🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.67 AU - 0.73 AU

Year: 249 Days

Day: 30.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1 AU - 1.22 AU

Year: 497 Days

Day: 35.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,285,599 km

• M1: 799,152 km (0.111 R)

Asteroid Belt

Center: 2.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 12.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.8 AU - 3.82 AU

Year: 2557 Days

Day: 7.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,285,599 km

• M1: 151,842 km (0.088 R)
• M2: 616,642 km (0.06 R)
• M3: 1,187,807 km (0.039 R)
• M4: 1,785,899 km (0.098 R)
• M5: 2,265,061 km (0.093 R)
• M6: 3,064,961 km (0.099 R)
• M7: 3,703,295 km (0.05 R)
• M8: 5,084,383 km (0.101 R)
• M9: 5,704,316 km (0.043 R)
• M10: 6,241,223 km (0.071 R)
• M11: 10,500,723 km (0.091 R)
• M12: 11,830,349 km (0.109 R)
• M13: 14,031,083 km (0.112 R)
• M14: 17,006,436 km (0.103 R)
• M15: 17,584,631 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 9.3

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.86 AU - 4.06 AU

Year: 2733 Days

Day: 6.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,285,599 km

• M1: 115,639 km (0.088 R)
• M2: 1,045,390 km (0.119 R)
• M3: 1,427,912 km (0.092 R)
• M4: 1,890,767 km (0.04 R)
• M5: 2,192,506 km (0.1 R)
• M6: 3,335,883 km (0.111 R)
• M7: 3,720,499 km (0.112 R)
• M8: 4,264,437 km (0.118 R)
• M9: 5,723,016 km (0.037 R)
• M10: 6,190,809 km (0.082 R)
• M11: 7,234,403 km (0.093 R)
• M12: 9,590,719 km (0.097 R)
• M13: 12,147,497 km (0.06 R)
• M14: 12,462,251 km (0.091 R)
• M15: 13,343,831 km (0.085 R)
• M16: 15,915,418 km (0.101 R)
• M17: 18,267,695 km (0.119 R)
• M18: 18,681,184 km (0.085 R)
• M19: 21,620,632 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 10.9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.04 AU - 4.44 AU

Year: 3707 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,285,599 km

• M1: 135,536 km (0.108 R)
• M2: 476,320 km (0.091 R)
• M3: 837,299 km (0.114 R)
• M4: 1,330,075 km (0.038 R)
• M5: 1,669,063 km (0.078 R)
• M6: 2,165,130 km (0.116 R)
• M7: 3,038,931 km (0.089 R)
• M8: 4,292,412 km (0.115 R)
• M9: 5,074,509 km (0.079 R)
• M10: 5,445,512 km (0.064 R)
• M11: 7,311,895 km (0.05 R)
• M12: 8,245,386 km (0.039 R)
• M13: 8,610,554 km (0.11 R)
• M14: 11,034,638 km (0.093 R)
• M15: 11,796,839 km (0.112 R)
• M16: 13,029,975 km (0.096 R)
• M17: 13,677,883 km (0.096 R)
• M18: 16,144,303 km (0.09 R)
• M19: 16,659,518 km (0.109 R)
• M20: 19,594,329 km (0.04 R)
• M21: 21,594,303 km (0.102 R)
• M22: 22,079,898 km (0.099 R)
• M23: 23,145,035 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 11.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.32 AU - 7 AU

Year: 6492 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,285,599 km

• M1: 138,976 km (0.099 R)
• M2: 704,157 km (0.118 R)
• M3: 1,071,570 km (0.105 R)
• M4: 2,288,997 km (0.113 R)
• M5: 3,109,242 km (0.106 R)
• M6: 5,356,202 km (0.099 R)
• M7: 5,725,859 km (0.119 R)
• M8: 6,245,412 km (0.102 R)
• M9: 6,760,777 km (0.106 R)
• M10: 7,378,915 km (0.06 R)
• M11: 9,730,444 km (0.072 R)
• M12: 11,602,362 km (0.094 R)
• M13: 16,883,466 km (0.114 R)
• M14: 24,914,777 km (0.099 R)
• M15: 27,282,762 km (0.116 R)
• M16: 29,510,125 km (0.098 R)
• M17: 30,375,848 km (0.097 R)
• M18: 35,929,669 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 13.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.81 AU - 9.85 AU

Year: 10208 Days

Day: 10.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,285,599 km

• M1: 172,038 km (0.086 R)
• M2: 639,381 km (0.072 R)
• M3: 1,219,522 km (0.1 R)
• M4: 1,789,191 km (0.109 R)
• M5: 2,438,146 km (0.092 R)
• M6: 3,035,790 km (0.11 R)
• M7: 4,184,851 km (0.079 R)
• M8: 6,390,073 km (0.085 R)
• M9: 7,618,122 km (0.082 R)
• M10: 9,525,644 km (0.118 R)
• M11: 10,278,571 km (0.111 R)
• M12: 11,903,503 km (0.056 R)
• M13: 13,383,624 km (0.106 R)
• M14: 16,850,405 km (0.086 R)
• M15: 19,495,894 km (0.075 R)
• M16: 28,053,042 km (0.113 R)
• M17: 30,555,066 km (0.075 R)
• M18: 34,117,889 km (0.042 R)
• M19: 36,843,712 km (0.068 R)
• M20: 40,354,175 km (0.115 R)
• M21: 41,396,872 km (0.119 R)
• M22: 43,944,973 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537

Radius: 6.3

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 10.48 AU - 17.14 AU

Year: 21790 Days

Day: 24.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,285,599 km

• M1: 78,389 km (0.095 R)
• M2: 323,879 km (0.081 R)
• M3: 611,855 km (0.118 R)
• M4: 981,212 km (0.114 R)
• M5: 1,251,835 km (0.106 R)
• M6: 1,475,035 km (0.114 R)
• M7: 1,672,654 km (0.031 R)
• M8: 2,649,378 km (0.109 R)
• M9: 4,118,130 km (0.048 R)
• M10: 4,514,265 km (0.095 R)
• M11: 5,007,938 km (0.12 R)
• M12: 5,537,066 km (0.078 R)
• M13: 6,706,173 km (0.096 R)
• M14: 10,572,830 km (0.05 R)
• M15: 20,740,997 km (0.093 R)
• M16: 21,219,261 km (0.104 R)
• M17: 24,244,729 km (0.101 R)
• M18: 26,637,995 km (0.09 R)
• M19: 27,203,026 km (0.072 R)
• M20: 28,709,627 km (0.065 R)
• M21: 31,888,133 km (0.054 R)
• M22: 32,141,851 km (0.102 R)
• M23: 34,221,111 km (0.118 R)
• M24: 35,838,115 km (0.087 R)
• M25: 43,125,476 km (0.109 R)
• M26: 54,355,938 km (0.078 R)
• M27: 60,540,912 km (0.107 R)
• M28: 61,517,188 km (0.039 R)
• M29: 63,701,765 km (0.102 R)
• M30: 72,300,053 km (0.094 R)
• M31: 73,619,805 km (0.088 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: 269 - 10,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit