🌌 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: 963.4

Radius: 9.4

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 9.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,762,545 km

• M1: 116,836 km (0.081 R)
• M2: 423,661 km (0.082 R)
• M3: 718,519 km (0.082 R)
• M4: 1,265,897 km (0.098 R)
• M5: 1,581,399 km (0.053 R)
• M6: 2,064,600 km (0.077 R)
• M7: 2,375,913 km (0.12 R)
• M8: 2,671,818 km (0.09 R)
• M9: 3,063,764 km (0.118 R)
• M10: 3,415,768 km (0.115 R)
• M11: 4,025,529 km (0.035 R)
• M12: 4,409,248 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 11.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.78 AU - 1 AU

Year: 569 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,762,545 km

• M1: 155,283 km (0.118 R)
• M2: 537,505 km (0.111 R)
• M3: 1,183,618 km (0.054 R)
• M4: 1,890,917 km (0.087 R)
• M5: 2,356,166 km (0.068 R)
• M6: 2,726,720 km (0.117 R)
• M7: 3,087,550 km (0.108 R)
• M8: 3,467,230 km (0.117 R)
• M9: 4,007,877 km (0.071 R)
• M10: 4,849,065 km (0.068 R)
• M11: 5,490,840 km (0.114 R)
• M12: 6,326,793 km (0.106 R)
• M13: 6,859,511 km (0.113 R)
• M14: 7,223,782 km (0.119 R)
• M15: 7,737,351 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 8

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.13 AU - 1.21 AU

Year: 858 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,762,545 km

• M1: 99,483 km (0.065 R)
• M2: 481,556 km (0.047 R)
• M3: 1,723,816 km (0.091 R)
• M4: 3,681,903 km (0.072 R)
• M5: 3,977,957 km (0.106 R)
• M6: 4,251,721 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 11.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.25 AU - 1.73 AU

Year: 1234 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,762,545 km

• M1: 145,559 km (0.105 R)
• M2: 617,690 km (0.061 R)
• M3: 1,032,076 km (0.077 R)
• M4: 1,497,475 km (0.112 R)
• M5: 2,045,751 km (0.111 R)
• M6: 2,447,421 km (0.098 R)
• M7: 2,865,996 km (0.099 R)
• M8: 3,306,113 km (0.081 R)
• M9: 3,953,273 km (0.115 R)
• M10: 5,098,744 km (0.092 R)
• M11: 5,768,344 km (0.113 R)
• M12: 7,629,491 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 12.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.32 AU - 2.06 AU

Year: 1490 Days

Day: 7.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,762,545 km

• M1: 153,787 km (0.11 R)
• M2: 687,552 km (0.068 R)
• M3: 1,140,833 km (0.027 R)
• M4: 2,313,232 km (0.089 R)
• M5: 3,773,307 km (0.111 R)
• M6: 4,376,486 km (0.102 R)
• M7: 4,889,457 km (0.072 R)
• M8: 6,281,615 km (0.071 R)
• M9: 8,519,599 km (0.05 R)
• M10: 9,204,607 km (0.073 R)
• M11: 9,926,118 km (0.043 R)
• M12: 10,427,720 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 11.3

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.4 AU - 5.66 AU

Year: 6539 Days

Day: 7.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,762,545 km

• M1: 143,764 km (0.102 R)
• M2: 811,868 km (0.075 R)
• M3: 1,220,868 km (0.111 R)
• M4: 1,699,432 km (0.111 R)
• M5: 2,200,435 km (0.098 R)
• M6: 2,606,593 km (0.098 R)
• M7: 4,010,121 km (0.076 R)
• M8: 4,538,351 km (0.086 R)
• M9: 6,165,527 km (0.118 R)
• M10: 7,018,384 km (0.101 R)
• M11: 7,512,207 km (0.065 R)
• M12: 7,988,377 km (0.076 R)
• M13: 8,400,668 km (0.069 R)
• M14: 10,828,193 km (0.072 R)
• M15: 11,231,509 km (0.1 R)
• M16: 13,400,528 km (0.095 R)
• M17: 14,102,442 km (0.118 R)
• M18: 15,076,174 km (0.041 R)
• M19: 16,753,316 km (0.099 R)
• M20: 18,408,766 km (0.076 R)
• M21: 20,170,879 km (0.083 R)
• M22: 20,628,350 km (0.12 R)
• M23: 25,503,744 km (0.117 R)
• M24: 26,490,791 km (0.113 R)
• M25: 27,224,269 km (0.112 R)
• M26: 27,783,317 km (0.11 R)
• M27: 30,294,915 km (0.102 R)
• M28: 32,431,023 km (0.115 R)
• M29: 35,876,412 km (0.118 R)
• M30: 36,435,908 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.7

Radius: 9.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.18 AU - 5.8 AU

Year: 7560 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,762,545 km

• M1: 113,844 km (0.096 R)
• M2: 441,015 km (0.086 R)
• M3: 807,978 km (0.114 R)
• M4: 1,121,386 km (0.116 R)
• M5: 1,589,777 km (0.103 R)
• M6: 2,594,625 km (0.119 R)
• M7: 3,613,387 km (0.085 R)
• M8: 5,641,635 km (0.116 R)
• M9: 7,583,415 km (0.085 R)
• M10: 9,047,829 km (0.067 R)
• M11: 10,600,954 km (0.106 R)
• M12: 11,633,329 km (0.064 R)
• M13: 14,061,452 km (0.052 R)
• M14: 16,136,075 km (0.106 R)
• M15: 18,472,794 km (0.109 R)
• M16: 20,243,883 km (0.093 R)
• M17: 22,051,025 km (0.062 R)
• M18: 22,955,644 km (0.104 R)
• M19: 23,806,257 km (0.09 R)
• M20: 24,758,148 km (0.103 R)
• M21: 27,334,373 km (0.027 R)
• M22: 30,359,541 km (0.064 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: 291 - 18,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit