🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.62 AU - 0.62 AU

Year: 315 Days

Day: 40.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,058,966 km

• M1: 78,988 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 14.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.81 AU - 1.33 AU

Year: 715 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,058,966 km

• M1: 185,352 km (0.097 R)
• M2: 727,794 km (0.112 R)
• M3: 1,309,281 km (0.087 R)
• M4: 2,399,101 km (0.117 R)
• M5: 3,134,375 km (0.069 R)
• M6: 3,619,670 km (0.114 R)
• M7: 4,659,525 km (0.081 R)
• M8: 5,296,064 km (0.08 R)
• M9: 5,771,935 km (0.072 R)
• M10: 6,486,414 km (0.117 R)
• M11: 8,217,411 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 12.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.39 AU - 1.83 AU

Year: 1319 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,058,966 km

• M1: 160,519 km (0.11 R)
• M2: 617,540 km (0.11 R)
• M3: 1,222,514 km (0.079 R)
• M4: 1,935,198 km (0.091 R)
• M5: 2,687,376 km (0.077 R)
• M6: 3,353,984 km (0.102 R)
• M7: 4,675,981 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 9.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.68 AU - 2.64 AU

Year: 2050 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 60.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,058,966 km

• M1: 120,127 km (0.066 R)
• M2: 614,847 km (0.109 R)
• M3: 1,234,033 km (0.107 R)
• M4: 1,607,878 km (0.114 R)
• M5: 2,333,577 km (0.109 R)
• M6: 3,223,236 km (0.118 R)
• M7: 4,114,241 km (0.068 R)
• M8: 5,051,172 km (0.048 R)
• M9: 5,737,527 km (0.059 R)
• M10: 6,207,713 km (0.104 R)
• M11: 6,571,685 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 11.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.25 AU - 2.49 AU

Year: 2356 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,058,966 km

• M1: 144,212 km (0.084 R)
• M2: 530,474 km (0.059 R)
• M3: 1,087,726 km (0.07 R)
• M4: 1,493,286 km (0.094 R)
• M5: 2,475,396 km (0.114 R)
• M6: 3,153,972 km (0.092 R)
• M7: 4,236,761 km (0.114 R)
• M8: 5,971,349 km (0.109 R)
• M9: 6,650,373 km (0.089 R)
• M10: 7,077,475 km (0.078 R)
• M11: 8,653,040 km (0.084 R)
• M12: 9,135,643 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 15

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.26 AU - 5.24 AU

Year: 5657 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,058,966 km

• M1: 189,541 km (0.099 R)
• M2: 714,779 km (0.118 R)
• M3: 1,646,325 km (0.1 R)
• M4: 2,490,057 km (0.112 R)
• M5: 3,012,602 km (0.082 R)
• M6: 3,541,281 km (0.082 R)
• M7: 4,570,963 km (0.091 R)
• M8: 5,070,021 km (0.076 R)
• M9: 6,861,755 km (0.034 R)
• M10: 8,338,885 km (0.102 R)
• M11: 10,249,997 km (0.059 R)
• M12: 12,071,202 km (0.073 R)
• M13: 12,652,090 km (0.102 R)
• M14: 13,586,628 km (0.109 R)
• M15: 14,273,731 km (0.112 R)
• M16: 15,531,849 km (0.108 R)
• M17: 17,791,376 km (0.107 R)
• M18: 18,824,050 km (0.077 R)
• M19: 19,390,876 km (0.056 R)
• M20: 20,042,225 km (0.048 R)
• M21: 23,277,129 km (0.099 R)
• M22: 25,617,887 km (0.109 R)
• M23: 29,417,673 km (0.098 R)
• M24: 30,568,829 km (0.106 R)
• M25: 33,681,811 km (0.038 R)
• M26: 35,368,527 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274

Radius: 6.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.6 AU - 10.1 AU

Year: 19960 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,058,966 km

• M1: 89,160 km (0.112 R)
• M2: 342,280 km (0.096 R)
• M3: 688,898 km (0.113 R)
• M4: 971,788 km (0.114 R)
• M5: 3,145,146 km (0.106 R)
• M6: 3,393,777 km (0.096 R)
• M7: 4,044,528 km (0.119 R)
• M8: 4,278,948 km (0.112 R)
• M9: 4,584,726 km (0.089 R)
• M10: 5,309,079 km (0.036 R)
• M11: 10,595,868 km (0.052 R)
• M12: 10,929,770 km (0.043 R)
• M13: 14,528,796 km (0.102 R)
• M14: 17,044,284 km (0.092 R)
• M15: 17,579,994 km (0.059 R)
• M16: 18,285,348 km (0.091 R)
• M17: 22,368,322 km (0.113 R)
• M18: 22,733,790 km (0.093 R)
• M19: 27,330,783 km (0.073 R)
• M20: 33,097,931 km (0.076 R)
• M21: 36,389,532 km (0.11 R)
• M22: 39,492,940 km (0.092 R)
• M23: 40,026,855 km (0.081 R)
• M24: 45,340,721 km (0.042 R)
• M25: 46,073,152 km (0.066 R)
• M26: 50,164,953 km (0.034 R)
• M27: 53,185,334 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224

Radius: 5.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.59 AU - 11.37 AU

Year: 20357 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,058,966 km

• M1: 67,169 km (0.107 R)
• M2: 1,217,727 km (0.094 R)
• M3: 2,437,249 km (0.108 R)
• M4: 3,381,809 km (0.117 R)
• M5: 3,771,961 km (0.05 R)
• M6: 8,690,140 km (0.087 R)
• M7: 13,631,508 km (0.074 R)
• M8: 24,917,919 km (0.118 R)
• M9: 37,665,752 km (0.102 R)
• M10: 39,203,618 km (0.06 R)
• M11: 39,594,517 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.8

Radius: 4.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.84 AU - 10.74 AU

Year: 21313 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 146.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,058,966 km

• M1: 57,894 km (0.072 R)
• M2: 281,992 km (0.037 R)
• M3: 1,213,089 km (0.103 R)
• M4: 1,620,594 km (0.1 R)
• M5: 2,763,821 km (0.084 R)
• M6: 2,978,194 km (0.104 R)
• M7: 3,513,156 km (0.079 R)
• M8: 4,801,643 km (0.117 R)
• M9: 6,158,346 km (0.034 R)
• M10: 11,779,336 km (0.083 R)
• M11: 12,115,333 km (0.04 R)
• M12: 12,631,296 km (0.095 R)
• M13: 12,806,475 km (0.081 R)
• M14: 16,244,234 km (0.061 R)
• M15: 17,154,986 km (0.086 R)
• M16: 21,635,891 km (0.106 R)
• M17: 24,053,842 km (0.092 R)
• M18: 26,934,498 km (0.112 R)
• M19: 33,369,002 km (0.081 R)
• M20: 35,877,908 km (0.111 R)
• M21: 36,701,893 km (0.08 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: 218 - 16,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit