🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.46 AU - 0.7 AU

Year: 155 Days

Day: 47.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.06 AU - 1.32 AU

Year: 454 Days

Day: 16.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.75 AU - 4.43 AU

Year: 2894 Days

Day: 33 Hours

Environment

Temp: -125 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 12.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.62 AU - 6.58 AU

Year: 4636 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 105,028,373 km

• M1: 151,842 km (0.102 R)
• M2: 680,670 km (0.065 R)
• M3: 1,097,151 km (0.103 R)
• M4: 3,015,743 km (0.103 R)
• M5: 4,448,442 km (0.105 R)
• M6: 4,921,321 km (0.062 R)
• M7: 6,891,376 km (0.059 R)
• M8: 7,810,654 km (0.119 R)
• M9: 8,233,568 km (0.087 R)
• M10: 9,054,860 km (0.05 R)
• M11: 10,622,646 km (0.069 R)
• M12: 11,721,891 km (0.113 R)
• M13: 12,190,880 km (0.088 R)
• M14: 12,940,365 km (0.078 R)
• M15: 15,374,173 km (0.1 R)
• M16: 15,781,827 km (0.077 R)
• M17: 18,957,641 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 14.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.69 AU - 11.09 AU

Year: 9273 Days

Day: 13.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,028,373 km

• M1: 185,801 km (0.096 R)
• M2: 750,383 km (0.112 R)
• M3: 1,328,130 km (0.104 R)
• M4: 2,300,067 km (0.104 R)
• M5: 3,138,863 km (0.066 R)
• M6: 3,686,092 km (0.088 R)
• M7: 4,706,349 km (0.087 R)
• M8: 5,312,071 km (0.11 R)
• M9: 6,614,171 km (0.102 R)
• M10: 7,376,521 km (0.083 R)
• M11: 12,303,677 km (0.107 R)
• M12: 13,676,237 km (0.096 R)
• M13: 15,923,796 km (0.111 R)
• M14: 16,599,978 km (0.111 R)
• M15: 17,423,664 km (0.114 R)
• M16: 19,567,701 km (0.045 R)
• M17: 21,658,181 km (0.074 R)
• M18: 22,873,365 km (0.087 R)
• M19: 27,486,215 km (0.07 R)
• M20: 29,273,910 km (0.075 R)
• M21: 29,917,629 km (0.118 R)
• M22: 30,383,028 km (0.097 R)
• M23: 32,293,842 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.5

Radius: 4.5

Gravity: 46.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 11.44 AU - 17.24 AU

Year: 18998 Days

Day: 19.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 105,028,373 km

• M1: 56,398 km (0.098 R)
• M2: 208,091 km (0.052 R)
• M3: 914,342 km (0.117 R)
• M4: 1,628,971 km (0.025 R)
• M5: 2,329,239 km (0.089 R)
• M6: 3,155,917 km (0.098 R)
• M7: 4,161,962 km (0.107 R)
• M8: 4,755,866 km (0.095 R)
• M9: 7,112,631 km (0.057 R)
• M10: 9,494,827 km (0.109 R)
• M11: 10,332,426 km (0.102 R)
• M12: 12,085,114 km (0.111 R)
• M13: 12,569,961 km (0.064 R)
• M14: 13,067,524 km (0.076 R)
• M15: 27,727,367 km (0.091 R)
• M16: 30,431,199 km (0.047 R)
• M17: 37,364,312 km (0.054 R)
• M18: 37,655,729 km (0.112 R)
• M19: 46,110,701 km (0.112 R)
• M20: 51,853,913 km (0.099 R)
• M21: 63,483,801 km (0.117 R)
• M22: 81,532,036 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.1

Radius: 4.1

Gravity: 32.84 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 13.79 AU - 20.63 AU

Year: 24977 Days

Day: 18.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 105,028,373 km

• M1: 85,570 km (0.052 R)
• M2: 266,733 km (0.057 R)
• M3: 1,089,072 km (0.114 R)
• M4: 1,720,824 km (0.084 R)
• M5: 4,448,442 km (0.103 R)
• M6: 4,956,626 km (0.085 R)
• M7: 6,218,484 km (0.094 R)
• M8: 6,852,929 km (0.105 R)
• M9: 7,529,410 km (0.036 R)
• M10: 13,630,610 km (0.101 R)
• M11: 14,696,196 km (0.086 R)
• M12: 19,704,732 km (0.046 R)
• M13: 26,660,734 km (0.045 R)
• M14: 32,903,902 km (0.086 R)
• M15: 34,950,999 km (0.094 R)
• M16: 38,697,528 km (0.093 R)
• M17: 46,469,138 km (0.094 R)
• M18: 46,806,780 km (0.037 R)
• M19: 52,798,773 km (0.057 R)
• M20: 57,906,045 km (0.038 R)
• M21: 76,585,134 km (0.084 R)
• M22: 80,407,210 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.7

Radius: 6.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 15.94 AU - 22.56 AU

Year: 29548 Days

Day: 16.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 105,028,373 km

• M1: 197,170 km (0.102 R)
• M2: 534,513 km (0.109 R)
• M3: 808,576 km (0.116 R)
• M4: 1,571,526 km (0.118 R)
• M5: 6,558,371 km (0.102 R)
• M6: 7,114,276 km (0.104 R)
• M7: 14,512,340 km (0.069 R)
• M8: 18,276,073 km (0.041 R)
• M9: 23,124,390 km (0.047 R)
• M10: 31,068,336 km (0.117 R)
• M11: 39,813,678 km (0.088 R)
• M12: 48,459,837 km (0.112 R)
• M13: 60,277,470 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.4

Radius: 6.3

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 20.53 AU - 21.11 AU

Year: 33235 Days

Day: 21.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 105,028,373 km

• M1: 91,404 km (0.115 R)
• M2: 398,230 km (0.064 R)
• M3: 690,394 km (0.034 R)
• M4: 1,121,386 km (0.103 R)
• M5: 1,602,941 km (0.113 R)
• M6: 2,144,037 km (0.114 R)
• M7: 4,059,488 km (0.057 R)
• M8: 4,616,740 km (0.033 R)
• M9: 4,893,795 km (0.117 R)
• M10: 7,417,960 km (0.113 R)
• M11: 8,191,979 km (0.044 R)
• M12: 14,413,605 km (0.11 R)
• M13: 15,439,099 km (0.089 R)
• M14: 19,616,769 km (0.096 R)
• M15: 23,550,295 km (0.088 R)
• M16: 26,950,505 km (0.11 R)
• M17: 27,205,270 km (0.096 R)
• M18: 28,503,032 km (0.114 R)
• M19: 31,361,548 km (0.107 R)
• M20: 34,107,567 km (0.072 R)
• M21: 35,462,624 km (0.043 R)
• M22: 37,800,091 km (0.068 R)
• M23: 39,250,741 km (0.112 R)
• M24: 40,404,440 km (0.079 R)
• M25: 45,425,244 km (0.092 R)
• M26: 51,235,476 km (0.059 R)
• M27: 57,944,491 km (0.1 R)
• M28: 59,870,713 km (0.056 R)
• M29: 63,175,480 km (0.055 R)
• M30: 63,850,765 km (0.114 R)
• M31: 66,367,749 km (0.063 R)
• M32: 69,905,589 km (0.099 R)
• M33: 71,598,887 km (0.101 R)
• M34: 72,578,604 km (0.103 R)
• M35: 74,815,541 km (0.107 R)
• M36: 75,066,865 km (0.066 R)
• M37: 81,535,477 km (0.112 R)
• M38: 90,914,964 km (0.111 R)
• M39: 92,352,301 km (0.062 R)
• M40: 104,399,866 km (0.092 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 10,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit