🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 13.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,610,779 km

• M1: 169,195 km (0.043 R)
• M2: 748,139 km (0.093 R)
• M3: 1,281,007 km (0.069 R)
• M4: 1,727,556 km (0.117 R)
• M5: 2,172,610 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 9.1

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.07 AU - 1.45 AU

Year: 976 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,610,779 km

• M1: 113,246 km (0.103 R)
• M2: 396,285 km (0.099 R)
• M3: 683,064 km (0.11 R)
• M4: 1,021,305 km (0.03 R)
• M5: 1,338,602 km (0.101 R)
• M6: 1,722,171 km (0.087 R)
• M7: 2,276,880 km (0.113 R)
• M8: 2,627,088 km (0.054 R)
• M9: 3,013,200 km (0.105 R)
• M10: 3,422,201 km (0.073 R)
• M11: 4,636,188 km (0.098 R)
• M12: 5,543,499 km (0.037 R)
• M13: 6,587,841 km (0.112 R)
• M14: 7,132,378 km (0.107 R)
• M15: 7,757,996 km (0.1 R)
• M16: 8,501,497 km (0.063 R)
• M17: 10,007,499 km (0.077 R)
• M18: 10,410,217 km (0.09 R)
• M19: 10,727,364 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 8.9

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.25 AU - 1.49 AU

Year: 1107 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,610,779 km

• M1: 110,702 km (0.08 R)
• M2: 400,324 km (0.059 R)
• M3: 816,954 km (0.068 R)
• M4: 1,146,668 km (0.091 R)
• M5: 1,462,469 km (0.112 R)
• M6: 1,836,763 km (0.093 R)
• M7: 2,415,407 km (0.105 R)
• M8: 2,969,967 km (0.094 R)
• M9: 3,270,509 km (0.106 R)
• M10: 3,933,227 km (0.1 R)
• M11: 4,278,948 km (0.104 R)
• M12: 4,758,708 km (0.055 R)
• M13: 5,212,588 km (0.094 R)
• M14: 6,345,942 km (0.066 R)
• M15: 6,774,091 km (0.098 R)
• M16: 7,400,756 km (0.089 R)
• M17: 7,768,318 km (0.1 R)
• M18: 9,917,292 km (0.069 R)
• M19: 10,299,664 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.4

Radius: 11

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.26 AU - 1.92 AU

Year: 1384 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,610,779 km

• M1: 136,882 km (0.078 R)
• M2: 512,074 km (0.088 R)
• M3: 1,059,751 km (0.086 R)
• M4: 1,519,914 km (0.095 R)
• M5: 2,458,641 km (0.086 R)
• M6: 3,024,719 km (0.066 R)
• M7: 4,486,291 km (0.095 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.7

Radius: 3.3

Gravity: 25.68 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.61 AU - 7.15 AU

Year: 11124 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,610,779 km

• M1: 40,990 km (0.072 R)
• M2: 159,771 km (0.119 R)
• M3: 328,218 km (0.088 R)
• M4: 766,988 km (0.088 R)
• M5: 1,487,601 km (0.098 R)
• M6: 2,052,034 km (0.088 R)
• M7: 3,180,002 km (0.104 R)
• M8: 4,179,914 km (0.031 R)
• M9: 5,848,080 km (0.089 R)
• M10: 8,402,464 km (0.071 R)
• M11: 12,138,222 km (0.03 R)
• M12: 14,937,347 km (0.059 R)
• M13: 15,369,536 km (0.073 R)
• M14: 16,258,446 km (0.068 R)
• M15: 17,792,423 km (0.092 R)
• M16: 20,382,859 km (0.039 R)
• M17: 21,454,728 km (0.12 R)
• M18: 25,501,351 km (0.085 R)
• M19: 28,401,455 km (0.083 R)
• M20: 34,310,720 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.1

Radius: 6.7

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.57 AU - 11.19 AU

Year: 21436 Days

Day: 23.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,610,779 km

• M1: 85,420 km (0.105 R)
• M2: 547,229 km (0.066 R)
• M3: 1,043,894 km (0.061 R)
• M4: 1,297,762 km (0.099 R)
• M5: 3,272,902 km (0.108 R)
• M6: 4,728,789 km (0.106 R)
• M7: 5,468,401 km (0.111 R)
• M8: 5,885,330 km (0.077 R)
• M9: 7,721,494 km (0.104 R)
• M10: 13,201,563 km (0.032 R)
• M11: 14,161,084 km (0.081 R)
• M12: 14,372,615 km (0.079 R)
• M13: 20,105,505 km (0.117 R)
• M14: 21,373,497 km (0.116 R)
• M15: 23,276,082 km (0.048 R)
• M16: 24,369,344 km (0.088 R)
• M17: 24,979,852 km (0.099 R)
• M18: 25,496,414 km (0.069 R)
• M19: 26,657,742 km (0.092 R)
• M20: 31,297,670 km (0.112 R)
• M21: 36,053,685 km (0.031 R)
• M22: 36,316,529 km (0.087 R)
• M23: 40,273,392 km (0.042 R)
• M24: 58,250,269 km (0.052 R)
• M25: 63,265,239 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 18,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit