🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 8.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.74 AU - 0.95 AU

Year: 522 Days

Day: 14.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,902,572 km

• M1: 102,026 km (0.12 R)
• M2: 376,837 km (0.064 R)
• M3: 759,957 km (0.112 R)
• M4: 1,126,472 km (0.049 R)
• M5: 1,588,430 km (0.115 R)
• M6: 1,875,359 km (0.115 R)
• M7: 2,163,335 km (0.112 R)
• M8: 2,546,006 km (0.086 R)
• M9: 3,390,486 km (0.108 R)
• M10: 3,796,196 km (0.118 R)
• M11: 4,180,662 km (0.108 R)
• M12: 4,820,642 km (0.073 R)
• M13: 5,194,936 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 9.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.3 AU - 1.42 AU

Year: 1076 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,902,572 km

• M1: 121,922 km (0.046 R)
• M2: 960,119 km (0.077 R)
• M3: 1,338,003 km (0.105 R)
• M4: 2,451,012 km (0.064 R)
• M5: 3,159,208 km (0.105 R)
• M6: 3,785,425 km (0.079 R)
• M7: 4,492,274 km (0.117 R)
• M8: 5,367,123 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.8

Radius: 12.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.19 AU - 1.65 AU

Year: 1148 Days

Day: 12.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,902,572 km

• M1: 155,432 km (0.094 R)
• M2: 552,764 km (0.116 R)
• M3: 1,744,162 km (0.086 R)
• M4: 2,430,517 km (0.08 R)
• M5: 3,148,437 km (0.045 R)
• M6: 3,665,896 km (0.119 R)
• M7: 4,069,960 km (0.105 R)
• M8: 4,539,996 km (0.054 R)
• M9: 5,506,847 km (0.054 R)
• M10: 6,172,259 km (0.082 R)
• M11: 6,700,189 km (0.068 R)
• M12: 7,109,639 km (0.073 R)
• M13: 8,166,548 km (0.1 R)
• M14: 8,690,739 km (0.103 R)
• M15: 9,414,493 km (0.118 R)
• M16: 10,688,169 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.6

Radius: 14

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.82 AU - 2.3 AU

Year: 2005 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,902,572 km

• M1: 174,132 km (0.106 R)
• M2: 681,867 km (0.05 R)
• M3: 1,178,382 km (0.114 R)
• M4: 1,619,995 km (0.091 R)
• M5: 2,152,564 km (0.091 R)
• M6: 2,680,644 km (0.099 R)
• M7: 3,435,366 km (0.101 R)
• M8: 4,810,170 km (0.052 R)
• M9: 5,327,928 km (0.118 R)
• M10: 6,186,470 km (0.104 R)
• M11: 6,624,493 km (0.074 R)
• M12: 7,839,228 km (0.086 R)
• M13: 8,648,552 km (0.101 R)
• M14: 10,164,876 km (0.07 R)
• M15: 11,057,078 km (0.112 R)
• M16: 11,631,534 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 13.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.65 AU - 3.13 AU

Year: 3332 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,902,572 km

• M1: 167,998 km (0.113 R)
• M2: 714,928 km (0.066 R)
• M3: 1,271,582 km (0.076 R)
• M4: 3,249,715 km (0.116 R)
• M5: 3,685,643 km (0.027 R)
• M6: 4,214,172 km (0.073 R)
• M7: 5,705,962 km (0.079 R)
• M8: 7,108,442 km (0.06 R)
• M9: 8,937,276 km (0.089 R)
• M10: 10,686,524 km (0.11 R)
• M11: 11,481,936 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.9

Radius: 9.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.38 AU - 4.14 AU

Year: 4945 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,902,572 km

• M1: 120,725 km (0.094 R)
• M2: 427,850 km (0.098 R)
• M3: 1,675,047 km (0.099 R)
• M4: 2,132,667 km (0.096 R)
• M5: 3,156,665 km (0.092 R)
• M6: 3,679,360 km (0.108 R)
• M7: 4,237,060 km (0.059 R)
• M8: 4,873,899 km (0.097 R)
• M9: 5,392,405 km (0.109 R)
• M10: 6,598,463 km (0.085 R)
• M11: 12,647,154 km (0.053 R)
• M12: 16,378,573 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.1

Radius: 6

Gravity: 18.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.2 AU - 7.62 AU

Year: 11007 Days

Day: 24.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,902,572 km

• M1: 74,649 km (0.111 R)
• M2: 412,292 km (0.092 R)
• M3: 978,370 km (0.114 R)
• M4: 1,202,318 km (0.087 R)
• M5: 1,648,269 km (0.05 R)
• M6: 2,291,391 km (0.112 R)
• M7: 2,733,602 km (0.103 R)
• M8: 4,004,137 km (0.091 R)
• M9: 4,523,540 km (0.073 R)
• M10: 4,925,809 km (0.096 R)
• M11: 5,152,151 km (0.094 R)
• M12: 6,698,693 km (0.107 R)
• M13: 8,167,445 km (0.052 R)
• M14: 10,460,631 km (0.06 R)
• M15: 11,668,484 km (0.044 R)
• M16: 15,568,052 km (0.073 R)
• M17: 17,809,178 km (0.078 R)
• M18: 22,386,873 km (0.113 R)
• M19: 23,917,857 km (0.115 R)
• M20: 25,710,189 km (0.1 R)
• M21: 26,098,545 km (0.103 R)
• M22: 26,688,410 km (0.119 R)
• M23: 30,633,006 km (0.04 R)
• M24: 33,544,929 km (0.034 R)
• M25: 33,892,445 km (0.049 R)
• M26: 34,712,391 km (0.094 R)
• M27: 35,545,651 km (0.093 R)
• M28: 37,499,997 km (0.096 R)
• M29: 38,884,376 km (0.096 R)
• M30: 42,426,405 km (0.064 R)
• M31: 43,378,595 km (0.03 R)
• M32: 45,184,541 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 17,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit