🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 14.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.85 AU - 1.31 AU

Year: 748 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,094,835 km

• M1: 198,068 km (0.065 R)
• M2: 743,501 km (0.083 R)
• M3: 1,556,416 km (0.045 R)
• M4: 2,240,976 km (0.091 R)
• M5: 3,748,025 km (0.115 R)
• M6: 5,090,217 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 9.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.12 AU - 1.78 AU

Year: 1164 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,094,835 km

• M1: 113,844 km (0.111 R)
• M2: 587,920 km (0.12 R)
• M3: 982,559 km (0.064 R)
• M4: 1,767,499 km (0.061 R)
• M5: 2,280,620 km (0.117 R)
• M6: 2,632,324 km (0.048 R)
• M7: 3,199,300 km (0.111 R)
• M8: 3,845,563 km (0.042 R)
• M9: 4,489,133 km (0.078 R)
• M10: 5,478,872 km (0.117 R)
• M11: 5,816,365 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.8

Radius: 14.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.42 AU - 1.78 AU

Year: 1350 Days

Day: 6.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,094,835 km

• M1: 185,950 km (0.087 R)
• M2: 692,339 km (0.091 R)
• M3: 1,365,829 km (0.06 R)
• M4: 1,871,170 km (0.074 R)
• M5: 2,579,366 km (0.075 R)
• M6: 3,292,051 km (0.097 R)
• M7: 3,770,914 km (0.052 R)
• M8: 4,771,873 km (0.094 R)
• M9: 5,989,749 km (0.111 R)
• M10: 6,834,977 km (0.118 R)
• M11: 7,758,594 km (0.11 R)
• M12: 8,468,137 km (0.094 R)
• M13: 9,407,761 km (0.117 R)
• M14: 10,382,391 km (0.067 R)
• M15: 11,712,466 km (0.068 R)
• M16: 13,192,737 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 9.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.62 AU - 1.88 AU

Year: 1544 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,094,835 km

• M1: 121,922 km (0.069 R)
• M2: 539,001 km (0.104 R)
• M3: 888,312 km (0.036 R)
• M4: 1,400,086 km (0.1 R)
• M5: 2,512,945 km (0.108 R)
• M6: 4,054,102 km (0.112 R)
• M7: 4,556,901 km (0.078 R)
• M8: 4,933,289 km (0.045 R)
• M9: 5,586,732 km (0.069 R)
• M10: 5,913,753 km (0.082 R)
• M11: 6,902,895 km (0.063 R)
• M12: 7,645,947 km (0.069 R)
• M13: 9,066,379 km (0.03 R)
• M14: 9,376,047 km (0.066 R)

Asteroid Belt

Center: 2.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.9

Radius: 8.4

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.01 AU - 2.89 AU

Year: 2557 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,094,835 km

• M1: 104,569 km (0.078 R)
• M2: 369,806 km (0.108 R)
• M3: 882,927 km (0.061 R)
• M4: 1,220,419 km (0.041 R)
• M5: 1,949,859 km (0.114 R)
• M6: 2,240,677 km (0.1 R)
• M7: 2,604,649 km (0.089 R)
• M8: 2,895,168 km (0.06 R)
• M9: 4,158,671 km (0.117 R)
• M10: 4,710,837 km (0.092 R)
• M11: 5,555,018 km (0.077 R)
• M12: 8,102,669 km (0.062 R)
• M13: 8,394,086 km (0.108 R)
• M14: 9,345,828 km (0.11 R)
• M15: 10,481,425 km (0.082 R)
• M16: 10,905,685 km (0.084 R)
• M17: 11,747,472 km (0.095 R)
• M18: 15,353,977 km (0.055 R)
• M19: 16,825,572 km (0.117 R)
• M20: 18,555,970 km (0.117 R)
• M21: 18,949,712 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 14.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.09 AU - 5.25 AU

Year: 6730 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,094,835 km

• M1: 179,069 km (0.12 R)
• M2: 657,183 km (0.106 R)
• M3: 1,465,311 km (0.082 R)
• M4: 1,957,039 km (0.055 R)
• M5: 2,619,608 km (0.05 R)
• M6: 4,379,029 km (0.091 R)
• M7: 5,779,564 km (0.117 R)
• M8: 6,741,628 km (0.109 R)
• M9: 9,304,838 km (0.059 R)
• M10: 11,107,343 km (0.108 R)
• M11: 12,112,940 km (0.073 R)
• M12: 13,041,793 km (0.11 R)
• M13: 14,353,766 km (0.043 R)
• M14: 16,431,232 km (0.046 R)
• M15: 17,129,854 km (0.108 R)
• M16: 17,904,472 km (0.103 R)
• M17: 20,862,919 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.1

Radius: 5.8

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.97 AU - 7.21 AU

Year: 12589 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,094,835 km

• M1: 79,287 km (0.083 R)
• M2: 470,635 km (0.119 R)
• M3: 674,387 km (0.115 R)
• M4: 928,404 km (0.08 R)
• M5: 1,823,448 km (0.104 R)
• M6: 3,102,809 km (0.098 R)
• M7: 3,421,602 km (0.072 R)
• M8: 5,514,776 km (0.036 R)
• M9: 5,712,245 km (0.083 R)
• M10: 6,121,395 km (0.053 R)
• M11: 9,458,325 km (0.116 R)
• M12: 10,932,612 km (0.076 R)
• M13: 12,553,805 km (0.119 R)
• M14: 15,276,037 km (0.093 R)
• M15: 16,197,261 km (0.095 R)
• M16: 17,435,333 km (0.074 R)
• M17: 18,661,437 km (0.107 R)
• M18: 20,098,474 km (0.027 R)
• M19: 23,620,307 km (0.115 R)
• M20: 26,307,384 km (0.079 R)
• M21: 28,893,931 km (0.102 R)
• M22: 29,591,207 km (0.05 R)
• M23: 30,606,677 km (0.067 R)
• M24: 35,013,681 km (0.069 R)
• M25: 36,610,339 km (0.059 R)
• M26: 36,842,365 km (0.108 R)
• M27: 37,780,194 km (0.105 R)
• M28: 40,440,942 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 12,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit