🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.5 AU - 0.8 AU

Year: 202 Days

Day: 13 Hours

Environment

Temp: 151 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,412,410 km

• M1: 52,958 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.77 AU - 1.05 AU

Year: 334 Days

Day: 43.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 20,412,410 km

• M1: 13,464 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.53 AU - 1.77 AU

Year: 816 Days

Day: 27.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 11.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.97 AU - 4.27 AU

Year: 3220 Days

Day: 14.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,412,410 km

• M1: 148,551 km (0.075 R)
• M2: 622,178 km (0.103 R)
• M3: 1,032,973 km (0.109 R)
• M4: 1,445,564 km (0.113 R)
• M5: 2,113,519 km (0.096 R)
• M6: 2,690,817 km (0.097 R)
• M7: 3,892,836 km (0.098 R)
• M8: 4,488,535 km (0.055 R)
• M9: 4,874,497 km (0.083 R)
• M10: 5,567,734 km (0.118 R)
• M11: 6,538,773 km (0.114 R)
• M12: 7,150,629 km (0.088 R)
• M13: 10,389,123 km (0.09 R)
• M14: 11,301,222 km (0.072 R)
• M15: 12,348,855 km (0.111 R)
• M16: 16,528,770 km (0.092 R)
• M17: 17,298,151 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 13.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.6 AU - 7.26 AU

Year: 5560 Days

Day: 12.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,412,410 km

• M1: 164,109 km (0.068 R)
• M2: 783,294 km (0.11 R)
• M3: 1,313,619 km (0.1 R)
• M4: 1,934,749 km (0.095 R)
• M5: 2,506,213 km (0.083 R)
• M6: 2,986,721 km (0.109 R)
• M7: 3,853,492 km (0.108 R)
• M8: 5,898,494 km (0.076 R)
• M9: 8,552,510 km (0.086 R)
• M10: 9,396,691 km (0.116 R)
• M11: 11,006,663 km (0.096 R)
• M12: 11,962,893 km (0.079 R)
• M13: 14,425,124 km (0.075 R)
• M14: 16,454,719 km (0.09 R)
• M15: 17,044,882 km (0.1 R)
• M16: 18,726,063 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 9.4

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.22 AU - 10.3 AU

Year: 11739 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,412,410 km

• M1: 116,836 km (0.099 R)
• M2: 548,276 km (0.092 R)
• M3: 896,091 km (0.076 R)
• M4: 1,706,463 km (0.06 R)
• M5: 2,768,009 km (0.101 R)
• M6: 3,517,046 km (0.118 R)
• M7: 3,830,603 km (0.102 R)
• M8: 6,503,319 km (0.115 R)
• M9: 10,328,536 km (0.116 R)
• M10: 12,833,403 km (0.061 R)
• M11: 17,535,414 km (0.112 R)
• M12: 19,814,986 km (0.092 R)
• M13: 21,411,345 km (0.068 R)
• M14: 26,613,312 km (0.112 R)
• M15: 28,034,342 km (0.103 R)
• M16: 32,714,511 km (0.111 R)
• M17: 38,653,696 km (0.116 R)
• M18: 40,738,642 km (0.039 R)
• M19: 44,005,111 km (0.084 R)
• M20: 44,565,954 km (0.064 R)
• M21: 50,134,286 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 14.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.92 AU - 12.04 AU

Year: 12138 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,412,410 km

• M1: 182,809 km (0.108 R)
• M2: 1,454,540 km (0.101 R)
• M3: 2,813,637 km (0.104 R)
• M4: 3,413,674 km (0.081 R)
• M5: 4,728,789 km (0.097 R)
• M6: 8,468,586 km (0.116 R)
• M7: 9,588,924 km (0.102 R)
• M8: 10,063,898 km (0.117 R)
• M9: 13,021,597 km (0.117 R)
• M10: 26,121,583 km (0.103 R)
• M11: 27,906,585 km (0.113 R)
• M12: 29,571,460 km (0.114 R)
• M13: 30,275,916 km (0.078 R)
• M14: 31,718,638 km (0.056 R)
• M15: 38,423,764 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15

Radius: 3.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.63 AU - 14.07 AU

Year: 18780 Days

Day: 15.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,412,410 km

• M1: 43,832 km (0.072 R)
• M2: 445,203 km (0.094 R)
• M3: 1,295,368 km (0.08 R)
• M4: 1,637,049 km (0.12 R)
• M5: 3,301,475 km (0.116 R)
• M6: 4,989,687 km (0.106 R)
• M7: 6,249,750 km (0.084 R)
• M8: 7,057,579 km (0.104 R)
• M9: 13,687,906 km (0.073 R)
• M10: 15,090,386 km (0.068 R)
• M11: 15,749,065 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 16,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit