🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.85 AU - 1.37 AU

Year: 436 Days

Day: 39.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,337,587 km

• M1: 54,304 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.75 AU - 1.87 AU

Year: 908 Days

Day: 40.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 12.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.59 AU - 5.69 AU

Year: 3726 Days

Day: 13.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,337,587 km

• M1: 159,471 km (0.076 R)
• M2: 570,267 km (0.046 R)
• M3: 1,027,737 km (0.09 R)
• M4: 2,252,794 km (0.086 R)
• M5: 3,206,780 km (0.115 R)
• M6: 3,664,998 km (0.081 R)
• M7: 4,289,270 km (0.109 R)
• M8: 4,692,736 km (0.031 R)
• M9: 5,552,325 km (0.098 R)
• M10: 6,033,133 km (0.091 R)
• M11: 8,436,572 km (0.106 R)
• M12: 10,108,328 km (0.077 R)
• M13: 12,368,902 km (0.106 R)
• M14: 13,549,827 km (0.054 R)
• M15: 14,005,652 km (0.094 R)
• M16: 14,424,825 km (0.097 R)
• M17: 15,337,222 km (0.091 R)
• M18: 17,330,016 km (0.109 R)
• M19: 18,250,641 km (0.113 R)
• M20: 18,920,092 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.1

Radius: 3.6

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 10.39 AU - 15.89 AU

Year: 17756 Days

Day: 20.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,337,587 km

• M1: 45,927 km (0.108 R)
• M2: 169,943 km (0.104 R)
• M3: 963,111 km (0.063 R)
• M4: 2,734,051 km (0.072 R)
• M5: 3,189,875 km (0.114 R)
• M6: 3,423,846 km (0.066 R)
• M7: 3,545,170 km (0.059 R)
• M8: 4,059,189 km (0.052 R)
• M9: 4,250,225 km (0.109 R)
• M10: 5,075,407 km (0.114 R)
• M11: 8,710,785 km (0.103 R)
• M12: 10,480,677 km (0.094 R)
• M13: 12,192,974 km (0.093 R)
• M14: 13,836,756 km (0.068 R)
• M15: 21,890,357 km (0.065 R)
• M16: 22,989,602 km (0.11 R)
• M17: 27,463,177 km (0.113 R)
• M18: 31,307,394 km (0.118 R)
• M19: 33,467,587 km (0.114 R)
• M20: 34,471,389 km (0.055 R)
• M21: 35,494,937 km (0.064 R)
• M22: 44,157,551 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.6

Radius: 7.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 10.46 AU - 17 AU

Year: 18965 Days

Day: 16.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 152.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,337,587 km

• M1: 90,806 km (0.092 R)
• M2: 386,860 km (0.115 R)
• M3: 985,102 km (0.116 R)
• M4: 1,814,024 km (0.094 R)
• M5: 2,718,792 km (0.092 R)
• M6: 3,868,751 km (0.056 R)
• M7: 5,784,501 km (0.089 R)
• M8: 6,619,107 km (0.063 R)
• M9: 7,125,047 km (0.113 R)
• M10: 9,030,326 km (0.047 R)
• M11: 10,876,364 km (0.11 R)
• M12: 11,691,672 km (0.112 R)
• M13: 12,029,015 km (0.036 R)
• M14: 12,257,451 km (0.04 R)
• M15: 13,443,762 km (0.115 R)
• M16: 14,382,190 km (0.092 R)
• M17: 14,900,247 km (0.086 R)
• M18: 15,163,988 km (0.072 R)
• M19: 17,314,308 km (0.12 R)
• M20: 21,953,488 km (0.117 R)
• M21: 26,003,850 km (0.087 R)
• M22: 27,754,594 km (0.109 R)
• M23: 32,142,449 km (0.088 R)
• M24: 33,139,369 km (0.113 R)
• M25: 35,311,381 km (0.102 R)
• M26: 36,851,191 km (0.116 R)
• M27: 43,190,850 km (0.093 R)
• M28: 46,898,932 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.2

Radius: 7.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 12.17 AU - 15.39 AU

Year: 19069 Days

Day: 22.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,337,587 km

• M1: 88,861 km (0.098 R)
• M2: 771,327 km (0.084 R)
• M3: 1,487,302 km (0.076 R)
• M4: 2,564,257 km (0.086 R)
• M5: 2,890,231 km (0.082 R)
• M6: 9,931,653 km (0.082 R)
• M7: 18,461,275 km (0.111 R)
• M8: 19,749,312 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.4

Radius: 4.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 14.84 AU - 18.88 AU

Year: 25807 Days

Day: 24.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 97.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,337,587 km

• M1: 54,753 km (0.094 R)
• M2: 292,015 km (0.093 R)
• M3: 513,569 km (0.112 R)
• M4: 788,979 km (0.091 R)
• M5: 975,677 km (0.11 R)
• M6: 1,203,216 km (0.1 R)
• M7: 3,983,343 km (0.076 R)
• M8: 4,951,989 km (0.103 R)
• M9: 7,502,932 km (0.086 R)
• M10: 7,831,449 km (0.093 R)
• M11: 14,413,156 km (0.12 R)
• M12: 15,439,847 km (0.095 R)
• M13: 19,188,470 km (0.041 R)
• M14: 24,203,888 km (0.093 R)
• M15: 28,715,311 km (0.082 R)
• M16: 32,444,637 km (0.118 R)
• M17: 34,312,815 km (0.102 R)
• M18: 35,444,672 km (0.072 R)
• M19: 41,225,134 km (0.081 R)
• M20: 42,503,597 km (0.088 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: 418 - 14,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit