🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 9.2

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 6.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,155,746 km

• M1: 114,891 km (0.092 R)
• M2: 442,810 km (0.099 R)
• M3: 942,167 km (0.063 R)
• M4: 1,394,851 km (0.119 R)
• M5: 1,834,967 km (0.105 R)
• M6: 2,286,753 km (0.092 R)
• M7: 3,028,011 km (0.032 R)
• M8: 3,323,167 km (0.077 R)
• M9: 3,697,910 km (0.106 R)
• M10: 4,995,223 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.2

Radius: 11.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.74 AU - 0.76 AU

Year: 441 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,155,746 km

• M1: 144,212 km (0.119 R)
• M2: 547,229 km (0.082 R)
• M3: 916,437 km (0.117 R)
• M4: 1,354,010 km (0.108 R)
• M5: 1,845,290 km (0.089 R)
• M6: 2,306,201 km (0.078 R)
• M7: 3,159,956 km (0.119 R)
• M8: 3,647,794 km (0.05 R)
• M9: 4,866,718 km (0.051 R)
• M10: 5,306,685 km (0.092 R)
• M11: 5,704,915 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 10.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.05 AU - 1.71 AU

Year: 1100 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,155,746 km

• M1: 137,032 km (0.101 R)
• M2: 484,697 km (0.063 R)
• M3: 920,924 km (0.117 R)
• M4: 1,299,856 km (0.083 R)
• M5: 1,654,852 km (0.117 R)
• M6: 2,115,314 km (0.115 R)
• M7: 2,498,883 km (0.107 R)
• M8: 2,878,861 km (0.063 R)
• M9: 3,847,508 km (0.046 R)
• M10: 4,209,534 km (0.103 R)
• M11: 5,358,297 km (0.1 R)
• M12: 5,851,970 km (0.065 R)
• M13: 6,999,385 km (0.038 R)
• M14: 7,712,069 km (0.103 R)
• M15: 8,710,336 km (0.087 R)
• M16: 9,450,397 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 12.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.26 AU - 1.7 AU

Year: 1221 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,155,746 km

• M1: 154,385 km (0.116 R)
• M2: 581,337 km (0.094 R)
• M3: 990,039 km (0.068 R)
• M4: 1,382,584 km (0.114 R)
• M5: 2,056,522 km (0.064 R)
• M6: 2,600,011 km (0.118 R)
• M7: 3,023,672 km (0.093 R)
• M8: 3,634,630 km (0.1 R)
• M9: 4,255,311 km (0.064 R)
• M10: 4,906,661 km (0.085 R)
• M11: 5,907,022 km (0.099 R)
• M12: 6,598,612 km (0.103 R)
• M13: 7,656,718 km (0.085 R)
• M14: 8,338,286 km (0.117 R)
• M15: 9,329,970 km (0.063 R)
• M16: 10,301,010 km (0.093 R)
• M17: 10,895,213 km (0.056 R)
• M18: 12,334,045 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 8.3

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.57 AU - 1.57 AU

Year: 1334 Days

Day: 14 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,155,746 km

• M1: 105,317 km (0.052 R)
• M2: 378,931 km (0.12 R)
• M3: 1,195,736 km (0.07 R)
• M4: 2,733,751 km (0.112 R)
• M5: 3,507,920 km (0.112 R)
• M6: 5,843,293 km (0.114 R)
• M7: 6,633,768 km (0.085 R)
• M8: 7,146,440 km (0.09 R)
• M9: 7,466,430 km (0.092 R)
• M10: 9,369,913 km (0.069 R)
• M11: 10,148,121 km (0.094 R)
• M12: 13,015,015 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 10

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.61 AU - 2.19 AU

Year: 1776 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,155,746 km

• M1: 127,158 km (0.104 R)
• M2: 667,207 km (0.07 R)
• M3: 1,197,830 km (0.082 R)
• M4: 2,377,409 km (0.062 R)
• M5: 2,936,157 km (0.118 R)
• M6: 3,764,032 km (0.093 R)
• M7: 4,700,664 km (0.118 R)
• M8: 5,946,665 km (0.077 R)
• M9: 6,277,875 km (0.104 R)
• M10: 7,186,831 km (0.076 R)
• M11: 8,210,081 km (0.104 R)
• M12: 11,495,848 km (0.115 R)
• M13: 13,129,008 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896

Radius: 11.6

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.74 AU - 5.16 AU

Year: 7470 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,155,746 km

• M1: 144,212 km (0.069 R)
• M2: 548,276 km (0.106 R)
• M3: 953,836 km (0.059 R)
• M4: 1,425,668 km (0.043 R)
• M5: 2,117,707 km (0.064 R)
• M6: 2,938,551 km (0.097 R)
• M7: 3,908,992 km (0.097 R)
• M8: 4,581,435 km (0.073 R)
• M9: 5,081,540 km (0.08 R)
• M10: 5,520,760 km (0.079 R)
• M11: 5,883,385 km (0.086 R)
• M12: 6,916,957 km (0.095 R)
• M13: 7,657,317 km (0.048 R)
• M14: 12,509,823 km (0.089 R)
• M15: 13,788,137 km (0.088 R)
• M16: 16,602,970 km (0.047 R)
• M17: 18,289,686 km (0.102 R)
• M18: 18,950,909 km (0.079 R)
• M19: 21,350,608 km (0.107 R)
• M20: 23,087,140 km (0.083 R)
• M21: 24,033,347 km (0.089 R)
• M22: 24,826,664 km (0.071 R)
• M23: 26,003,251 km (0.079 R)
• M24: 30,160,427 km (0.116 R)
• M25: 31,499,627 km (0.042 R)
• M26: 32,985,732 km (0.088 R)
• M27: 33,855,644 km (0.08 R)
• M28: 37,960,759 km (0.106 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: 324 - 17,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit