🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 13.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 6.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,919,321 km

• M1: 169,195 km (0.113 R)
• M2: 737,368 km (0.113 R)
• M3: 1,164,171 km (0.042 R)
• M4: 1,663,229 km (0.089 R)
• M5: 2,533,141 km (0.081 R)
• M6: 3,150,382 km (0.109 R)
• M7: 3,655,873 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 13.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.62 AU - 0.98 AU

Year: 485 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 23,919,321 km

• M1: 169,195 km (0.077 R)
• M2: 722,408 km (0.096 R)
• M3: 1,339,350 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 13.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.87 AU - 1.31 AU

Year: 772 Days

Day: 13.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,919,321 km

• M1: 167,998 km (0.11 R)
• M2: 631,004 km (0.103 R)
• M3: 1,065,735 km (0.098 R)
• M4: 1,610,271 km (0.074 R)
• M5: 2,088,536 km (0.051 R)
• M6: 2,561,415 km (0.117 R)
• M7: 3,117,470 km (0.114 R)
• M8: 3,845,712 km (0.075 R)
• M9: 4,475,370 km (0.037 R)
• M10: 4,995,970 km (0.111 R)
• M11: 5,764,904 km (0.105 R)
• M12: 6,515,586 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 13.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.85 AU - 2.53 AU

Year: 2198 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,919,321 km

• M1: 175,478 km (0.066 R)
• M2: 648,806 km (0.081 R)
• M3: 1,190,051 km (0.072 R)
• M4: 1,626,578 km (0.065 R)
• M5: 2,183,531 km (0.09 R)
• M6: 2,636,812 km (0.09 R)
• M7: 3,224,283 km (0.079 R)
• M8: 3,674,273 km (0.051 R)
• M9: 4,777,258 km (0.071 R)
• M10: 5,345,282 km (0.042 R)
• M11: 6,068,288 km (0.098 R)
• M12: 7,100,065 km (0.099 R)
• M13: 9,183,065 km (0.078 R)
• M14: 9,632,009 km (0.063 R)
• M15: 10,190,308 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 14

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.64 AU - 4.12 AU

Year: 5184 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,919,321 km

• M1: 176,226 km (0.106 R)
• M2: 681,717 km (0.027 R)
• M3: 1,122,882 km (0.077 R)
• M4: 2,052,184 km (0.115 R)
• M5: 2,963,384 km (0.087 R)
• M6: 3,540,682 km (0.036 R)
• M7: 4,319,339 km (0.118 R)
• M8: 5,307,732 km (0.083 R)
• M9: 6,756,588 km (0.047 R)
• M10: 7,448,478 km (0.047 R)
• M11: 9,477,624 km (0.112 R)
• M12: 9,962,021 km (0.08 R)
• M13: 11,184,086 km (0.069 R)
• M14: 12,197,163 km (0.111 R)
• M15: 12,815,900 km (0.025 R)
• M16: 13,595,305 km (0.036 R)
• M17: 14,552,582 km (0.05 R)
• M18: 15,502,977 km (0.087 R)
• M19: 18,546,097 km (0.119 R)
• M20: 19,723,432 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.8

Radius: 10.2

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.06 AU - 5.72 AU

Year: 8487 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,919,321 km

• M1: 126,859 km (0.106 R)
• M2: 445,353 km (0.062 R)
• M3: 1,023,100 km (0.098 R)
• M4: 1,447,210 km (0.1 R)
• M5: 1,837,361 km (0.12 R)
• M6: 2,816,030 km (0.055 R)
• M7: 3,749,820 km (0.026 R)
• M8: 4,825,579 km (0.11 R)
• M9: 5,477,825 km (0.034 R)
• M10: 6,311,983 km (0.053 R)
• M11: 6,792,491 km (0.08 R)
• M12: 7,160,203 km (0.088 R)
• M13: 7,718,951 km (0.092 R)
• M14: 8,344,120 km (0.051 R)
• M15: 8,884,019 km (0.099 R)
• M16: 9,737,475 km (0.093 R)
• M17: 11,096,123 km (0.115 R)
• M18: 12,827,569 km (0.077 R)
• M19: 13,599,793 km (0.11 R)
• M20: 13,970,496 km (0.1 R)
• M21: 14,843,550 km (0.08 R)
• M22: 16,398,470 km (0.073 R)
• M23: 18,572,276 km (0.03 R)
• M24: 20,101,167 km (0.076 R)
• M25: 22,660,337 km (0.117 R)
• M26: 23,107,037 km (0.092 R)
• M27: 23,711,711 km (0.097 R)
• M28: 24,482,440 km (0.11 R)
• M29: 27,902,696 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.9

Radius: 6.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.58 AU - 7.1 AU

Year: 9572 Days

Day: 16.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,919,321 km

• M1: 93,499 km (0.107 R)
• M2: 314,904 km (0.118 R)
• M3: 836,701 km (0.092 R)
• M4: 1,727,257 km (0.096 R)
• M5: 2,871,531 km (0.116 R)
• M6: 3,190,773 km (0.115 R)
• M7: 4,429,294 km (0.118 R)
• M8: 7,812,749 km (0.081 R)
• M9: 10,099,651 km (0.09 R)
• M10: 10,630,275 km (0.06 R)
• M11: 14,010,738 km (0.083 R)
• M12: 15,139,305 km (0.044 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 10,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit