🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 9.9

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.66 AU - 0.92 AU

Year: 485 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,347,773 km

• M1: 123,119 km (0.045 R)
• M2: 483,351 km (0.073 R)
• M3: 975,079 km (0.098 R)
• M4: 1,491,341 km (0.057 R)
• M5: 2,064,451 km (0.077 R)
• M6: 2,413,014 km (0.098 R)
• M7: 2,767,860 km (0.111 R)
• M8: 3,157,712 km (0.107 R)
• M9: 3,811,455 km (0.081 R)
• M10: 4,266,082 km (0.118 R)
• M11: 4,740,757 km (0.033 R)
• M12: 5,474,684 km (0.078 R)
• M13: 6,054,824 km (0.094 R)
• M14: 6,437,795 km (0.091 R)
• M15: 6,898,107 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 8.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.02 AU - 1.28 AU

Year: 851 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,347,773 km

• M1: 110,702 km (0.1 R)
• M2: 675,135 km (0.119 R)
• M3: 1,012,478 km (0.054 R)
• M4: 1,582,297 km (0.041 R)
• M5: 2,071,482 km (0.109 R)
• M6: 2,559,021 km (0.068 R)
• M7: 2,919,402 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 9.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.51 AU - 1.55 AU

Year: 1306 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,347,773 km

• M1: 119,379 km (0.053 R)
• M2: 499,058 km (0.119 R)
• M3: 1,009,935 km (0.086 R)
• M4: 1,400,685 km (0.091 R)
• M5: 1,705,117 km (0.108 R)
• M6: 3,143,949 km (0.069 R)
• M7: 3,604,710 km (0.081 R)
• M8: 4,404,012 km (0.034 R)
• M9: 4,761,700 km (0.068 R)
• M10: 5,316,858 km (0.099 R)
• M11: 6,110,325 km (0.042 R)
• M12: 6,412,214 km (0.076 R)
• M13: 6,745,069 km (0.091 R)
• M14: 7,089,593 km (0.089 R)
• M15: 8,122,117 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 10.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.68 AU - 3.64 AU

Year: 3877 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,347,773 km

• M1: 131,796 km (0.081 R)
• M2: 744,549 km (0.108 R)
• M3: 1,099,993 km (0.109 R)
• M4: 1,982,321 km (0.106 R)
• M5: 3,223,984 km (0.113 R)
• M6: 6,081,752 km (0.099 R)
• M7: 6,663,987 km (0.091 R)
• M8: 8,158,469 km (0.073 R)
• M9: 8,780,198 km (0.071 R)
• M10: 9,709,351 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 8.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.47 AU - 4.73 AU

Year: 5730 Days

Day: 10.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,347,773 km

• M1: 106,065 km (0.112 R)
• M2: 540,348 km (0.036 R)
• M3: 1,934,151 km (0.067 R)
• M4: 2,227,961 km (0.106 R)
• M5: 2,923,741 km (0.116 R)
• M6: 3,185,387 km (0.107 R)
• M7: 3,961,501 km (0.116 R)
• M8: 4,598,788 km (0.057 R)
• M9: 6,802,215 km (0.082 R)
• M10: 7,139,259 km (0.071 R)
• M11: 9,289,280 km (0.086 R)
• M12: 9,858,649 km (0.084 R)
• M13: 10,694,602 km (0.053 R)
• M14: 12,967,143 km (0.111 R)
• M15: 14,365,136 km (0.065 R)
• M16: 22,213,339 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.8

Radius: 5.8

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.71 AU - 6.79 AU

Year: 9517 Days

Day: 24.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,347,773 km

• M1: 72,405 km (0.096 R)
• M2: 254,616 km (0.097 R)
• M3: 518,057 km (0.085 R)
• M4: 724,802 km (0.052 R)
• M5: 913,893 km (0.101 R)
• M6: 1,210,995 km (0.108 R)
• M7: 1,907,971 km (0.054 R)
• M8: 2,594,476 km (0.111 R)
• M9: 3,087,102 km (0.081 R)
• M10: 3,456,309 km (0.045 R)
• M11: 3,952,675 km (0.104 R)
• M12: 4,441,411 km (0.081 R)
• M13: 5,507,745 km (0.058 R)
• M14: 7,059,075 km (0.109 R)
• M15: 8,255,558 km (0.034 R)
• M16: 8,584,973 km (0.088 R)
• M17: 8,880,429 km (0.047 R)
• M18: 10,413,059 km (0.037 R)
• M19: 11,241,981 km (0.104 R)
• M20: 12,920,020 km (0.114 R)
• M21: 15,121,502 km (0.111 R)
• M22: 17,159,474 km (0.078 R)
• M23: 18,037,314 km (0.096 R)
• M24: 18,732,645 km (0.054 R)
• M25: 19,445,629 km (0.084 R)
• M26: 20,176,714 km (0.102 R)
• M27: 22,799,314 km (0.112 R)
• M28: 23,529,800 km (0.095 R)
• M29: 26,077,302 km (0.099 R)
• M30: 27,599,610 km (0.115 R)
• M31: 30,918,589 km (0.086 R)
• M32: 32,520,632 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.4

Radius: 3.8

Gravity: 64.57 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.74 AU - 7.42 AU

Year: 10348 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,347,773 km

• M1: 47,871 km (0.076 R)
• M2: 209,437 km (0.107 R)
• M3: 402,269 km (0.075 R)
• M4: 807,380 km (0.066 R)
• M5: 1,484,310 km (0.093 R)
• M6: 3,522,431 km (0.043 R)
• M7: 4,800,147 km (0.055 R)
• M8: 6,834,828 km (0.095 R)
• M9: 7,082,113 km (0.09 R)
• M10: 8,692,983 km (0.108 R)
• M11: 9,532,376 km (0.117 R)
• M12: 10,424,279 km (0.096 R)
• M13: 12,131,639 km (0.1 R)
• M14: 14,016,572 km (0.106 R)
• M15: 14,890,822 km (0.12 R)
• M16: 15,658,409 km (0.107 R)
• M17: 18,592,622 km (0.084 R)
• M18: 19,236,641 km (0.104 R)
• M19: 23,509,455 km (0.079 R)
• M20: 24,644,604 km (0.111 R)
• M21: 25,030,865 km (0.071 R)
• M22: 25,618,037 km (0.083 R)
• M23: 44,861,110 km (0.085 R)
• M24: 53,054,885 km (0.116 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: 524 - 15,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit