🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.6

Radius: 11.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,114,384 km

• M1: 146,756 km (0.109 R)
• M2: 607,966 km (0.075 R)
• M3: 1,246,449 km (0.057 R)
• M4: 1,805,497 km (0.101 R)
• M5: 2,440,240 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 8.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.64 AU - 1 AU

Year: 504 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,114,384 km

• M1: 105,766 km (0.079 R)
• M2: 394,041 km (0.118 R)
• M3: 835,953 km (0.111 R)
• M4: 1,318,406 km (0.081 R)
• M5: 1,970,354 km (0.089 R)
• M6: 2,297,375 km (0.079 R)
• M7: 2,989,414 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 10.4

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.08 AU - 1.52 AU

Year: 1005 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,114,384 km

• M1: 129,402 km (0.062 R)
• M2: 631,453 km (0.108 R)
• M3: 1,090,269 km (0.115 R)
• M4: 1,562,550 km (0.072 R)
• M5: 2,062,955 km (0.104 R)
• M6: 2,461,783 km (0.101 R)
• M7: 3,074,087 km (0.081 R)
• M8: 4,078,936 km (0.047 R)
• M9: 4,712,632 km (0.097 R)
• M10: 5,269,735 km (0.083 R)
• M11: 5,848,678 km (0.104 R)
• M12: 7,257,442 km (0.09 R)
• M13: 8,107,905 km (0.116 R)
• M14: 8,908,852 km (0.104 R)
• M15: 9,255,321 km (0.066 R)
• M16: 10,507,904 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.8

Radius: 14

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.47 AU - 1.59 AU

Year: 1284 Days

Day: 15 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,114,384 km

• M1: 182,061 km (0.101 R)
• M2: 868,266 km (0.093 R)
• M3: 1,310,178 km (0.102 R)
• M4: 4,335,197 km (0.1 R)
• M5: 5,233,083 km (0.058 R)
• M6: 5,767,596 km (0.098 R)
• M7: 7,971,173 km (0.11 R)
• M8: 9,065,781 km (0.103 R)
• M9: 10,017,672 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 9.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.43 AU - 2.25 AU

Year: 1693 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 153.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,114,384 km

• M1: 119,977 km (0.101 R)
• M2: 679,922 km (0.04 R)
• M3: 1,014,872 km (0.095 R)
• M4: 1,617,751 km (0.049 R)
• M5: 2,223,024 km (0.102 R)
• M6: 2,810,645 km (0.109 R)
• M7: 3,301,775 km (0.093 R)
• M8: 4,050,662 km (0.12 R)
• M9: 4,511,273 km (0.078 R)
• M10: 4,928,053 km (0.066 R)
• M11: 5,288,135 km (0.102 R)
• M12: 6,451,558 km (0.062 R)
• M13: 9,337,151 km (0.075 R)
• M14: 10,238,628 km (0.11 R)
• M15: 11,196,952 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.9

Radius: 7.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.2 AU - 10 AU

Year: 17106 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,114,384 km

• M1: 92,152 km (0.097 R)
• M2: 393,592 km (0.074 R)
• M3: 650,452 km (0.111 R)
• M4: 973,882 km (0.115 R)
• M5: 2,796,583 km (0.115 R)
• M6: 3,788,267 km (0.049 R)
• M7: 6,196,194 km (0.04 R)
• M8: 6,844,551 km (0.118 R)
• M9: 9,944,070 km (0.103 R)
• M10: 25,579,142 km (0.098 R)
• M11: 26,864,038 km (0.103 R)
• M12: 27,522,268 km (0.113 R)
• M13: 39,448,809 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 6.9

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.04 AU - 11.36 AU

Year: 20490 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,114,384 km

• M1: 93,947 km (0.089 R)
• M2: 621,729 km (0.1 R)
• M3: 908,358 km (0.089 R)
• M4: 1,268,740 km (0.078 R)
• M5: 1,498,073 km (0.063 R)
• M6: 1,772,286 km (0.088 R)
• M7: 2,338,813 km (0.056 R)
• M8: 2,709,965 km (0.069 R)
• M9: 3,460,498 km (0.115 R)
• M10: 4,278,948 km (0.088 R)
• M11: 4,567,672 km (0.097 R)
• M12: 4,869,261 km (0.083 R)
• M13: 5,475,432 km (0.087 R)
• M14: 5,701,025 km (0.11 R)
• M15: 6,051,084 km (0.062 R)
• M16: 8,711,982 km (0.036 R)
• M17: 10,439,687 km (0.105 R)
• M18: 12,642,815 km (0.073 R)
• M19: 13,509,286 km (0.109 R)
• M20: 14,918,797 km (0.06 R)
• M21: 15,583,909 km (0.103 R)
• M22: 16,423,602 km (0.037 R)
• M23: 18,951,806 km (0.075 R)
• M24: 19,209,414 km (0.064 R)
• M25: 19,469,415 km (0.094 R)
• M26: 19,731,660 km (0.055 R)
• M27: 21,170,791 km (0.054 R)
• M28: 24,155,867 km (0.06 R)
• M29: 25,383,019 km (0.112 R)
• M30: 29,427,846 km (0.112 R)
• M31: 33,882,422 km (0.108 R)
• M32: 34,644,623 km (0.077 R)
• M33: 37,944,303 km (0.092 R)
• M34: 39,460,328 km (0.098 R)
• M35: 39,880,698 km (0.081 R)
• M36: 41,736,908 km (0.09 R)
• M37: 43,649,816 km (0.053 R)
• M38: 46,549,771 km (0.11 R)
• M39: 60,729,854 km (0.104 R)
• M40: 61,290,248 km (0.071 R)
• M41: 62,042,725 km (0.099 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: 354 - 13,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit