🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 11.3

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,591,139 km

• M1: 141,370 km (0.09 R)
• M2: 524,341 km (0.11 R)
• M3: 969,394 km (0.072 R)
• M4: 1,484,011 km (0.06 R)
• M5: 2,144,785 km (0.071 R)
• M6: 2,580,264 km (0.059 R)
• M7: 3,328,553 km (0.097 R)
• M8: 3,689,682 km (0.12 R)
• M9: 4,385,162 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 8

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.67 AU - 1.03 AU

Year: 532 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,591,139 km

• M1: 99,782 km (0.042 R)
• M2: 362,775 km (0.096 R)
• M3: 777,759 km (0.119 R)
• M4: 1,044,492 km (0.093 R)
• M5: 1,469,350 km (0.079 R)
• M6: 2,943,488 km (0.073 R)
• M7: 3,634,181 km (0.06 R)
• M8: 5,214,533 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.4

Radius: 11.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.87 AU - 1.29 AU

Year: 761 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,591,139 km

• M1: 138,079 km (0.025 R)
• M2: 554,260 km (0.076 R)
• M3: 1,041,500 km (0.078 R)
• M4: 1,397,693 km (0.087 R)
• M5: 1,803,253 km (0.082 R)
• M6: 2,604,948 km (0.077 R)
• M7: 3,177,309 km (0.094 R)
• M8: 3,970,776 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 12.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.65 AU - 2.27 AU

Year: 1861 Days

Day: 8.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,591,139 km

• M1: 158,125 km (0.075 R)
• M2: 570,267 km (0.12 R)
• M3: 1,145,620 km (0.048 R)
• M4: 1,668,166 km (0.068 R)
• M5: 2,171,712 km (0.088 R)
• M6: 2,646,835 km (0.097 R)
• M7: 4,071,904 km (0.099 R)
• M8: 5,381,335 km (0.026 R)
• M9: 7,877,525 km (0.119 R)
• M10: 9,144,020 km (0.119 R)
• M11: 10,215,739 km (0.109 R)
• M12: 11,759,739 km (0.059 R)
• M13: 12,443,551 km (0.117 R)
• M14: 15,590,342 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 8.9

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.25 AU - 2.61 AU

Year: 2569 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,591,139 km

• M1: 110,702 km (0.114 R)
• M2: 414,835 km (0.08 R)
• M3: 1,208,452 km (0.12 R)
• M4: 1,629,420 km (0.1 R)
• M5: 1,982,920 km (0.095 R)
• M6: 2,373,669 km (0.098 R)
• M7: 2,894,120 km (0.084 R)
• M8: 3,311,050 km (0.049 R)
• M9: 3,729,475 km (0.099 R)
• M10: 4,121,870 km (0.072 R)
• M11: 4,628,857 km (0.086 R)
• M12: 6,052,879 km (0.08 R)
• M13: 6,850,834 km (0.041 R)
• M14: 8,290,714 km (0.105 R)
• M15: 9,812,274 km (0.097 R)
• M16: 10,523,761 km (0.078 R)
• M17: 11,716,505 km (0.12 R)
• M18: 12,431,134 km (0.054 R)
• M19: 13,762,705 km (0.028 R)
• M20: 14,133,408 km (0.086 R)
• M21: 15,384,047 km (0.096 R)
• M22: 17,128,956 km (0.059 R)
• M23: 18,605,786 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 13.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.53 AU - 3.11 AU

Year: 3212 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,591,139 km

• M1: 172,935 km (0.034 R)
• M2: 646,263 km (0.108 R)
• M3: 1,114,205 km (0.101 R)
• M4: 1,770,640 km (0.073 R)
• M5: 2,535,834 km (0.104 R)
• M6: 5,406,168 km (0.075 R)
• M7: 5,949,956 km (0.065 R)
• M8: 6,411,166 km (0.083 R)
• M9: 7,243,978 km (0.099 R)
• M10: 7,906,397 km (0.096 R)
• M11: 10,673,958 km (0.119 R)
• M12: 16,036,144 km (0.046 R)
• M13: 16,593,396 km (0.092 R)
• M14: 20,212,617 km (0.06 R)
• M15: 21,729,839 km (0.115 R)
• M16: 24,694,420 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 14.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.51 AU - 3.49 AU

Year: 3524 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,591,139 km

• M1: 175,478 km (0.118 R)
• M2: 890,556 km (0.057 R)
• M3: 1,402,181 km (0.113 R)
• M4: 2,030,043 km (0.116 R)
• M5: 2,499,182 km (0.075 R)
• M6: 3,168,782 km (0.085 R)
• M7: 3,788,716 km (0.074 R)
• M8: 4,740,757 km (0.091 R)
• M9: 5,555,317 km (0.09 R)
• M10: 6,675,805 km (0.073 R)
• M11: 7,232,608 km (0.116 R)
• M12: 8,219,505 km (0.082 R)
• M13: 8,761,947 km (0.085 R)
• M14: 9,883,632 km (0.06 R)
• M15: 10,387,627 km (0.1 R)
• M16: 10,908,677 km (0.04 R)
• M17: 14,548,543 km (0.093 R)
• M18: 15,296,681 km (0.101 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: 495 - 18,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit