M2: 385,663 km (0.08 R)
• M3: 994,975 km (0.078 R)
• M4: 1,710,053 km (0.057 R)
• M5: 2,436,201 km (0.102 R)
• M6: 3,189,875 km (0.052 R)
• M7: 3,698,359 km (0.061 R)
• M8: 4,284,633 km (0.081 R)
• M9: 4,639,030 km (0.07 R)
• M10: 5,464,960 km (0.113 R)
• M11: 5,913,155 km (0.068 R)
• M12: 6,815,230 km (0.058 R)
• M13: 9,896,498 km (0.049 R)
• M14: 10,791,542 km (0.045 R)
• M15: 11,354,030 km (0.104 R)
• M16: 12,233,964 km (0.116 R)
• M17: 12,845,520 km (0.108 R)
• M18: 13,211,437 km (0.099 R)
• M19: 18,033,275 km (0.078 R)
• M20: 23,444,230 km (0.111 R)
• M21: 24,546,767 km (0.084 R)
• M22: 29,665,407 km (0.098 R)
• M23: 30,121,531 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.8

Radius: 7.8

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.58 AU - 12.9 AU

Year: 16070 Days

Day: 24.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,202,467 km

• M1: 101,128 km (0.053 R)
• M2: 408,402 km (0.114 R)
• M3: 770,279 km (0.077 R)
• M4: 1,172,249 km (0.103 R)
• M5: 1,465,311 km (0.03 R)
• M6: 1,909,467 km (0.084 R)
• M7: 2,786,260 km (0.099 R)
• M8: 3,164,294 km (0.116 R)
• M9: 4,230,478 km (0.117 R)
• M10: 6,923,689 km (0.12 R)
• M11: 11,275,042 km (0.053 R)
• M12: 14,665,977 km (0.044 R)
• M13: 16,858,932 km (0.118 R)
• M14: 18,599,802 km (0.045 R)
• M15: 23,374,667 km (0.092 R)
• M16: 25,232,074 km (0.086 R)
• M17: 26,248,293 km (0.119 R)
• M18: 28,253,652 km (0.099 R)
• M19: 28,688,533 km (0.119 R)
• M20: 31,508,004 km (0.117 R)
• M21: 35,758,379 km (0.089 R)
• M22: 37,822,680 km (0.104 R)
• M23: 42,328,867 km (0.078 R)
• M24: 47,180,326 km (0.085 R)
• M25: 50,293,907 km (0.03 R)
• M26: 52,063,649 km (0.112 R)
• M27: 53,376,371 km (0.079 R)
• M28: 55,897,095 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 12,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit