🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 10.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.5 AU - 0.74 AU

Year: 337 Days

Day: 5.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,156,441 km

• M1: 131,048 km (0.119 R)
• M2: 533,316 km (0.101 R)
• M3: 885,021 km (0.083 R)
• M4: 1,308,084 km (0.12 R)
• M5: 1,654,104 km (0.106 R)
• M6: 1,997,580 km (0.114 R)
• M7: 2,791,496 km (0.106 R)
• M8: 3,527,518 km (0.07 R)
• M9: 3,909,740 km (0.11 R)
• M10: 4,251,422 km (0.11 R)
• M11: 4,613,150 km (0.095 R)
• M12: 5,086,776 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.72 AU - 1.1 AU

Year: 599 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,156,441 km

• M1: 173,234 km (0.095 R)
• M2: 668,852 km (0.091 R)
• M3: 1,168,210 km (0.106 R)
• M4: 1,954,646 km (0.118 R)
• M5: 2,549,746 km (0.027 R)
• M6: 3,356,677 km (0.12 R)
• M7: 4,272,665 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 8.2

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.14 AU - 3.56 AU

Year: 3321 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,156,441 km

• M1: 102,026 km (0.104 R)
• M2: 365,318 km (0.113 R)
• M3: 931,845 km (0.108 R)
• M4: 1,263,204 km (0.048 R)
• M5: 1,751,193 km (0.104 R)
• M6: 2,026,752 km (0.112 R)
• M7: 2,373,520 km (0.111 R)
• M8: 4,386,509 km (0.048 R)
• M9: 4,649,651 km (0.067 R)
• M10: 5,231,886 km (0.079 R)
• M11: 6,127,828 km (0.105 R)
• M12: 7,333,587 km (0.064 R)
• M13: 8,122,416 km (0.048 R)
• M14: 8,862,327 km (0.038 R)
• M15: 9,756,773 km (0.046 R)
• M16: 10,710,160 km (0.083 R)
• M17: 11,640,809 km (0.045 R)
• M18: 12,190,282 km (0.061 R)
• M19: 14,756,334 km (0.076 R)
• M20: 15,500,583 km (0.084 R)
• M21: 17,333,905 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 10.2

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3 AU - 3.44 AU

Year: 3988 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,156,441 km

• M1: 128,804 km (0.079 R)
• M2: 564,732 km (0.072 R)
• M3: 984,204 km (0.053 R)
• M4: 1,400,685 km (0.109 R)
• M5: 1,894,507 km (0.091 R)
• M6: 2,731,358 km (0.114 R)
• M7: 3,468,127 km (0.104 R)
• M8: 3,840,626 km (0.077 R)
• M9: 4,497,211 km (0.101 R)
• M10: 6,637,209 km (0.109 R)
• M11: 8,468,436 km (0.071 R)
• M12: 9,108,865 km (0.031 R)
• M13: 9,580,098 km (0.104 R)
• M14: 10,191,953 km (0.109 R)
• M15: 11,224,927 km (0.073 R)
• M16: 13,649,908 km (0.117 R)
• M17: 15,448,374 km (0.069 R)
• M18: 16,926,550 km (0.089 R)
• M19: 17,639,683 km (0.116 R)
• M20: 18,496,730 km (0.1 R)
• M21: 19,125,789 km (0.102 R)
• M22: 20,096,080 km (0.083 R)
• M23: 22,134,501 km (0.037 R)
• M24: 23,276,381 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.5

Radius: 11.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.43 AU - 4.73 AU

Year: 6766 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,156,441 km

• M1: 139,724 km (0.081 R)
• M2: 528,230 km (0.045 R)
• M3: 912,697 km (0.083 R)
• M4: 1,514,978 km (0.114 R)
• M5: 2,212,403 km (0.099 R)
• M6: 2,687,975 km (0.114 R)
• M7: 3,647,346 km (0.07 R)
• M8: 5,089,768 km (0.065 R)
• M9: 6,077,114 km (0.104 R)
• M10: 8,352,348 km (0.095 R)
• M11: 8,820,141 km (0.09 R)
• M12: 9,512,629 km (0.09 R)
• M13: 10,462,127 km (0.071 R)
• M14: 10,868,435 km (0.084 R)
• M15: 11,379,312 km (0.1 R)
• M16: 13,060,193 km (0.082 R)
• M17: 13,425,811 km (0.098 R)
• M18: 16,120,667 km (0.084 R)
• M19: 16,785,629 km (0.051 R)
• M20: 17,468,843 km (0.115 R)
• M21: 18,495,533 km (0.079 R)
• M22: 19,023,763 km (0.03 R)
• M23: 20,810,261 km (0.105 R)
• M24: 23,311,687 km (0.077 R)
• M25: 28,030,901 km (0.114 R)
• M26: 28,552,698 km (0.103 R)
• M27: 30,157,285 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 12.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.11 AU - 6.59 AU

Year: 8542 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,156,441 km

• M1: 155,283 km (0.043 R)
• M2: 568,322 km (0.051 R)
• M3: 1,506,899 km (0.076 R)
• M4: 2,426,627 km (0.052 R)
• M5: 3,144,098 km (0.085 R)
• M6: 3,893,434 km (0.079 R)
• M7: 5,849,875 km (0.09 R)
• M8: 7,339,720 km (0.063 R)
• M9: 11,322,464 km (0.109 R)
• M10: 12,900,273 km (0.112 R)
• M11: 17,120,429 km (0.114 R)
• M12: 18,434,497 km (0.116 R)
• M13: 20,530,363 km (0.078 R)
• M14: 22,953,400 km (0.065 R)
• M15: 23,477,591 km (0.074 R)
• M16: 25,841,985 km (0.113 R)
• M17: 42,000,201 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.7

Radius: 6.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.86 AU - 6.72 AU

Year: 9617 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 73.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,156,441 km

• M1: 80,932 km (0.077 R)
• M2: 357,838 km (0.107 R)
• M3: 672,442 km (0.065 R)
• M4: 905,815 km (0.072 R)
• M5: 1,223,561 km (0.098 R)
• M6: 2,129,077 km (0.107 R)
• M7: 2,441,288 km (0.085 R)
• M8: 4,684,657 km (0.038 R)
• M9: 6,712,905 km (0.119 R)
• M10: 7,043,965 km (0.076 R)
• M11: 8,592,902 km (0.077 R)
• M12: 10,225,762 km (0.119 R)
• M13: 16,705,893 km (0.111 R)
• M14: 23,242,423 km (0.082 R)
• M15: 23,468,016 km (0.118 R)
• M16: 26,864,337 km (0.104 R)
• M17: 28,982,343 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 15,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit