🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.42 AU - 0.68 AU

Year: 263 Days

Day: 19.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,212,489 km

• M1: 130,449 km (0.112 R)

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 13.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.94 AU - 1.28 AU

Year: 755 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,212,489 km

• M1: 170,392 km (0.103 R)
• M2: 748,887 km (0.065 R)
• M3: 1,238,222 km (0.038 R)
• M4: 1,802,654 km (0.101 R)
• M5: 2,384,440 km (0.066 R)
• M6: 2,864,799 km (0.106 R)
• M7: 3,437,609 km (0.103 R)
• M8: 4,625,566 km (0.096 R)
• M9: 5,249,240 km (0.043 R)
• M10: 5,848,080 km (0.115 R)
• M11: 8,298,942 km (0.072 R)
• M12: 9,032,719 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 11.3

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.01 AU - 1.35 AU

Year: 828 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,212,489 km

• M1: 140,622 km (0.108 R)
• M2: 559,945 km (0.038 R)
• M3: 951,442 km (0.026 R)
• M4: 1,396,347 km (0.091 R)
• M5: 2,287,501 km (0.058 R)
• M6: 2,697,399 km (0.085 R)
• M7: 3,425,941 km (0.081 R)
• M8: 5,291,875 km (0.08 R)
• M9: 5,793,776 km (0.048 R)
• M10: 7,375,025 km (0.109 R)
• M11: 9,117,691 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 13.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.55 AU - 1.89 AU

Year: 1456 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,212,489 km

• M1: 183,407 km (0.075 R)
• M2: 758,312 km (0.08 R)
• M3: 1,570,778 km (0.1 R)
• M4: 2,145,383 km (0.075 R)
• M5: 2,597,917 km (0.082 R)
• M6: 3,114,628 km (0.104 R)
• M7: 3,577,035 km (0.109 R)
• M8: 4,729,836 km (0.045 R)
• M9: 5,473,636 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 12.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.86 AU - 3.7 AU

Year: 3836 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,212,489 km

• M1: 162,912 km (0.051 R)
• M2: 681,568 km (0.103 R)
• M3: 1,193,641 km (0.11 R)
• M4: 1,963,622 km (0.031 R)
• M5: 3,942,053 km (0.115 R)
• M6: 4,672,839 km (0.049 R)
• M7: 5,083,485 km (0.103 R)
• M8: 5,758,770 km (0.058 R)
• M9: 6,463,526 km (0.111 R)
• M10: 7,037,233 km (0.088 R)
• M11: 7,579,077 km (0.075 R)
• M12: 8,251,968 km (0.114 R)
• M13: 13,254,671 km (0.082 R)
• M14: 14,790,741 km (0.109 R)
• M15: 18,273,380 km (0.098 R)
• M16: 20,173,123 km (0.111 R)
• M17: 22,746,057 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 13

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.94 AU - 6.56 AU

Year: 7767 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,212,489 km

• M1: 161,865 km (0.101 R)
• M2: 596,896 km (0.061 R)
• M3: 1,353,861 km (0.047 R)
• M4: 2,565,454 km (0.097 R)
• M5: 3,689,981 km (0.066 R)
• M6: 4,919,676 km (0.058 R)
• M7: 5,660,335 km (0.078 R)
• M8: 8,054,798 km (0.064 R)
• M9: 8,662,764 km (0.063 R)
• M10: 9,520,857 km (0.095 R)
• M11: 10,200,929 km (0.102 R)
• M12: 12,278,844 km (0.099 R)
• M13: 13,195,430 km (0.107 R)
• M14: 14,099,151 km (0.083 R)
• M15: 15,779,583 km (0.098 R)
• M16: 19,106,490 km (0.064 R)
• M17: 20,263,181 km (0.04 R)
• M18: 21,851,462 km (0.099 R)
• M19: 26,490,941 km (0.072 R)
• M20: 35,152,508 km (0.059 R)
• M21: 36,230,211 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.5

Radius: 5.7

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.57 AU - 7.09 AU

Year: 10283 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,212,489 km

• M1: 70,909 km (0.037 R)
• M2: 578,645 km (0.036 R)
• M3: 2,087,788 km (0.073 R)
• M4: 3,513,605 km (0.076 R)
• M5: 3,927,393 km (0.108 R)
• M6: 5,333,314 km (0.097 R)
• M7: 6,533,238 km (0.076 R)
• M8: 7,349,444 km (0.082 R)
• M9: 14,017,171 km (0.084 R)
• M10: 20,393,032 km (0.053 R)
• M11: 21,011,171 km (0.055 R)
• M12: 21,324,877 km (0.068 R)
• M13: 29,236,660 km (0.105 R)
• M14: 32,359,067 km (0.093 R)
• M15: 34,705,060 km (0.112 R)
• M16: 37,162,205 km (0.11 R)
• M17: 38,199,816 km (0.067 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: 369 - 12,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit