🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.81 AU - 1.05 AU

Year: 342 Days

Day: 40.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 96,515,611 km

• M1: 612,603 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.35 AU - 1.45 AU

Year: 631 Days

Day: 23.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.46 AU - 4.04 AU

Year: 2231 Days

Day: 38.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.7

Radius: 9.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.57 AU - 7.63 AU

Year: 7978 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,515,611 km

• M1: 121,922 km (0.054 R)
• M2: 467,493 km (0.093 R)
• M3: 1,199,625 km (0.039 R)
• M4: 1,831,228 km (0.087 R)
• M5: 2,244,716 km (0.071 R)
• M6: 2,752,900 km (0.08 R)
• M7: 3,374,180 km (0.09 R)
• M8: 6,117,057 km (0.069 R)
• M9: 7,933,025 km (0.1 R)
• M10: 9,805,093 km (0.072 R)
• M11: 10,244,462 km (0.106 R)
• M12: 11,999,544 km (0.071 R)
• M13: 12,318,038 km (0.086 R)
• M14: 14,657,001 km (0.11 R)
• M15: 15,126,439 km (0.066 R)
• M16: 15,552,045 km (0.086 R)
• M17: 15,985,580 km (0.119 R)
• M18: 16,371,692 km (0.115 R)
• M19: 16,990,728 km (0.109 R)
• M20: 19,750,509 km (0.094 R)
• M21: 22,040,853 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.4

Radius: 9.1

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.22 AU - 10.56 AU

Year: 10957 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,515,611 km

• M1: 113,545 km (0.078 R)
• M2: 566,378 km (0.043 R)
• M3: 875,148 km (0.051 R)
• M4: 1,378,245 km (0.069 R)
• M5: 1,696,889 km (0.106 R)
• M6: 2,011,643 km (0.084 R)
• M7: 2,917,607 km (0.101 R)
• M8: 4,248,430 km (0.036 R)
• M9: 6,679,844 km (0.102 R)
• M10: 7,604,658 km (0.096 R)
• M11: 8,470,082 km (0.117 R)
• M12: 8,756,562 km (0.104 R)
• M13: 10,835,523 km (0.104 R)
• M14: 15,942,196 km (0.08 R)
• M15: 18,529,192 km (0.068 R)
• M16: 19,094,523 km (0.045 R)
• M17: 21,737,468 km (0.107 R)
• M18: 22,275,871 km (0.065 R)
• M19: 23,007,405 km (0.118 R)
• M20: 24,326,110 km (0.118 R)
• M21: 26,702,921 km (0.108 R)
• M22: 29,447,742 km (0.066 R)
• M23: 32,959,852 km (0.071 R)
• M24: 33,313,950 km (0.095 R)
• M25: 35,368,228 km (0.109 R)
• M26: 38,540,600 km (0.092 R)
• M27: 40,128,731 km (0.11 R)
• M28: 46,769,680 km (0.115 R)
• M29: 47,216,978 km (0.109 R)
• M30: 48,423,335 km (0.116 R)
• M31: 55,262,201 km (0.075 R)
• M32: 55,595,057 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 14.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.25 AU - 12.17 AU

Year: 12423 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,515,611 km

• M1: 194,028 km (0.106 R)
• M2: 651,948 km (0.104 R)
• M3: 1,472,492 km (0.092 R)
• M4: 2,193,703 km (0.099 R)
• M5: 3,054,789 km (0.086 R)
• M6: 4,523,840 km (0.099 R)
• M7: 7,389,536 km (0.028 R)
• M8: 8,057,042 km (0.099 R)
• M9: 8,994,123 km (0.111 R)
• M10: 9,755,876 km (0.065 R)
• M11: 10,253,588 km (0.108 R)
• M12: 11,085,202 km (0.104 R)
• M13: 15,529,905 km (0.112 R)
• M14: 17,629,810 km (0.104 R)
• M15: 20,715,864 km (0.096 R)
• M16: 21,373,796 km (0.11 R)
• M17: 24,145,994 km (0.092 R)
• M18: 37,767,478 km (0.087 R)
• M19: 45,695,418 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 4.4

Gravity: 44.12 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 12.69 AU - 16.51 AU

Year: 21243 Days

Day: 18.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,515,611 km

• M1: 54,753 km (0.081 R)
• M2: 303,833 km (0.113 R)
• M3: 511,326 km (0.107 R)
• M4: 778,059 km (0.119 R)
• M5: 1,450,950 km (0.073 R)
• M6: 1,604,736 km (0.104 R)
• M7: 3,834,493 km (0.11 R)
• M8: 4,767,086 km (0.069 R)
• M9: 5,226,501 km (0.116 R)
• M10: 6,322,305 km (0.096 R)
• M11: 9,775,174 km (0.087 R)
• M12: 9,956,636 km (0.075 R)
• M13: 11,093,281 km (0.091 R)
• M14: 11,490,612 km (0.094 R)
• M15: 12,956,372 km (0.095 R)
• M16: 13,248,986 km (0.065 R)
• M17: 13,847,527 km (0.105 R)
• M18: 15,422,344 km (0.094 R)
• M19: 21,258,456 km (0.094 R)
• M20: 22,390,463 km (0.069 R)
• M21: 24,218,100 km (0.113 R)
• M22: 26,845,637 km (0.099 R)
• M23: 27,441,037 km (0.103 R)
• M24: 28,534,747 km (0.061 R)
• M25: 31,461,180 km (0.104 R)
• M26: 31,724,772 km (0.096 R)
• M27: 34,163,367 km (0.104 R)
• M28: 34,441,768 km (0.101 R)
• M29: 36,433,365 km (0.089 R)
• M30: 37,901,967 km (0.097 R)
• M31: 38,050,966 km (0.073 R)
• M32: 38,500,358 km (0.053 R)
• M33: 39,409,764 km (0.1 R)
• M34: 43,028,237 km (0.091 R)
• M35: 53,122,952 km (0.049 R)
• M36: 60,526,999 km (0.114 R)
• M37: 63,419,175 km (0.063 R)
• M38: 64,262,159 km (0.076 R)
• M39: 67,053,506 km (0.081 R)
• M40: 74,733,561 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.6

Radius: 7.6

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16.01 AU - 17.17 AU

Year: 25732 Days

Day: 16.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 148.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,515,611 km

• M1: 99,333 km (0.094 R)
• M2: 376,538 km (0.118 R)
• M3: 1,378,096 km (0.057 R)
• M4: 1,868,627 km (0.091 R)
• M5: 5,511,634 km (0.089 R)
• M6: 9,357,945 km (0.116 R)
• M7: 10,298,168 km (0.118 R)
• M8: 11,931,477 km (0.117 R)
• M9: 19,596,872 km (0.118 R)
• M10: 23,409,524 km (0.086 R)
• M11: 23,861,459 km (0.116 R)
• M12: 30,950,603 km (0.106 R)
• M13: 41,426,493 km (0.036 R)
• M14: 42,421,019 km (0.086 R)
• M15: 46,204,200 km (0.111 R)
• M16: 46,915,388 km (0.116 R)
• M17: 57,039,873 km (0.061 R)
• M18: 61,210,063 km (0.102 R)
• M19: 68,068,378 km (0.052 R)
• M20: 74,687,934 km (0.101 R)
• M21: 82,502,777 km (0.04 R)
• M22: 91,402,055 km (0.114 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit