🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.02 AU - 1.28 AU

Year: 470 Days

Day: 27 Hours

Environment

Temp: 3 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.13 AU - 1.29 AU

Year: 507 Days

Day: 33 Hours

Environment

Temp: -21 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 14.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.95 AU - 8.29 AU

Year: 8811 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,138,070 km

• M1: 176,675 km (0.095 R)
• M2: 684,709 km (0.08 R)
• M3: 1,823,748 km (0.099 R)
• M4: 2,336,719 km (0.114 R)
• M5: 3,259,887 km (0.077 R)
• M6: 3,932,479 km (0.117 R)
• M7: 5,586,732 km (0.106 R)
• M8: 6,521,270 km (0.062 R)
• M9: 7,235,600 km (0.114 R)
• M10: 8,115,535 km (0.115 R)
• M11: 8,781,096 km (0.045 R)
• M12: 10,044,599 km (0.095 R)
• M13: 10,537,225 km (0.036 R)
• M14: 12,619,777 km (0.086 R)
• M15: 14,677,795 km (0.084 R)
• M16: 15,313,287 km (0.09 R)
• M17: 19,244,420 km (0.073 R)
• M18: 20,288,014 km (0.104 R)
• M19: 25,087,413 km (0.038 R)
• M20: 30,316,158 km (0.098 R)
• M21: 32,402,899 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.9

Radius: 13.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.92 AU - 8.38 AU

Year: 8860 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,138,070 km

• M1: 169,345 km (0.067 R)
• M2: 616,343 km (0.079 R)
• M3: 1,244,654 km (0.054 R)
• M4: 3,106,250 km (0.08 R)
• M5: 6,122,293 km (0.116 R)
• M6: 7,247,418 km (0.106 R)
• M7: 8,259,598 km (0.12 R)
• M8: 9,722,665 km (0.074 R)
• M9: 10,516,132 km (0.077 R)
• M10: 12,021,386 km (0.109 R)
• M11: 12,880,676 km (0.107 R)
• M12: 13,838,252 km (0.062 R)
• M13: 16,602,072 km (0.029 R)
• M14: 17,129,405 km (0.063 R)
• M15: 18,496,879 km (0.066 R)
• M16: 19,715,354 km (0.086 R)
• M17: 22,074,213 km (0.082 R)
• M18: 22,631,914 km (0.11 R)
• M19: 23,775,440 km (0.088 R)
• M20: 24,361,415 km (0.108 R)
• M21: 24,785,974 km (0.073 R)
• M22: 26,266,245 km (0.067 R)
• M23: 30,763,755 km (0.099 R)
• M24: 31,459,834 km (0.056 R)
• M25: 32,986,929 km (0.06 R)
• M26: 34,562,942 km (0.075 R)
• M27: 36,188,623 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 14.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.83 AU - 9.59 AU

Year: 8958 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,138,070 km

• M1: 176,675 km (0.102 R)
• M2: 764,445 km (0.076 R)
• M3: 1,965,118 km (0.115 R)
• M4: 2,533,590 km (0.068 R)
• M5: 3,291,452 km (0.056 R)
• M6: 4,101,375 km (0.052 R)
• M7: 6,307,794 km (0.079 R)
• M8: 7,275,992 km (0.119 R)
• M9: 9,507,543 km (0.096 R)
• M10: 11,010,852 km (0.084 R)
• M11: 12,313,550 km (0.113 R)
• M12: 12,821,286 km (0.091 R)
• M13: 14,207,310 km (0.07 R)
• M14: 15,514,795 km (0.083 R)
• M15: 17,784,494 km (0.119 R)
• M16: 20,976,613 km (0.053 R)
• M17: 29,273,311 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.52 AU - 11.46 AU

Year: 12024 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,138,070 km

• M1: 99,931 km (0.042 R)
• M2: 559,496 km (0.108 R)
• M3: 868,565 km (0.109 R)
• M4: 1,566,439 km (0.099 R)
• M5: 1,848,132 km (0.098 R)
• M6: 2,234,843 km (0.106 R)
• M7: 2,926,583 km (0.078 R)
• M8: 3,357,874 km (0.042 R)
• M9: 3,962,698 km (0.092 R)
• M10: 4,235,265 km (0.061 R)
• M11: 5,097,697 km (0.11 R)
• M12: 5,895,951 km (0.11 R)
• M13: 6,361,799 km (0.108 R)
• M14: 6,698,693 km (0.048 R)
• M15: 7,205,980 km (0.104 R)
• M16: 7,907,893 km (0.109 R)
• M17: 8,430,289 km (0.109 R)
• M18: 9,447,405 km (0.064 R)
• M19: 14,152,108 km (0.11 R)
• M20: 15,184,633 km (0.097 R)
• M21: 15,651,827 km (0.12 R)
• M22: 19,350,036 km (0.077 R)
• M23: 19,820,222 km (0.047 R)
• M24: 20,137,818 km (0.109 R)
• M25: 21,777,261 km (0.03 R)
• M26: 22,543,352 km (0.077 R)
• M27: 23,503,770 km (0.118 R)
• M28: 28,215,804 km (0.08 R)
• M29: 30,369,864 km (0.115 R)
• M30: 31,325,645 km (0.074 R)
• M31: 33,074,294 km (0.093 R)
• M32: 33,746,437 km (0.042 R)
• M33: 36,526,415 km (0.06 R)
• M34: 38,956,931 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.9

Radius: 12.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.07 AU - 12.07 AU

Year: 14025 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,138,070 km

• M1: 165,006 km (0.07 R)
• M2: 615,595 km (0.075 R)
• M3: 1,175,091 km (0.037 R)
• M4: 1,786,797 km (0.083 R)
• M5: 3,278,138 km (0.118 R)
• M6: 4,115,437 km (0.114 R)
• M7: 4,694,232 km (0.106 R)
• M8: 5,387,169 km (0.079 R)
• M9: 7,086,451 km (0.094 R)
• M10: 8,650,646 km (0.079 R)
• M11: 12,774,611 km (0.081 R)
• M12: 19,608,541 km (0.059 R)
• M13: 23,304,955 km (0.088 R)
• M14: 25,145,008 km (0.103 R)
• M15: 26,810,631 km (0.112 R)
• M16: 27,442,383 km (0.035 R)
• M17: 28,923,701 km (0.086 R)
• M18: 29,876,340 km (0.044 R)
• M19: 34,001,651 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.3

Radius: 6.6

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 10.81 AU - 14.15 AU

Year: 16789 Days

Day: 24.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,138,070 km

• M1: 82,279 km (0.112 R)
• M2: 356,342 km (0.084 R)
• M3: 631,453 km (0.109 R)
• M4: 915,539 km (0.07 R)
• M5: 1,954,347 km (0.093 R)
• M6: 2,197,443 km (0.037 R)
• M7: 2,524,464 km (0.078 R)
• M8: 3,620,867 km (0.075 R)
• M9: 6,142,040 km (0.114 R)
• M10: 7,309,352 km (0.089 R)
• M11: 8,039,090 km (0.096 R)
• M12: 10,129,870 km (0.091 R)
• M13: 23,349,236 km (0.087 R)
• M14: 24,723,292 km (0.109 R)
• M15: 35,883,892 km (0.098 R)
• M16: 37,710,631 km (0.095 R)
• M17: 40,149,226 km (0.036 R)
• M18: 42,403,217 km (0.06 R)
• M19: 45,638,570 km (0.104 R)
• M20: 47,780,812 km (0.076 R)
• M21: 56,151,561 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 12,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit