🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 13.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 14.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,332,116 km

• M1: 172,935 km (0.088 R)
• M2: 814,560 km (0.112 R)
• M3: 1,374,954 km (0.064 R)
• M4: 1,845,140 km (0.086 R)
• M5: 2,432,461 km (0.117 R)
• M6: 3,064,363 km (0.082 R)
• M7: 3,505,677 km (0.117 R)
• M8: 4,120,524 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.6

Radius: 8.1

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.68 AU - 0.84 AU

Year: 449 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,332,116 km

• M1: 100,829 km (0.114 R)
• M2: 370,105 km (0.03 R)
• M3: 628,610 km (0.086 R)
• M4: 948,151 km (0.087 R)
• M5: 1,206,208 km (0.028 R)
• M6: 1,540,559 km (0.112 R)
• M7: 2,218,088 km (0.085 R)
• M8: 2,800,023 km (0.08 R)
• M9: 3,738,451 km (0.117 R)
• M10: 4,065,621 km (0.112 R)
• M11: 4,352,849 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 11.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.02 AU - 1.26 AU

Year: 826 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,332,116 km

• M1: 140,472 km (0.113 R)
• M2: 615,446 km (0.059 R)
• M3: 1,030,281 km (0.081 R)
• M4: 1,540,409 km (0.115 R)
• M5: 2,434,406 km (0.12 R)
• M6: 2,966,376 km (0.04 R)
• M7: 3,327,206 km (0.062 R)
• M8: 3,746,679 km (0.1 R)
• M9: 4,426,003 km (0.062 R)
• M10: 5,059,250 km (0.117 R)
• M11: 5,482,762 km (0.064 R)
• M12: 5,850,474 km (0.081 R)
• M13: 7,257,890 km (0.101 R)
• M14: 8,722,902 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 13.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.22 AU - 1.96 AU

Year: 1360 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,332,116 km

• M1: 162,912 km (0.084 R)
• M2: 602,580 km (0.03 R)
• M3: 1,278,164 km (0.043 R)
• M4: 2,683,038 km (0.053 R)
• M5: 3,679,659 km (0.113 R)
• M6: 4,737,765 km (0.117 R)
• M7: 5,338,400 km (0.102 R)
• M8: 6,129,922 km (0.11 R)
• M9: 6,866,243 km (0.057 R)
• M10: 7,660,757 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 13.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.91 AU - 2.81 AU

Year: 2459 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,332,116 km

• M1: 166,652 km (0.089 R)
• M2: 623,225 km (0.084 R)
• M3: 1,361,789 km (0.087 R)
• M4: 2,256,085 km (0.105 R)
• M5: 2,708,918 km (0.046 R)
• M6: 4,181,709 km (0.081 R)
• M7: 4,914,290 km (0.097 R)
• M8: 5,389,413 km (0.117 R)
• M9: 6,949,719 km (0.104 R)
• M10: 7,634,727 km (0.079 R)
• M11: 8,700,163 km (0.116 R)
• M12: 10,065,693 km (0.101 R)
• M13: 11,016,238 km (0.064 R)
• M14: 11,457,551 km (0.058 R)
• M15: 12,219,304 km (0.119 R)
• M16: 13,801,900 km (0.065 R)
• M17: 15,019,626 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.1

Radius: 9.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.97 AU - 4.45 AU

Year: 4847 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,332,116 km

• M1: 123,119 km (0.1 R)
• M2: 446,849 km (0.073 R)
• M3: 952,639 km (0.025 R)
• M4: 1,457,233 km (0.076 R)
• M5: 2,016,280 km (0.102 R)
• M6: 2,744,672 km (0.113 R)
• M7: 3,468,576 km (0.104 R)
• M8: 3,916,323 km (0.043 R)
• M9: 4,603,126 km (0.117 R)
• M10: 7,058,776 km (0.112 R)
• M11: 10,046,395 km (0.06 R)
• M12: 12,585,818 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 9

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.75 AU - 3.99 AU

Year: 5164 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,332,116 km

• M1: 112,049 km (0.114 R)
• M2: 510,877 km (0.119 R)
• M3: 905,516 km (0.099 R)
• M4: 2,865,248 km (0.081 R)
• M5: 5,549,034 km (0.09 R)
• M6: 7,109,639 km (0.118 R)
• M7: 7,876,926 km (0.106 R)
• M8: 8,984,699 km (0.049 R)
• M9: 11,120,208 km (0.103 R)
• M10: 11,604,456 km (0.109 R)
• M11: 12,771,469 km (0.084 R)
• M12: 13,302,542 km (0.047 R)
• M13: 14,522,812 km (0.085 R)
• M14: 23,689,421 km (0.06 R)
• M15: 25,727,842 km (0.051 R)
• M16: 26,149,109 km (0.095 R)
• M17: 28,955,416 km (0.113 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: 227 - 17,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit