🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.45 AU - 0.61 AU

Year: 142 Days

Day: 33.9 Hours

Environment

Temp: 220 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.87 AU - 1.13 AU

Year: 367 Days

Day: 14.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 11.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.3 AU - 6.46 AU

Year: 4581 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 106,482,303 km

• M1: 165,904 km (0.071 R)
• M2: 873,652 km (0.119 R)
• M3: 1,250,189 km (0.047 R)
• M4: 1,915,152 km (0.095 R)
• M5: 2,534,637 km (0.103 R)
• M6: 3,037,884 km (0.088 R)
• M7: 4,482,850 km (0.073 R)
• M8: 6,296,874 km (0.111 R)
• M9: 7,124,299 km (0.1 R)
• M10: 7,886,201 km (0.083 R)
• M11: 8,789,025 km (0.065 R)
• M12: 11,208,770 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 12.2

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.6 AU - 9.64 AU

Year: 9290 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 106,482,303 km

• M1: 151,991 km (0.088 R)
• M2: 603,927 km (0.079 R)
• M3: 1,371,812 km (0.089 R)
• M4: 2,283,013 km (0.102 R)
• M5: 3,429,232 km (0.114 R)
• M6: 4,256,957 km (0.099 R)
• M7: 11,891,834 km (0.049 R)
• M8: 13,442,266 km (0.108 R)
• M9: 16,746,285 km (0.108 R)
• M10: 19,180,990 km (0.118 R)
• M11: 24,159,458 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 11.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.29 AU - 11.37 AU

Year: 12188 Days

Day: 13 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 106,482,303 km

• M1: 141,819 km (0.056 R)
• M2: 506,389 km (0.106 R)
• M3: 1,165,218 km (0.09 R)
• M4: 1,520,662 km (0.062 R)
• M5: 1,983,817 km (0.081 R)
• M6: 2,382,496 km (0.038 R)
• M7: 3,199,599 km (0.041 R)
• M8: 3,726,333 km (0.059 R)
• M9: 4,670,894 km (0.108 R)
• M10: 5,316,858 km (0.088 R)
• M11: 5,912,108 km (0.096 R)
• M12: 6,668,923 km (0.066 R)
• M13: 7,531,654 km (0.095 R)
• M14: 8,748,483 km (0.045 R)
• M15: 10,461,977 km (0.095 R)
• M16: 12,813,207 km (0.037 R)
• M17: 15,777,339 km (0.094 R)
• M18: 19,090,932 km (0.07 R)
• M19: 22,751,891 km (0.056 R)
• M20: 26,455,336 km (0.07 R)
• M21: 27,877,414 km (0.095 R)
• M22: 30,542,500 km (0.107 R)
• M23: 31,654,610 km (0.091 R)
• M24: 36,250,855 km (0.097 R)
• M25: 44,020,969 km (0.088 R)
• M26: 46,304,879 km (0.042 R)
• M27: 47,771,836 km (0.089 R)
• M28: 51,887,124 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.5

Radius: 4.3

Gravity: 41.24 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 11.7 AU - 13.04 AU

Year: 15971 Days

Day: 19.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 106,482,303 km

• M1: 71,209 km (0.115 R)
• M2: 220,358 km (0.09 R)
• M3: 867,967 km (0.058 R)
• M4: 1,463,965 km (0.116 R)
• M5: 1,623,436 km (0.046 R)
• M6: 4,361,526 km (0.105 R)
• M7: 6,029,841 km (0.116 R)
• M8: 9,479,867 km (0.106 R)
• M9: 11,214,455 km (0.075 R)
• M10: 13,423,417 km (0.107 R)
• M11: 17,011,671 km (0.103 R)
• M12: 19,462,982 km (0.105 R)
• M13: 20,088,152 km (0.039 R)
• M14: 21,756,916 km (0.051 R)
• M15: 35,696,894 km (0.104 R)
• M16: 45,799,987 km (0.1 R)
• M17: 47,382,732 km (0.099 R)
• M18: 50,156,576 km (0.096 R)
• M19: 58,938,420 km (0.117 R)
• M20: 64,867,282 km (0.114 R)
• M21: 67,265,187 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993

Radius: 4.2

Gravity: 56.29 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 18.05 AU - 19.05 AU

Year: 29328 Days

Day: 22.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 106,482,303 km

• M1: 54,603 km (0.099 R)
• M2: 212,579 km (0.12 R)
• M3: 363,672 km (0.12 R)
• M4: 863,479 km (0.065 R)
• M5: 1,726,359 km (0.075 R)
• M6: 2,004,911 km (0.061 R)
• M7: 2,570,241 km (0.073 R)
• M8: 4,774,865 km (0.117 R)
• M9: 5,322,543 km (0.083 R)
• M10: 8,885,366 km (0.059 R)
• M11: 9,387,566 km (0.117 R)
• M12: 10,041,757 km (0.108 R)
• M13: 10,243,714 km (0.072 R)
• M14: 12,805,428 km (0.119 R)
• M15: 15,404,691 km (0.113 R)
• M16: 20,196,760 km (0.084 R)
• M17: 21,841,140 km (0.116 R)
• M18: 23,691,366 km (0.064 R)
• M19: 24,049,503 km (0.074 R)
• M20: 27,964,629 km (0.059 R)
• M21: 29,039,639 km (0.106 R)
• M22: 32,137,961 km (0.106 R)
• M23: 34,220,214 km (0.104 R)
• M24: 36,075,078 km (0.101 R)
• M25: 36,232,604 km (0.096 R)
• M26: 40,321,712 km (0.071 R)
• M27: 46,734,674 km (0.106 R)
• M28: 47,109,566 km (0.06 R)
• M29: 50,575,001 km (0.062 R)
• M30: 52,977,244 km (0.053 R)
• M31: 74,224,629 km (0.082 R)
• M32: 74,991,019 km (0.105 R)
• M33: 79,167,792 km (0.084 R)
• M34: 84,325,926 km (0.064 R)
• M35: 85,719,730 km (0.082 R)
• M36: 95,908,092 km (0.09 R)
• M37: 108,505,580 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739

Radius: 5.9

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 15.92 AU - 23.3 AU

Year: 31878 Days

Day: 19.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,482,303 km

• M1: 73,303 km (0.112 R)
• M2: 365,318 km (0.1 R)
• M3: 614,847 km (0.089 R)
• M4: 1,817,165 km (0.077 R)
• M5: 2,009,099 km (0.097 R)
• M6: 2,917,757 km (0.088 R)
• M7: 3,399,312 km (0.085 R)
• M8: 3,967,336 km (0.089 R)
• M9: 5,205,258 km (0.053 R)
• M10: 5,419,781 km (0.045 R)
• M11: 7,569,353 km (0.083 R)
• M12: 7,900,862 km (0.119 R)
• M13: 13,941,026 km (0.075 R)
• M14: 15,915,269 km (0.089 R)
• M15: 16,922,212 km (0.043 R)
• M16: 19,779,531 km (0.059 R)
• M17: 27,190,610 km (0.096 R)
• M18: 27,448,068 km (0.094 R)
• M19: 29,027,073 km (0.081 R)
• M20: 30,804,745 km (0.116 R)
• M21: 33,976,519 km (0.11 R)
• M22: 37,359,375 km (0.12 R)
• M23: 46,968,944 km (0.073 R)
• M24: 47,154,146 km (0.088 R)
• M25: 48,463,577 km (0.086 R)
• M26: 52,537,127 km (0.104 R)
• M27: 54,554,753 km (0.098 R)
• M28: 56,833,129 km (0.074 R)
• M29: 58,102,317 km (0.093 R)
• M30: 74,332,340 km (0.079 R)
• M31: 84,018,203 km (0.037 R)
• M32: 91,305,714 km (0.112 R)
• M33: 92,172,783 km (0.113 R)
• M34: 94,511,746 km (0.066 R)
• M35: 95,993,363 km (0.081 R)
• M36: 97,490,539 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit