🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.49 AU - 0.63 AU

Year: 271 Days

Day: 18.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,985,676 km

• M1: 69,563 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.59 AU - 0.73 AU

Year: 346 Days

Day: 16.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 14.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.74 AU - 1.24 AU

Year: 636 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,985,676 km

• M1: 179,069 km (0.051 R)
• M2: 693,536 km (0.077 R)
• M3: 1,145,321 km (0.088 R)
• M4: 1,620,444 km (0.071 R)
• M5: 2,349,285 km (0.076 R)
• M6: 2,947,377 km (0.119 R)
• M7: 3,495,653 km (0.104 R)
• M8: 4,209,834 km (0.079 R)
• M9: 5,229,792 km (0.093 R)
• M10: 6,039,416 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 12.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.78 AU - 1.22 AU

Year: 646 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,985,676 km

• M1: 154,235 km (0.09 R)
• M2: 606,470 km (0.113 R)
• M3: 1,011,730 km (0.099 R)
• M4: 1,741,768 km (0.105 R)
• M5: 2,779,229 km (0.073 R)
• M6: 3,277,689 km (0.047 R)
• M7: 3,835,540 km (0.117 R)
• M8: 4,541,941 km (0.034 R)
• M9: 4,957,225 km (0.099 R)
• M10: 5,397,790 km (0.062 R)
• M11: 5,796,319 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.5

Radius: 10.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.09 AU - 1.09 AU

Year: 735 Days

Day: 5.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,985,676 km

• M1: 133,740 km (0.113 R)
• M2: 658,081 km (0.094 R)
• M3: 1,041,052 km (0.101 R)
• M4: 1,589,178 km (0.108 R)
• M5: 2,008,501 km (0.1 R)
• M6: 2,629,033 km (0.095 R)
• M7: 2,984,926 km (0.118 R)
• M8: 5,212,439 km (0.059 R)
• M9: 5,795,721 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 11.6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.92 AU - 2.18 AU

Year: 1895 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,985,676 km

• M1: 144,212 km (0.114 R)
• M2: 522,695 km (0.082 R)
• M3: 1,201,720 km (0.113 R)
• M4: 1,610,122 km (0.072 R)
• M5: 2,893,372 km (0.091 R)
• M6: 3,285,468 km (0.096 R)
• M7: 3,894,781 km (0.085 R)
• M8: 4,640,227 km (0.07 R)
• M9: 5,548,735 km (0.073 R)
• M10: 6,976,497 km (0.087 R)
• M11: 8,229,229 km (0.115 R)
• M12: 9,023,444 km (0.115 R)
• M13: 9,763,954 km (0.103 R)
• M14: 11,871,489 km (0.091 R)
• M15: 14,310,981 km (0.054 R)
• M16: 15,648,386 km (0.088 R)
• M17: 16,031,506 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 10.7

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.6 AU - 5.58 AU

Year: 6349 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,985,676 km

• M1: 133,142 km (0.07 R)
• M2: 551,119 km (0.108 R)
• M3: 958,623 km (0.055 R)
• M4: 4,030,167 km (0.106 R)
• M5: 4,866,568 km (0.109 R)
• M6: 6,145,780 km (0.116 R)
• M7: 7,636,672 km (0.101 R)
• M8: 8,115,535 km (0.077 R)
• M9: 11,066,203 km (0.097 R)
• M10: 12,101,869 km (0.081 R)
• M11: 12,533,758 km (0.108 R)
• M12: 13,144,417 km (0.096 R)
• M13: 15,220,237 km (0.037 R)
• M14: 17,031,418 km (0.104 R)
• M15: 17,988,994 km (0.082 R)
• M16: 19,713,559 km (0.079 R)
• M17: 22,746,955 km (0.116 R)
• M18: 34,224,851 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240

Radius: 6.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.08 AU - 9.36 AU

Year: 13850 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,985,676 km

• M1: 78,688 km (0.093 R)
• M2: 279,449 km (0.087 R)
• M3: 614,099 km (0.052 R)
• M4: 967,898 km (0.038 R)
• M5: 1,301,651 km (0.079 R)
• M6: 1,828,086 km (0.052 R)
• M7: 3,159,956 km (0.032 R)
• M8: 4,400,421 km (0.066 R)
• M9: 5,868,425 km (0.057 R)
• M10: 6,566,748 km (0.1 R)
• M11: 8,169,689 km (0.113 R)
• M12: 10,606,190 km (0.041 R)
• M13: 12,016,449 km (0.075 R)
• M14: 21,939,126 km (0.059 R)
• M15: 24,651,336 km (0.093 R)
• M16: 25,452,582 km (0.026 R)
• M17: 33,031,060 km (0.04 R)
• M18: 34,996,926 km (0.101 R)
• M19: 35,444,074 km (0.095 R)
• M20: 38,801,050 km (0.073 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: 272 - 11,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit