🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.58 AU - 0.58 AU

Year: 290 Days

Day: 21.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 11

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.14 AU - 1.3 AU

Year: 884 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,552,317 km

• M1: 136,882 km (0.087 R)
• M2: 713,283 km (0.091 R)
• M3: 1,148,014 km (0.115 R)
• M4: 1,570,628 km (0.091 R)
• M5: 2,087,489 km (0.12 R)
• M6: 2,555,880 km (0.091 R)
• M7: 3,106,699 km (0.116 R)
• M8: 3,691,926 km (0.117 R)
• M9: 4,111,548 km (0.071 R)
• M10: 5,603,936 km (0.113 R)
• M11: 6,242,719 km (0.119 R)
• M12: 7,737,052 km (0.09 R)
• M13: 8,102,071 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 11.7

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.43 AU - 1.51 AU

Year: 1169 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,552,317 km

• M1: 145,559 km (0.084 R)
• M2: 579,393 km (0.054 R)
• M3: 945,608 km (0.115 R)
• M4: 1,409,212 km (0.079 R)
• M5: 1,860,100 km (0.056 R)
• M6: 2,629,482 km (0.101 R)
• M7: 3,616,080 km (0.043 R)
• M8: 4,012,364 km (0.117 R)
• M9: 4,511,573 km (0.09 R)
• M10: 4,972,184 km (0.114 R)
• M11: 5,400,782 km (0.03 R)
• M12: 5,943,224 km (0.085 R)
• M13: 6,788,153 km (0.089 R)
• M14: 7,368,892 km (0.089 R)
• M15: 8,600,681 km (0.082 R)
• M16: 9,160,326 km (0.043 R)
• M17: 10,319,860 km (0.055 R)
• M18: 10,783,164 km (0.04 R)
• M19: 12,515,657 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 11.3

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.75 AU - 2.83 AU

Year: 3057 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,552,317 km

• M1: 140,472 km (0.088 R)
• M2: 731,234 km (0.102 R)
• M3: 1,090,419 km (0.096 R)
• M4: 1,721,423 km (0.116 R)
• M5: 2,368,882 km (0.113 R)
• M6: 2,891,428 km (0.037 R)
• M7: 3,346,355 km (0.051 R)
• M8: 3,927,243 km (0.107 R)
• M9: 4,820,791 km (0.107 R)
• M10: 5,614,109 km (0.036 R)
• M11: 6,108,979 km (0.074 R)
• M12: 6,862,354 km (0.091 R)
• M13: 7,490,365 km (0.099 R)
• M14: 8,723,650 km (0.108 R)
• M15: 10,508,203 km (0.053 R)
• M16: 10,940,092 km (0.073 R)
• M17: 11,630,935 km (0.083 R)
• M18: 13,235,223 km (0.105 R)
• M19: 16,771,567 km (0.102 R)
• M20: 19,924,492 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.7

Radius: 10.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.85 AU - 4.63 AU

Year: 4745 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,552,317 km

• M1: 131,646 km (0.111 R)
• M2: 602,580 km (0.093 R)
• M3: 1,567,187 km (0.119 R)
• M4: 2,214,796 km (0.109 R)
• M5: 3,222,338 km (0.116 R)
• M6: 4,609,709 km (0.068 R)
• M7: 5,878,897 km (0.116 R)
• M8: 7,031,698 km (0.057 R)
• M9: 15,812,345 km (0.054 R)
• M10: 18,400,987 km (0.088 R)
• M11: 21,893,798 km (0.117 R)
• M12: 25,726,196 km (0.105 R)
• M13: 26,446,061 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 8.2

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.02 AU - 6.52 AU

Year: 7936 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,552,317 km

• M1: 102,175 km (0.054 R)
• M2: 392,096 km (0.052 R)
• M3: 842,984 km (0.102 R)
• M4: 2,155,855 km (0.061 R)
• M5: 3,524,825 km (0.043 R)
• M6: 3,871,892 km (0.116 R)
• M7: 4,692,736 km (0.101 R)
• M8: 5,051,920 km (0.103 R)
• M9: 7,365,601 km (0.115 R)
• M10: 9,068,324 km (0.1 R)
• M11: 9,817,809 km (0.102 R)
• M12: 11,227,769 km (0.061 R)
• M13: 13,588,573 km (0.095 R)
• M14: 14,257,724 km (0.095 R)
• M15: 22,121,187 km (0.077 R)
• M16: 24,795,249 km (0.106 R)
• M17: 30,672,351 km (0.073 R)
• M18: 32,034,738 km (0.102 R)
• M19: 36,247,863 km (0.079 R)
• M20: 39,090,971 km (0.115 R)
• M21: 42,849,468 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 14

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.04 AU - 6.68 AU

Year: 8141 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,552,317 km

• M1: 174,132 km (0.116 R)
• M2: 622,477 km (0.089 R)
• M3: 1,444,367 km (0.072 R)
• M4: 2,669,424 km (0.11 R)
• M5: 3,652,432 km (0.081 R)
• M6: 10,632,070 km (0.101 R)
• M7: 13,913,649 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 13

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.07 AU - 5.75 AU

Year: 8255 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,552,317 km

• M1: 161,715 km (0.108 R)
• M2: 602,281 km (0.105 R)
• M3: 1,329,925 km (0.05 R)
• M4: 1,808,937 km (0.075 R)
• M5: 2,221,379 km (0.111 R)
• M6: 2,924,788 km (0.116 R)
• M7: 3,686,989 km (0.089 R)
• M8: 6,437,944 km (0.084 R)
• M9: 7,978,503 km (0.112 R)
• M10: 10,341,252 km (0.049 R)
• M11: 12,059,533 km (0.095 R)
• M12: 12,738,408 km (0.101 R)
• M13: 13,391,403 km (0.115 R)
• M14: 14,547,196 km (0.09 R)
• M15: 19,315,479 km (0.093 R)
• M16: 20,584,517 km (0.08 R)
• M17: 22,919,740 km (0.045 R)
• M18: 26,705,613 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.3

Radius: 8

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.54 AU - 7.32 AU

Year: 11968 Days

Day: 24.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,552,317 km

• M1: 100,231 km (0.115 R)
• M2: 494,421 km (0.086 R)
• M3: 780,153 km (0.104 R)
• M4: 1,064,538 km (0.082 R)
• M5: 5,615,156 km (0.104 R)
• M6: 7,180,847 km (0.113 R)
• M7: 8,497,309 km (0.101 R)
• M8: 10,386,730 km (0.094 R)
• M9: 11,542,972 km (0.118 R)
• M10: 14,043,949 km (0.104 R)
• M11: 15,317,027 km (0.115 R)
• M12: 15,594,531 km (0.029 R)
• M13: 16,738,356 km (0.093 R)
• M14: 19,192,060 km (0.109 R)
• M15: 22,405,572 km (0.067 R)
• M16: 25,279,347 km (0.103 R)
• M17: 26,854,763 km (0.12 R)
• M18: 34,878,594 km (0.069 R)
• M19: 47,676,243 km (0.093 R)
• M20: 50,994,473 km (0.076 R)
• M21: 51,458,526 km (0.114 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: 421 - 13,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit