🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 10.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 279 Days

Day: 11.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,860,434 km

• M1: 126,859 km (0.099 R)
• M2: 483,351 km (0.083 R)
• M3: 819,048 km (0.086 R)
• M4: 1,262,456 km (0.062 R)
• M5: 1,735,036 km (0.081 R)
• M6: 2,084,497 km (0.082 R)
• M7: 2,618,112 km (0.08 R)
• M8: 2,988,666 km (0.077 R)
• M9: 3,693,123 km (0.092 R)
• M10: 4,490,928 km (0.106 R)
• M11: 4,894,992 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 11.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.59 AU - 0.95 AU

Year: 475 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 35,860,434 km

• M1: 143,315 km (0.068 R)
• M2: 582,235 km (0.118 R)
• M3: 1,784,254 km (0.026 R)
• M4: 2,517,882 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 10

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.77 AU - 0.93 AU

Year: 551 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,860,434 km

• M1: 124,316 km (0.103 R)
• M2: 455,675 km (0.116 R)
• M3: 843,732 km (0.11 R)
• M4: 1,169,706 km (0.08 R)
• M5: 1,693,897 km (0.077 R)
• M6: 2,235,291 km (0.103 R)
• M7: 2,704,281 km (0.083 R)
• M8: 3,170,428 km (0.094 R)
• M9: 3,591,097 km (0.09 R)
• M10: 4,333,551 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 9.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.88 AU - 1.22 AU

Year: 756 Days

Day: 6 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,860,434 km

• M1: 117,434 km (0.088 R)
• M2: 418,126 km (0.065 R)
• M3: 756,965 km (0.083 R)
• M4: 1,225,955 km (0.088 R)
• M5: 1,690,007 km (0.067 R)
• M6: 2,095,866 km (0.111 R)
• M7: 2,398,503 km (0.08 R)
• M8: 3,395,722 km (0.084 R)
• M9: 5,799,461 km (0.084 R)
• M10: 7,240,088 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 14.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.22 AU - 1.62 AU

Year: 1189 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,860,434 km

• M1: 181,612 km (0.119 R)
• M2: 795,412 km (0.074 R)
• M3: 1,607,429 km (0.112 R)
• M4: 2,287,202 km (0.115 R)
• M5: 2,747,365 km (0.116 R)
• M6: 3,255,549 km (0.062 R)
• M7: 3,810,407 km (0.118 R)
• M8: 4,338,637 km (0.049 R)
• M9: 4,838,444 km (0.095 R)
• M10: 5,294,568 km (0.11 R)
• M11: 5,866,929 km (0.098 R)
• M12: 6,839,615 km (0.03 R)
• M13: 8,025,627 km (0.106 R)
• M14: 8,958,070 km (0.104 R)
• M15: 9,435,586 km (0.075 R)
• M16: 10,937,848 km (0.097 R)
• M17: 11,553,743 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 13

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.02 AU - 2.46 AU

Year: 2357 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,860,434 km

• M1: 161,715 km (0.116 R)
• M2: 603,777 km (0.104 R)
• M3: 1,104,631 km (0.1 R)
• M4: 1,611,767 km (0.108 R)
• M5: 2,068,041 km (0.118 R)
• M6: 2,509,504 km (0.083 R)
• M7: 3,265,871 km (0.073 R)
• M8: 3,831,800 km (0.067 R)
• M9: 4,398,626 km (0.111 R)
• M10: 4,905,613 km (0.089 R)
• M11: 6,751,202 km (0.056 R)
• M12: 7,989,424 km (0.115 R)
• M13: 9,231,984 km (0.075 R)
• M14: 10,331,079 km (0.103 R)
• M15: 11,311,993 km (0.111 R)
• M16: 11,804,469 km (0.108 R)
• M17: 12,440,110 km (0.052 R)
• M18: 14,773,987 km (0.108 R)
• M19: 16,069,803 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 8.4

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.33 AU - 4.15 AU

Year: 5084 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,860,434 km

• M1: 104,419 km (0.116 R)
• M2: 421,716 km (0.097 R)
• M3: 999,164 km (0.107 R)
• M4: 1,565,991 km (0.103 R)
• M5: 1,928,765 km (0.093 R)
• M6: 2,998,540 km (0.094 R)
• M7: 3,662,605 km (0.116 R)
• M8: 4,801,044 km (0.039 R)
• M9: 5,125,821 km (0.102 R)
• M10: 5,572,371 km (0.078 R)
• M11: 6,044,801 km (0.077 R)
• M12: 6,453,652 km (0.054 R)
• M13: 7,069,696 km (0.116 R)
• M14: 8,454,524 km (0.078 R)
• M15: 9,498,717 km (0.093 R)
• M16: 10,295,625 km (0.093 R)
• M17: 11,662,201 km (0.114 R)
• M18: 15,439,398 km (0.11 R)
• M19: 18,589,331 km (0.084 R)
• M20: 18,956,893 km (0.093 R)
• M21: 19,580,417 km (0.118 R)
• M22: 22,556,666 km (0.025 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.4

Radius: 11

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.85 AU - 4.69 AU

Year: 5145 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,860,434 km

• M1: 136,882 km (0.097 R)
• M2: 947,104 km (0.115 R)
• M3: 1,961,378 km (0.106 R)
• M4: 3,012,901 km (0.112 R)
• M5: 3,537,242 km (0.072 R)
• M6: 4,003,688 km (0.036 R)
• M7: 4,468,937 km (0.095 R)
• M8: 5,038,007 km (0.032 R)
• M9: 8,804,583 km (0.03 R)
• M10: 10,505,211 km (0.114 R)
• M11: 11,274,892 km (0.094 R)
• M12: 13,056,603 km (0.101 R)
• M13: 15,698,202 km (0.101 R)
• M14: 16,858,483 km (0.079 R)

Asteroid Belt

Center: 4.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296

Radius: 6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.28 AU - 6.34 AU

Year: 9844 Days

Day: 22.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,860,434 km

• M1: 74,649 km (0.102 R)
• M2: 335,847 km (0.094 R)
• M3: 703,559 km (0.117 R)
• M4: 1,099,993 km (0.108 R)
• M5: 1,348,924 km (0.099 R)
• M6: 1,556,865 km (0.115 R)
• M7: 2,181,137 km (0.046 R)
• M8: 2,487,214 km (0.085 R)
• M9: 2,821,715 km (0.109 R)
• M10: 3,335,584 km (0.051 R)
• M11: 3,861,570 km (0.119 R)
• M12: 5,372,209 km (0.064 R)
• M13: 5,709,552 km (0.111 R)
• M14: 6,392,915 km (0.076 R)
• M15: 8,117,629 km (0.078 R)
• M16: 12,721,055 km (0.109 R)
• M17: 12,936,925 km (0.041 R)
• M18: 15,171,767 km (0.109 R)
• M19: 15,970,470 km (0.071 R)
• M20: 16,667,896 km (0.11 R)
• M21: 19,518,483 km (0.107 R)
• M22: 23,396,808 km (0.12 R)
• M23: 25,902,423 km (0.117 R)
• M24: 28,581,571 km (0.073 R)
• M25: 30,083,234 km (0.071 R)
• M26: 31,834,726 km (0.093 R)
• M27: 32,937,861 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit