🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 11.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,656,017 km

• M1: 138,079 km (0.095 R)
• M2: 499,358 km (0.068 R)
• M3: 942,467 km (0.112 R)
• M4: 1,481,169 km (0.061 R)
• M5: 1,888,075 km (0.059 R)
• M6: 2,494,245 km (0.112 R)
• M7: 3,401,407 km (0.103 R)
• M8: 4,013,262 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 10.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,656,017 km

• M1: 128,654 km (0.091 R)
• M2: 472,131 km (0.12 R)
• M3: 852,708 km (0.043 R)
• M4: 1,201,869 km (0.116 R)
• M5: 1,540,110 km (0.1 R)
• M6: 2,021,965 km (0.072 R)
• M7: 2,535,983 km (0.069 R)
• M8: 3,428,484 km (0.082 R)
• M9: 3,941,006 km (0.111 R)
• M10: 4,588,615 km (0.071 R)
• M11: 5,135,246 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 9.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.79 AU - 0.83 AU

Year: 486 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,656,017 km

• M1: 114,442 km (0.107 R)
• M2: 699,370 km (0.035 R)
• M3: 1,337,854 km (0.11 R)
• M4: 1,846,935 km (0.058 R)
• M5: 2,546,605 km (0.115 R)
• M6: 3,152,177 km (0.075 R)
• M7: 3,863,365 km (0.048 R)
• M8: 4,750,480 km (0.12 R)
• M9: 5,110,413 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 12.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.05 AU - 2.53 AU

Year: 2311 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,656,017 km

• M1: 160,668 km (0.104 R)
• M2: 628,311 km (0.113 R)
• M3: 1,218,774 km (0.091 R)
• M4: 2,625,293 km (0.054 R)
• M5: 3,340,371 km (0.05 R)
• M6: 3,780,787 km (0.103 R)
• M7: 4,967,397 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 14.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.22 AU - 2.76 AU

Year: 2620 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,656,017 km

• M1: 185,501 km (0.101 R)
• M2: 658,679 km (0.054 R)
• M3: 1,175,839 km (0.097 R)
• M4: 1,663,977 km (0.117 R)
• M5: 2,355,119 km (0.085 R)
• M6: 2,979,840 km (0.071 R)
• M7: 4,757,063 km (0.093 R)
• M8: 5,313,118 km (0.106 R)
• M9: 6,993,551 km (0.115 R)
• M10: 11,342,062 km (0.052 R)
• M11: 14,102,591 km (0.04 R)
• M12: 16,824,674 km (0.058 R)

Asteroid Belt

Center: 5.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.8

Radius: 7.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.24 AU - 8.96 AU

Year: 15373 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,656,017 km

• M1: 103,821 km (0.101 R)
• M2: 357,389 km (0.068 R)
• M3: 615,745 km (0.105 R)
• M4: 1,099,694 km (0.1 R)
• M5: 1,468,453 km (0.097 R)
• M6: 3,729,774 km (0.114 R)
• M7: 4,484,196 km (0.068 R)
• M8: 5,246,547 km (0.07 R)
• M9: 5,518,965 km (0.063 R)
• M10: 6,461,730 km (0.098 R)
• M11: 7,245,474 km (0.075 R)
• M12: 8,620,727 km (0.049 R)
• M13: 9,391,904 km (0.065 R)
• M14: 12,723,449 km (0.064 R)
• M15: 14,008,345 km (0.104 R)
• M16: 17,161,718 km (0.072 R)
• M17: 17,628,613 km (0.083 R)
• M18: 18,035,370 km (0.061 R)
• M19: 18,657,248 km (0.112 R)
• M20: 20,833,897 km (0.064 R)
• M21: 21,905,467 km (0.036 R)
• M22: 23,013,239 km (0.078 R)
• M23: 24,324,315 km (0.062 R)
• M24: 24,575,639 km (0.057 R)
• M25: 31,237,831 km (0.116 R)
• M26: 31,733,897 km (0.082 R)
• M27: 32,843,465 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.2

Radius: 4

Gravity: 42.08 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.55 AU - 13.31 AU

Year: 24097 Days

Day: 23.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,656,017 km

• M1: 49,816 km (0.084 R)
• M2: 197,619 km (0.093 R)
• M3: 381,026 km (0.094 R)
• M4: 540,796 km (0.104 R)
• M5: 714,180 km (0.064 R)
• M6: 853,905 km (0.115 R)
• M7: 1,104,930 km (0.086 R)
• M8: 2,052,333 km (0.079 R)
• M9: 2,431,115 km (0.079 R)
• M10: 2,750,955 km (0.077 R)
• M11: 3,239,392 km (0.107 R)
• M12: 4,564,081 km (0.032 R)
• M13: 5,245,949 km (0.116 R)
• M14: 5,906,722 km (0.101 R)
• M15: 6,483,123 km (0.099 R)
• M16: 8,436,722 km (0.104 R)
• M17: 8,937,575 km (0.077 R)
• M18: 9,340,741 km (0.099 R)
• M19: 10,814,879 km (0.086 R)
• M20: 11,206,227 km (0.092 R)
• M21: 13,604,730 km (0.117 R)
• M22: 13,831,370 km (0.119 R)
• M23: 16,409,390 km (0.096 R)
• M24: 17,810,823 km (0.065 R)
• M25: 20,353,538 km (0.107 R)
• M26: 20,949,686 km (0.112 R)
• M27: 26,967,111 km (0.051 R)
• M28: 31,341,053 km (0.11 R)
• M29: 36,454,608 km (0.108 R)
• M30: 38,828,127 km (0.066 R)
• M31: 40,052,586 km (0.069 R)
• M32: 41,619,025 km (0.085 R)
• M33: 43,552,278 km (0.119 R)
• M34: 45,040,777 km (0.069 R)
• M35: 46,051,760 km (0.111 R)
• M36: 49,175,363 km (0.117 R)
• M37: 58,587,164 km (0.1 R)
• M38: 61,628,339 km (0.082 R)
• M39: 62,873,741 km (0.055 R)
• M40: 68,685,918 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 12,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit