🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.8

Radius: 10.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,224,888 km

• M1: 129,402 km (0.071 R)
• M2: 459,116 km (0.106 R)
• M3: 783,145 km (0.118 R)
• M4: 2,154,658 km (0.072 R)
• M5: 3,060,623 km (0.116 R)
• M6: 3,524,227 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.3

Radius: 11.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.99 AU - 5.61 AU

Year: 7013 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,224,888 km

• M1: 143,913 km (0.062 R)
• M2: 584,628 km (0.054 R)
• M3: 1,073,365 km (0.111 R)
• M4: 1,640,041 km (0.114 R)
• M5: 2,434,556 km (0.07 R)
• M6: 3,000,335 km (0.106 R)
• M7: 3,447,483 km (0.085 R)
• M8: 3,841,673 km (0.044 R)
• M9: 4,266,232 km (0.106 R)
• M10: 4,976,224 km (0.101 R)
• M11: 5,420,828 km (0.027 R)
• M12: 6,187,368 km (0.105 R)
• M13: 6,631,973 km (0.087 R)
• M14: 8,055,397 km (0.081 R)
• M15: 10,703,428 km (0.112 R)
• M16: 12,066,115 km (0.077 R)
• M17: 15,503,426 km (0.095 R)
• M18: 19,400,001 km (0.112 R)
• M19: 19,984,181 km (0.093 R)
• M20: 21,187,995 km (0.092 R)
• M21: 23,164,632 km (0.063 R)
• M22: 23,988,767 km (0.119 R)
• M23: 24,832,199 km (0.109 R)
• M24: 26,311,423 km (0.115 R)
• M25: 27,027,548 km (0.12 R)
• M26: 30,903,180 km (0.11 R)
• M27: 32,205,579 km (0.056 R)
• M28: 35,134,406 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535

Radius: 10.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.37 AU - 6.85 AU

Year: 8861 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,224,888 km

• M1: 129,402 km (0.077 R)
• M2: 711,787 km (0.1 R)
• M3: 1,484,609 km (0.086 R)
• M4: 4,905,165 km (0.078 R)
• M5: 6,556,875 km (0.115 R)
• M6: 7,068,948 km (0.111 R)
• M7: 7,607,501 km (0.062 R)
• M8: 8,680,117 km (0.059 R)
• M9: 9,252,927 km (0.112 R)
• M10: 9,757,222 km (0.038 R)
• M11: 10,870,679 km (0.053 R)
• M12: 13,176,880 km (0.119 R)
• M13: 17,808,579 km (0.082 R)
• M14: 19,541,521 km (0.098 R)
• M15: 20,602,918 km (0.106 R)
• M16: 22,757,875 km (0.113 R)
• M17: 24,534,500 km (0.108 R)
• M18: 25,949,097 km (0.094 R)
• M19: 27,045,051 km (0.115 R)
• M20: 30,417,885 km (0.083 R)
• M21: 31,226,312 km (0.105 R)
• M22: 34,386,417 km (0.092 R)
• M23: 37,407,546 km (0.095 R)
• M24: 37,985,742 km (0.062 R)
• M25: 38,452,637 km (0.104 R)
• M26: 40,601,161 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 3.4

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.08 AU - 7.26 AU

Year: 10220 Days

Day: 15.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 32,224,888 km

• M1: 42,486 km (0.049 R)
• M2: 176,376 km (0.078 R)
• M3: 461,809 km (0.087 R)
• M4: 672,592 km (0.11 R)
• M5: 784,491 km (0.051 R)
• M6: 1,769,144 km (0.059 R)
• M7: 2,045,152 km (0.047 R)
• M8: 2,315,625 km (0.101 R)
• M9: 2,947,377 km (0.064 R)
• M10: 3,188,230 km (0.098 R)
• M11: 3,824,470 km (0.066 R)
• M12: 3,965,989 km (0.106 R)
• M13: 4,086,565 km (0.091 R)
• M14: 5,227,249 km (0.032 R)
• M15: 5,549,931 km (0.11 R)
• M16: 5,854,812 km (0.069 R)
• M17: 6,564,355 km (0.06 R)
• M18: 7,257,741 km (0.052 R)
• M19: 8,747,586 km (0.058 R)
• M20: 9,286,288 km (0.117 R)
• M21: 9,759,167 km (0.101 R)
• M22: 11,663,548 km (0.079 R)
• M23: 11,861,615 km (0.077 R)
• M24: 12,213,619 km (0.11 R)
• M25: 13,257,812 km (0.117 R)
• M26: 13,636,893 km (0.116 R)
• M27: 13,856,802 km (0.107 R)
• M28: 15,701,643 km (0.091 R)
• M29: 16,997,310 km (0.083 R)
• M30: 17,315,954 km (0.088 R)
• M31: 17,899,684 km (0.07 R)
• M32: 22,971,651 km (0.111 R)
• M33: 23,439,443 km (0.097 R)
• M34: 26,127,268 km (0.103 R)
• M35: 26,637,098 km (0.056 R)
• M36: 27,501,474 km (0.098 R)
• M37: 30,486,251 km (0.102 R)
• M38: 31,911,619 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.5

Radius: 7.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.56 AU - 9.95 AU

Year: 20302 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,224,888 km

• M1: 105,018 km (0.111 R)
• M2: 343,926 km (0.102 R)
• M3: 733,927 km (0.093 R)
• M4: 1,137,542 km (0.093 R)
• M5: 1,631,365 km (0.115 R)
• M6: 2,325,200 km (0.119 R)
• M7: 3,603,663 km (0.108 R)
• M8: 3,851,547 km (0.115 R)
• M9: 4,560,341 km (0.074 R)
• M10: 5,324,487 km (0.052 R)
• M11: 5,797,815 km (0.115 R)
• M12: 8,716,320 km (0.036 R)
• M13: 10,695,649 km (0.073 R)
• M14: 13,487,445 km (0.107 R)
• M15: 18,267,695 km (0.114 R)
• M16: 20,247,324 km (0.069 R)
• M17: 21,106,913 km (0.108 R)
• M18: 23,361,802 km (0.119 R)
• M19: 24,951,279 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 20,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit