🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 13.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.73 AU

Year: 364 Days

Day: 10.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,853,181 km

• M1: 163,062 km (0.081 R)
• M2: 570,566 km (0.103 R)
• M3: 1,048,681 km (0.101 R)
• M4: 1,611,917 km (0.037 R)
• M5: 2,437,847 km (0.115 R)
• M6: 2,917,009 km (0.107 R)
• M7: 3,389,140 km (0.046 R)
• M8: 4,173,781 km (0.035 R)
• M9: 4,689,145 km (0.033 R)
• M10: 5,262,404 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 13.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.68 AU - 0.86 AU

Year: 430 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,853,181 km

• M1: 171,290 km (0.069 R)
• M2: 655,538 km (0.116 R)
• M3: 1,188,405 km (0.068 R)
• M4: 1,729,202 km (0.114 R)
• M5: 2,168,720 km (0.106 R)
• M6: 2,628,883 km (0.046 R)
• M7: 3,259,738 km (0.09 R)
• M8: 3,857,231 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.2

Radius: 13.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.64 AU - 1 AU

Year: 472 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 101.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,853,181 km

• M1: 164,109 km (0.106 R)
• M2: 652,247 km (0.088 R)
• M3: 1,212,491 km (0.097 R)
• M4: 1,641,238 km (0.089 R)
• M5: 2,436,201 km (0.118 R)
• M6: 3,257,045 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 11.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.79 AU - 1.11 AU

Year: 589 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,853,181 km

• M1: 148,401 km (0.044 R)
• M2: 658,829 km (0.061 R)
• M3: 1,086,829 km (0.089 R)
• M4: 1,697,637 km (0.103 R)
• M5: 2,219,284 km (0.06 R)
• M6: 2,595,822 km (0.042 R)
• M7: 3,058,977 km (0.108 R)
• M8: 3,589,003 km (0.108 R)
• M9: 4,358,384 km (0.06 R)
• M10: 4,820,043 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 12.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.91 AU - 1.31 AU

Year: 744 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,853,181 km

• M1: 155,432 km (0.038 R)
• M2: 601,832 km (0.076 R)
• M3: 1,133,653 km (0.1 R)
• M4: 2,302,610 km (0.053 R)
• M5: 3,152,326 km (0.107 R)
• M6: 4,477,165 km (0.076 R)
• M7: 5,239,217 km (0.087 R)
• M8: 5,688,459 km (0.095 R)
• M9: 6,481,477 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 11.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.23 AU - 1.27 AU

Year: 889 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,853,181 km

• M1: 140,622 km (0.046 R)
• M2: 595,998 km (0.059 R)
• M3: 1,097,899 km (0.099 R)
• M4: 1,479,822 km (0.107 R)
• M5: 1,951,953 km (0.114 R)
• M6: 2,365,292 km (0.102 R)
• M7: 2,725,673 km (0.081 R)
• M8: 3,218,149 km (0.081 R)
• M9: 3,678,312 km (0.087 R)
• M10: 4,434,081 km (0.089 R)
• M11: 5,213,635 km (0.114 R)
• M12: 6,834,977 km (0.107 R)
• M13: 7,774,003 km (0.064 R)
• M14: 9,383,826 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 14.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.84 AU - 1.92 AU

Year: 1639 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,853,181 km

• M1: 181,612 km (0.083 R)
• M2: 704,756 km (0.116 R)
• M3: 1,216,380 km (0.089 R)
• M4: 1,799,962 km (0.098 R)
• M5: 3,194,064 km (0.114 R)
• M6: 3,665,597 km (0.063 R)
• M7: 4,129,948 km (0.105 R)
• M8: 5,857,505 km (0.066 R)
• M9: 7,582,667 km (0.045 R)
• M10: 8,342,774 km (0.1 R)
• M11: 10,484,118 km (0.104 R)
• M12: 11,214,006 km (0.096 R)
• M13: 11,829,452 km (0.113 R)
• M14: 12,353,044 km (0.117 R)
• M15: 13,088,617 km (0.117 R)
• M16: 13,730,541 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 17,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit