🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 27.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,843,507 km

• M1: 387,608 km (0.074 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.8

Radius: 9.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.22 AU - 1.52 AU

Year: 1035 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,843,507 km

• M1: 115,789 km (0.078 R)
• M2: 459,265 km (0.057 R)
• M3: 2,185,326 km (0.116 R)
• M4: 4,070,857 km (0.065 R)
• M5: 4,539,996 km (0.084 R)
• M6: 5,293,072 km (0.041 R)
• M7: 5,833,419 km (0.112 R)
• M8: 7,379,663 km (0.092 R)
• M9: 7,677,064 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 14.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.71 AU - 2.05 AU

Year: 1664 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,843,507 km

• M1: 177,872 km (0.104 R)
• M2: 826,827 km (0.119 R)
• M3: 1,449,304 km (0.052 R)
• M4: 1,939,088 km (0.119 R)
• M5: 2,540,920 km (0.092 R)
• M6: 3,196,308 km (0.059 R)
• M7: 3,694,319 km (0.088 R)
• M8: 4,295,404 km (0.119 R)
• M9: 4,793,265 km (0.084 R)
• M10: 5,490,391 km (0.084 R)
• M11: 6,056,919 km (0.066 R)
• M12: 7,382,206 km (0.112 R)
• M13: 7,968,779 km (0.101 R)
• M14: 8,669,197 km (0.096 R)
• M15: 9,149,256 km (0.058 R)
• M16: 9,706,807 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112

Radius: 14.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.9 AU - 3.22 AU

Year: 3456 Days

Day: 14.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,843,507 km

• M1: 180,415 km (0.084 R)
• M2: 895,343 km (0.116 R)
• M3: 2,332,829 km (0.104 R)
• M4: 4,678,374 km (0.094 R)
• M5: 5,152,151 km (0.118 R)
• M6: 7,223,932 km (0.077 R)
• M7: 8,107,905 km (0.1 R)
• M8: 9,274,769 km (0.116 R)
• M9: 12,642,965 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 11.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.52 AU - 4.94 AU

Year: 5617 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,843,507 km

• M1: 141,220 km (0.075 R)
• M2: 629,807 km (0.116 R)
• M3: 1,199,177 km (0.108 R)
• M4: 1,984,117 km (0.063 R)
• M5: 3,695,217 km (0.112 R)
• M6: 4,625,566 km (0.104 R)
• M7: 5,509,989 km (0.058 R)
• M8: 6,169,865 km (0.079 R)
• M9: 6,913,965 km (0.092 R)
• M10: 10,933,660 km (0.064 R)
• M11: 11,836,483 km (0.083 R)
• M12: 13,688,056 km (0.06 R)
• M13: 18,703,623 km (0.112 R)
• M14: 22,393,156 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.9

Radius: 5.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.32 AU - 6.9 AU

Year: 9752 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,843,507 km

• M1: 68,965 km (0.079 R)
• M2: 326,123 km (0.064 R)
• M3: 1,343,987 km (0.092 R)
• M4: 3,978,406 km (0.072 R)
• M5: 6,048,840 km (0.084 R)
• M6: 6,248,553 km (0.109 R)
• M7: 6,691,214 km (0.077 R)
• M8: 7,345,704 km (0.115 R)
• M9: 7,872,438 km (0.098 R)
• M10: 8,601,429 km (0.111 R)
• M11: 8,817,747 km (0.06 R)
• M12: 11,356,722 km (0.111 R)
• M13: 14,094,363 km (0.061 R)
• M14: 16,182,002 km (0.112 R)
• M15: 16,958,863 km (0.106 R)
• M16: 22,015,122 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.7

Radius: 5.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.35 AU - 11.05 AU

Year: 18018 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,843,507 km

• M1: 85,869 km (0.105 R)
• M2: 470,635 km (0.112 R)
• M3: 649,704 km (0.102 R)
• M4: 1,051,075 km (0.056 R)
• M5: 2,403,439 km (0.109 R)
• M6: 2,620,506 km (0.05 R)
• M7: 3,115,076 km (0.051 R)
• M8: 3,307,609 km (0.108 R)
• M9: 3,485,481 km (0.117 R)
• M10: 6,523,814 km (0.077 R)
• M11: 12,249,373 km (0.085 R)
• M12: 13,960,922 km (0.09 R)
• M13: 14,134,456 km (0.107 R)
• M14: 16,654,731 km (0.095 R)
• M15: 18,330,077 km (0.047 R)
• M16: 22,484,111 km (0.079 R)
• M17: 22,963,273 km (0.088 R)
• M18: 25,375,688 km (0.112 R)
• M19: 34,559,950 km (0.083 R)
• M20: 36,278,830 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.4

Radius: 5.3

Gravity: 25.72 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.3 AU - 10.8 AU

Year: 22126 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,843,507 km

• M1: 66,122 km (0.07 R)
• M2: 278,701 km (0.084 R)
• M3: 564,882 km (0.106 R)
• M4: 877,092 km (0.105 R)
• M5: 1,210,247 km (0.091 R)
• M6: 1,438,533 km (0.071 R)
• M7: 1,825,244 km (0.108 R)
• M8: 2,148,076 km (0.118 R)
• M9: 2,508,158 km (0.055 R)
• M10: 2,829,494 km (0.118 R)
• M11: 4,716,522 km (0.053 R)
• M12: 4,976,224 km (0.117 R)
• M13: 5,564,891 km (0.049 R)
• M14: 5,897,148 km (0.05 R)
• M15: 6,198,737 km (0.081 R)
• M16: 7,117,268 km (0.073 R)
• M17: 12,112,640 km (0.062 R)
• M18: 13,172,990 km (0.03 R)
• M19: 14,064,593 km (0.097 R)
• M20: 21,562,738 km (0.114 R)
• M21: 31,480,329 km (0.082 R)
• M22: 32,666,490 km (0.115 R)
• M23: 33,068,310 km (0.106 R)
• M24: 33,609,406 km (0.088 R)
• M25: 40,415,361 km (0.111 R)
• M26: 45,042,124 km (0.091 R)
• M27: 48,953,510 km (0.045 R)
• M28: 50,187,393 km (0.118 R)
• M29: 61,016,184 km (0.108 R)
• M30: 62,856,837 km (0.12 R)
• M31: 63,270,923 km (0.078 R)
• M32: 74,684,044 km (0.082 R)
• M33: 77,262,214 km (0.108 R)
• M34: 77,737,337 km (0.089 R)
• M35: 78,693,267 km (0.119 R)
• M36: 81,362,392 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit