🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484

Radius: 14.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.14 AU - 1.5 AU

Year: 1029 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,252,994 km

• M1: 180,415 km (0.098 R)
• M2: 759,808 km (0.112 R)
• M3: 1,336,208 km (0.03 R)
• M4: 1,955,394 km (0.047 R)
• M5: 2,556,328 km (0.103 R)
• M6: 3,045,214 km (0.115 R)
• M7: 4,993,427 km (0.051 R)
• M8: 5,628,470 km (0.117 R)
• M9: 7,314,737 km (0.104 R)
• M10: 8,673,984 km (0.086 R)
• M11: 9,126,517 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 8.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.6 AU - 2.04 AU

Year: 1665 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,252,994 km

• M1: 102,923 km (0.038 R)
• M2: 418,126 km (0.114 R)
• M3: 891,903 km (0.038 R)
• M4: 1,209,200 km (0.081 R)
• M5: 1,674,898 km (0.095 R)
• M6: 1,970,952 km (0.098 R)
• M7: 2,255,786 km (0.082 R)
• M8: 3,251,061 km (0.053 R)
• M9: 3,619,371 km (0.085 R)
• M10: 3,947,439 km (0.107 R)
• M11: 4,206,393 km (0.105 R)
• M12: 5,173,394 km (0.07 R)
• M13: 5,763,707 km (0.118 R)
• M14: 6,805,506 km (0.09 R)
• M15: 7,179,202 km (0.118 R)
• M16: 7,832,496 km (0.052 R)
• M17: 9,047,978 km (0.115 R)
• M18: 9,904,277 km (0.119 R)
• M19: 10,190,757 km (0.114 R)
• M20: 11,706,781 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.7

Radius: 10.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.64 AU - 4.24 AU

Year: 5304 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,252,994 km

• M1: 134,638 km (0.057 R)
• M2: 518,057 km (0.103 R)
• M3: 863,928 km (0.114 R)
• M4: 1,383,930 km (0.095 R)
• M5: 1,804,300 km (0.073 R)
• M6: 2,442,036 km (0.065 R)
• M7: 2,870,334 km (0.111 R)
• M8: 3,476,355 km (0.114 R)
• M9: 4,491,826 km (0.067 R)
• M10: 4,999,262 km (0.073 R)
• M11: 5,485,455 km (0.096 R)
• M12: 6,161,188 km (0.099 R)
• M13: 7,604,957 km (0.041 R)
• M14: 7,941,702 km (0.108 R)
• M15: 9,909,213 km (0.048 R)
• M16: 12,437,567 km (0.072 R)
• M17: 14,269,393 km (0.11 R)
• M18: 15,073,781 km (0.035 R)
• M19: 18,194,243 km (0.097 R)
• M20: 24,608,551 km (0.1 R)
• M21: 26,271,032 km (0.114 R)
• M22: 29,084,818 km (0.094 R)
• M23: 30,564,491 km (0.063 R)

Asteroid Belt

Center: 4.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 13.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.26 AU - 5.76 AU

Year: 7606 Days

Day: 13.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,252,994 km

• M1: 168,447 km (0.077 R)
• M2: 847,173 km (0.116 R)
• M3: 1,324,839 km (0.028 R)
• M4: 1,795,324 km (0.092 R)
• M5: 2,268,053 km (0.048 R)
• M6: 2,897,860 km (0.104 R)
• M7: 3,708,082 km (0.114 R)
• M8: 4,954,981 km (0.074 R)
• M9: 5,427,860 km (0.105 R)
• M10: 5,900,290 km (0.103 R)
• M11: 6,727,117 km (0.026 R)
• M12: 7,775,798 km (0.089 R)
• M13: 10,021,113 km (0.118 R)
• M14: 13,293,117 km (0.098 R)
• M15: 19,107,687 km (0.104 R)
• M16: 20,914,680 km (0.033 R)
• M17: 22,985,414 km (0.119 R)
• M18: 25,108,507 km (0.117 R)
• M19: 28,578,130 km (0.12 R)
• M20: 29,923,613 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.3

Radius: 7.3

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.24 AU - 12.02 AU

Year: 21868 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,252,994 km

• M1: 90,806 km (0.085 R)
• M2: 956,080 km (0.091 R)
• M3: 1,686,267 km (0.095 R)
• M4: 2,066,096 km (0.118 R)
• M5: 2,320,712 km (0.108 R)
• M6: 6,375,712 km (0.075 R)
• M7: 6,643,791 km (0.051 R)
• M8: 6,919,350 km (0.103 R)
• M9: 8,627,758 km (0.111 R)
• M10: 11,362,257 km (0.071 R)
• M11: 17,492,479 km (0.095 R)
• M12: 22,514,330 km (0.078 R)
• M13: 24,417,215 km (0.025 R)
• M14: 26,769,791 km (0.106 R)
• M15: 27,822,810 km (0.102 R)
• M16: 29,515,211 km (0.118 R)
• M17: 35,979,185 km (0.075 R)
• M18: 36,687,531 km (0.118 R)
• M19: 42,377,486 km (0.061 R)
• M20: 45,595,935 km (0.118 R)
• M21: 52,153,109 km (0.107 R)
• M22: 54,347,410 km (0.102 R)
• M23: 57,560,474 km (0.099 R)
• M24: 59,903,176 km (0.054 R)
• M25: 71,457,368 km (0.109 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: 206 - 15,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit