🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 9.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.6 AU - 0.82 AU

Year: 386 Days

Day: 11.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,429,116 km

• M1: 119,379 km (0.119 R)
• M2: 645,365 km (0.108 R)
• M3: 1,174,642 km (0.105 R)
• M4: 1,489,396 km (0.104 R)
• M5: 2,483,624 km (0.075 R)
• M6: 3,114,179 km (0.071 R)
• M7: 3,427,138 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 8.2

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.72 AU - 2.14 AU

Year: 1731 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,429,116 km

• M1: 102,923 km (0.105 R)
• M2: 383,868 km (0.096 R)
• M3: 734,825 km (0.05 R)
• M4: 1,093,411 km (0.087 R)
• M5: 1,798,166 km (0.117 R)
• M6: 2,135,061 km (0.088 R)
• M7: 2,513,693 km (0.12 R)
• M8: 2,892,325 km (0.05 R)
• M9: 3,608,151 km (0.087 R)
• M10: 4,300,340 km (0.099 R)
• M11: 4,576,498 km (0.04 R)
• M12: 5,500,415 km (0.118 R)
• M13: 6,517,830 km (0.1 R)
• M14: 6,777,532 km (0.101 R)
• M15: 7,626,948 km (0.084 R)
• M16: 8,003,636 km (0.076 R)
• M17: 8,362,222 km (0.084 R)
• M18: 9,736,428 km (0.082 R)
• M19: 10,389,123 km (0.113 R)
• M20: 10,780,172 km (0.112 R)
• M21: 11,070,691 km (0.096 R)
• M22: 13,671,450 km (0.102 R)
• M23: 14,012,085 km (0.093 R)
• M24: 14,358,254 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 9.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.06 AU - 5.78 AU

Year: 7046 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 59.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,429,116 km

• M1: 115,938 km (0.039 R)
• M2: 432,637 km (0.034 R)
• M3: 988,692 km (0.053 R)
• M4: 1,314,367 km (0.112 R)
• M5: 1,827,338 km (0.117 R)
• M6: 2,436,800 km (0.084 R)
• M7: 4,482,551 km (0.11 R)
• M8: 5,041,448 km (0.08 R)
• M9: 5,393,153 km (0.109 R)
• M10: 8,943,410 km (0.116 R)
• M11: 9,788,189 km (0.114 R)
• M12: 13,549,378 km (0.094 R)
• M13: 13,861,440 km (0.098 R)
• M14: 15,381,354 km (0.091 R)
• M15: 16,651,290 km (0.113 R)
• M16: 21,718,320 km (0.066 R)
• M17: 23,989,215 km (0.111 R)
• M18: 28,146,540 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.9

Radius: 4.5

Gravity: 20.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.12 AU - 10.02 AU

Year: 14802 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,429,116 km

• M1: 56,099 km (0.074 R)
• M2: 387,758 km (0.089 R)
• M3: 744,848 km (0.065 R)
• M4: 2,322,208 km (0.117 R)
• M5: 2,797,480 km (0.06 R)
• M6: 4,022,388 km (0.071 R)
• M7: 6,108,979 km (0.115 R)
• M8: 7,858,077 km (0.072 R)
• M9: 9,558,406 km (0.118 R)
• M10: 17,954,437 km (0.113 R)
• M11: 27,803,811 km (0.099 R)
• M12: 35,405,328 km (0.107 R)
• M13: 43,030,481 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.6

Radius: 6.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.39 AU - 12.79 AU

Year: 23846 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 169.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,429,116 km

• M1: 79,586 km (0.116 R)
• M2: 303,983 km (0.055 R)
• M3: 607,068 km (0.114 R)
• M4: 1,513,482 km (0.09 R)
• M5: 2,874,822 km (0.094 R)
• M6: 4,056,197 km (0.109 R)
• M7: 5,932,004 km (0.118 R)
• M8: 7,530,458 km (0.108 R)
• M9: 8,758,207 km (0.118 R)
• M10: 10,511,345 km (0.067 R)
• M11: 11,711,868 km (0.08 R)
• M12: 12,655,980 km (0.093 R)
• M13: 17,012,719 km (0.108 R)
• M14: 23,806,706 km (0.08 R)
• M15: 26,234,530 km (0.07 R)
• M16: 26,795,671 km (0.111 R)
• M17: 34,388,661 km (0.091 R)
• M18: 36,546,610 km (0.089 R)
• M19: 37,717,812 km (0.093 R)
• M20: 41,381,464 km (0.103 R)
• M21: 43,169,607 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 19,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit