🌌 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: 568.4

Radius: 13.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.68 AU - 0.76 AU

Year: 422 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,364,177 km

• M1: 171,589 km (0.059 R)
• M2: 609,761 km (0.107 R)
• M3: 1,124,976 km (0.064 R)
• M4: 1,609,823 km (0.119 R)
• M5: 2,482,726 km (0.11 R)
• M6: 3,085,905 km (0.103 R)
• M7: 3,860,223 km (0.075 R)
• M8: 4,436,774 km (0.118 R)
• M9: 5,192,093 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 13.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.95 AU - 1.23 AU

Year: 786 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,364,177 km

• M1: 170,691 km (0.107 R)
• M2: 732,880 km (0.109 R)
• M3: 1,368,821 km (0.119 R)
• M4: 1,943,725 km (0.072 R)
• M5: 2,372,473 km (0.102 R)
• M6: 2,853,131 km (0.068 R)
• M7: 3,536,045 km (0.08 R)
• M8: 4,309,915 km (0.03 R)
• M9: 4,840,688 km (0.111 R)
• M10: 6,382,294 km (0.064 R)
• M11: 6,809,097 km (0.113 R)
• M12: 8,634,490 km (0.054 R)

Asteroid Belt

Center: 1.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.3

Radius: 13.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.67 AU - 1.95 AU

Year: 1681 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,364,177 km

• M1: 164,109 km (0.068 R)
• M2: 655,837 km (0.112 R)
• M3: 1,081,892 km (0.033 R)
• M4: 1,494,333 km (0.062 R)
• M5: 2,146,580 km (0.073 R)
• M6: 2,695,754 km (0.097 R)
• M7: 3,368,645 km (0.064 R)
• M8: 4,314,403 km (0.097 R)
• M9: 4,751,228 km (0.034 R)
• M10: 5,280,805 km (0.075 R)
• M11: 5,940,681 km (0.059 R)
• M12: 6,704,677 km (0.039 R)
• M13: 7,533,150 km (0.089 R)
• M14: 10,432,208 km (0.119 R)
• M15: 11,437,505 km (0.096 R)
• M16: 12,812,609 km (0.08 R)
• M17: 13,480,264 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 10.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.18 AU - 2.5 AU

Year: 2471 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,364,177 km

• M1: 128,056 km (0.086 R)
• M2: 623,674 km (0.079 R)
• M3: 1,042,847 km (0.06 R)
• M4: 1,778,569 km (0.083 R)
• M5: 2,158,099 km (0.073 R)
• M6: 2,829,943 km (0.097 R)
• M7: 4,073,101 km (0.04 R)
• M8: 4,696,027 km (0.109 R)
• M9: 5,357,399 km (0.119 R)
• M10: 6,131,867 km (0.085 R)
• M11: 7,596,430 km (0.057 R)
• M12: 7,965,189 km (0.118 R)
• M13: 9,561,398 km (0.115 R)
• M14: 10,435,050 km (0.104 R)
• M15: 13,024,589 km (0.088 R)
• M16: 13,688,504 km (0.075 R)
• M17: 15,325,255 km (0.117 R)
• M18: 16,984,594 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.1

Radius: 4.4

Gravity: 19.01 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.19 AU - 6.15 AU

Year: 9319 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,364,177 km

• M1: 54,753 km (0.104 R)
• M2: 574,456 km (0.086 R)
• M3: 1,057,059 km (0.105 R)
• M4: 1,660,237 km (0.112 R)
• M5: 2,864,650 km (0.1 R)
• M6: 3,860,223 km (0.045 R)
• M7: 4,186,197 km (0.118 R)
• M8: 10,487,559 km (0.058 R)
• M9: 10,923,487 km (0.114 R)
• M10: 13,455,132 km (0.098 R)
• M11: 16,806,573 km (0.12 R)
• M12: 18,289,836 km (0.111 R)
• M13: 18,638,698 km (0.102 R)
• M14: 20,152,479 km (0.098 R)
• M15: 21,746,444 km (0.105 R)
• M16: 27,029,343 km (0.105 R)
• M17: 34,043,389 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.9

Radius: 4.8

Gravity: 19.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.28 AU - 6.34 AU

Year: 9667 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 23,364,177 km

• M1: 60,737 km (0.037 R)
• M2: 234,719 km (0.108 R)
• M3: 439,519 km (0.065 R)
• M4: 591,211 km (0.089 R)
• M5: 820,694 km (0.099 R)
• M6: 1,499,569 km (0.05 R)
• M7: 2,458,043 km (0.059 R)
• M8: 2,705,926 km (0.088 R)
• M9: 2,928,678 km (0.071 R)
• M10: 5,744,708 km (0.098 R)
• M11: 7,351,987 km (0.081 R)
• M12: 7,666,143 km (0.096 R)
• M13: 8,154,131 km (0.056 R)
• M14: 8,490,876 km (0.096 R)
• M15: 9,695,737 km (0.028 R)
• M16: 10,073,472 km (0.102 R)
• M17: 10,658,549 km (0.06 R)
• M18: 11,060,967 km (0.041 R)
• M19: 11,896,172 km (0.104 R)
• M20: 13,169,400 km (0.068 R)
• M21: 13,574,212 km (0.101 R)
• M22: 13,868,321 km (0.078 R)
• M23: 15,723,783 km (0.047 R)
• M24: 16,377,227 km (0.086 R)
• M25: 17,253,571 km (0.097 R)
• M26: 17,460,166 km (0.068 R)
• M27: 18,734,590 km (0.06 R)
• M28: 19,394,616 km (0.093 R)
• M29: 19,994,055 km (0.086 R)
• M30: 22,680,234 km (0.115 R)
• M31: 25,956,278 km (0.112 R)
• M32: 30,628,369 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.7

Radius: 5.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.98 AU - 11.63 AU

Year: 19577 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,364,177 km

• M1: 68,815 km (0.107 R)
• M2: 505,641 km (0.098 R)
• M3: 943,065 km (0.093 R)
• M4: 1,376,001 km (0.115 R)
• M5: 1,893,759 km (0.117 R)
• M6: 2,092,575 km (0.074 R)
• M7: 3,067,504 km (0.108 R)
• M8: 3,286,516 km (0.031 R)
• M9: 6,060,509 km (0.049 R)
• M10: 7,489,917 km (0.112 R)
• M11: 8,762,695 km (0.105 R)
• M12: 9,974,438 km (0.103 R)
• M13: 10,911,519 km (0.096 R)
• M14: 11,640,958 km (0.036 R)
• M15: 11,906,046 km (0.085 R)
• M16: 12,912,391 km (0.083 R)
• M17: 18,927,422 km (0.092 R)
• M18: 21,726,697 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 15,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit