🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 249 Days

Day: 38.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 9.5

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.12 AU - 1.2 AU

Year: 807 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,947,957 km

• M1: 118,182 km (0.052 R)
• M2: 451,935 km (0.113 R)
• M3: 1,069,026 km (0.104 R)
• M4: 2,231,402 km (0.045 R)
• M5: 3,517,644 km (0.079 R)
• M6: 3,831,201 km (0.041 R)
• M7: 4,956,177 km (0.049 R)
• M8: 6,024,306 km (0.079 R)
• M9: 6,992,803 km (0.04 R)
• M10: 7,398,811 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.3

Radius: 11.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.77 AU - 2.27 AU

Year: 1854 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,947,957 km

• M1: 144,212 km (0.102 R)
• M2: 1,612,067 km (0.096 R)
• M3: 3,439,405 km (0.114 R)
• M4: 3,986,185 km (0.067 R)
• M5: 4,662,816 km (0.095 R)
• M6: 5,052,070 km (0.061 R)
• M7: 5,430,552 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.4

Radius: 12.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.92 AU - 2.84 AU

Year: 2371 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,947,957 km

• M1: 156,180 km (0.072 R)
• M2: 613,950 km (0.116 R)
• M3: 2,118,755 km (0.113 R)
• M4: 3,087,850 km (0.077 R)
• M5: 3,993,515 km (0.115 R)
• M6: 4,752,126 km (0.043 R)
• M7: 5,791,382 km (0.077 R)
• M8: 6,377,656 km (0.09 R)
• M9: 6,976,497 km (0.115 R)
• M10: 7,359,018 km (0.043 R)
• M11: 7,930,034 km (0.119 R)
• M12: 8,592,154 km (0.082 R)
• M13: 9,754,828 km (0.059 R)
• M14: 13,915,744 km (0.038 R)
• M15: 14,568,289 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 12.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.01 AU - 6.63 AU

Year: 9066 Days

Day: 11.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,947,957 km

• M1: 221,255 km (0.12 R)
• M2: 3,584,664 km (0.116 R)
• M3: 6,412,214 km (0.054 R)
• M4: 6,877,762 km (0.068 R)
• M5: 7,877,076 km (0.103 R)
• M6: 10,582,853 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.5

Radius: 5.9

Gravity: 27.77 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.87 AU - 8.43 AU

Year: 15023 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,947,957 km

• M1: 73,453 km (0.103 R)
• M2: 564,283 km (0.035 R)
• M3: 803,191 km (0.095 R)
• M4: 1,669,961 km (0.082 R)
• M5: 1,994,439 km (0.104 R)
• M6: 3,527,219 km (0.078 R)
• M7: 4,447,993 km (0.108 R)
• M8: 4,822,736 km (0.09 R)
• M9: 5,367,422 km (0.087 R)
• M10: 6,074,272 km (0.096 R)
• M11: 6,930,271 km (0.107 R)
• M12: 8,669,346 km (0.072 R)
• M13: 13,818,056 km (0.11 R)
• M14: 18,025,646 km (0.077 R)
• M15: 19,508,909 km (0.107 R)
• M16: 20,051,201 km (0.064 R)
• M17: 21,166,004 km (0.117 R)
• M18: 22,126,123 km (0.098 R)
• M19: 22,616,804 km (0.045 R)
• M20: 24,339,873 km (0.118 R)
• M21: 27,029,792 km (0.113 R)
• M22: 29,319,537 km (0.072 R)
• M23: 32,737,848 km (0.102 R)
• M24: 33,119,173 km (0.061 R)
• M25: 35,603,096 km (0.108 R)
• M26: 36,276,885 km (0.092 R)
• M27: 42,275,610 km (0.071 R)
• M28: 46,622,027 km (0.106 R)
• M29: 51,428,158 km (0.116 R)
• M30: 53,334,184 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 6.3

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.44 AU - 9.36 AU

Year: 15719 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,947,957 km

• M1: 78,389 km (0.073 R)
• M2: 350,358 km (0.084 R)
• M3: 559,795 km (0.11 R)
• M4: 770,579 km (0.1 R)
• M5: 1,374,206 km (0.097 R)
• M6: 5,019,607 km (0.067 R)
• M7: 6,103,444 km (0.086 R)
• M8: 6,537,427 km (0.104 R)
• M9: 7,555,440 km (0.059 R)
• M10: 8,433,430 km (0.097 R)
• M11: 9,532,676 km (0.026 R)
• M12: 11,123,649 km (0.1 R)
• M13: 11,414,916 km (0.047 R)
• M14: 13,011,724 km (0.048 R)
• M15: 14,268,795 km (0.115 R)
• M16: 14,612,720 km (0.062 R)
• M17: 14,891,720 km (0.057 R)
• M18: 16,869,254 km (0.097 R)
• M19: 19,348,241 km (0.059 R)
• M20: 19,684,686 km (0.092 R)
• M21: 22,798,566 km (0.083 R)
• M22: 24,034,095 km (0.067 R)
• M23: 25,213,674 km (0.084 R)
• M24: 26,534,474 km (0.088 R)
• M25: 26,741,816 km (0.119 R)
• M26: 33,352,546 km (0.108 R)
• M27: 38,803,444 km (0.077 R)
• M28: 46,452,532 km (0.04 R)
• M29: 46,904,767 km (0.061 R)
• M30: 47,512,284 km (0.068 R)
• M31: 49,994,711 km (0.057 R)
• M32: 50,947,350 km (0.069 R)
• M33: 51,589,275 km (0.112 R)
• M34: 56,747,858 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.6

Radius: 6.4

Gravity: 16.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.69 AU - 11.83 AU

Year: 19687 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,947,957 km

• M1: 79,586 km (0.089 R)
• M2: 342,579 km (0.089 R)
• M3: 569,220 km (0.067 R)
• M4: 1,026,690 km (0.115 R)
• M5: 1,426,117 km (0.1 R)
• M6: 1,849,478 km (0.103 R)
• M7: 2,141,793 km (0.091 R)
• M8: 2,745,719 km (0.115 R)
• M9: 3,996,208 km (0.062 R)
• M10: 4,220,306 km (0.11 R)
• M11: 5,315,512 km (0.083 R)
• M12: 10,246,407 km (0.077 R)
• M13: 10,546,051 km (0.028 R)
• M14: 12,333,148 km (0.106 R)
• M15: 12,878,581 km (0.112 R)
• M16: 13,583,038 km (0.093 R)
• M17: 15,534,243 km (0.041 R)
• M18: 21,701,864 km (0.053 R)
• M19: 24,674,523 km (0.093 R)
• M20: 29,324,474 km (0.026 R)
• M21: 31,037,220 km (0.119 R)
• M22: 33,466,689 km (0.068 R)
• M23: 36,573,687 km (0.081 R)
• M24: 37,556,097 km (0.104 R)
• M25: 37,840,033 km (0.069 R)
• M26: 38,268,631 km (0.115 R)
• M27: 39,135,401 km (0.06 R)
• M28: 40,460,091 km (0.057 R)
• M29: 40,758,389 km (0.109 R)
• M30: 41,208,828 km (0.1 R)
• M31: 41,510,866 km (0.049 R)
• M32: 46,058,192 km (0.116 R)
• M33: 47,038,657 km (0.087 R)
• M34: 48,872,428 km (0.066 R)
• M35: 51,623,832 km (0.114 R)
• M36: 58,759,800 km (0.117 R)
• M37: 60,300,508 km (0.069 R)
• M38: 61,473,655 km (0.092 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: 478 - 16,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit