🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 13.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.73 AU - 0.83 AU

Year: 459 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,762,890 km

• M1: 172,935 km (0.08 R)
• M2: 638,185 km (0.086 R)
• M3: 1,071,570 km (0.083 R)
• M4: 1,707,061 km (0.105 R)
• M5: 2,143,887 km (0.096 R)
• M6: 3,094,582 km (0.117 R)
• M7: 3,593,490 km (0.105 R)
• M8: 4,255,162 km (0.057 R)
• M9: 5,089,768 km (0.078 R)
• M10: 5,926,768 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.2

Radius: 11.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.36 AU - 1.62 AU

Year: 1213 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,762,890 km

• M1: 144,212 km (0.079 R)
• M2: 709,991 km (0.116 R)
• M3: 1,242,111 km (0.118 R)
• M4: 1,700,479 km (0.107 R)
• M5: 2,085,394 km (0.075 R)
• M6: 2,940,197 km (0.079 R)
• M7: 3,425,941 km (0.117 R)
• M8: 5,294,119 km (0.115 R)
• M9: 5,711,497 km (0.065 R)
• M10: 6,448,416 km (0.05 R)
• M11: 7,147,337 km (0.116 R)
• M12: 9,220,016 km (0.084 R)
• M13: 9,826,187 km (0.088 R)
• M14: 11,492,856 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.2

Radius: 13.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.77 AU - 2.73 AU

Year: 2251 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,762,890 km

• M1: 173,085 km (0.106 R)
• M2: 703,708 km (0.101 R)
• M3: 1,229,395 km (0.113 R)
• M4: 1,819,708 km (0.049 R)
• M5: 3,077,677 km (0.098 R)
• M6: 3,539,336 km (0.069 R)
• M7: 3,979,453 km (0.098 R)
• M8: 4,756,614 km (0.09 R)
• M9: 5,741,716 km (0.082 R)
• M10: 6,518,727 km (0.092 R)
• M11: 8,538,747 km (0.107 R)
• M12: 10,282,460 km (0.068 R)
• M13: 11,083,706 km (0.098 R)
• M14: 12,107,105 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 14.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.26 AU - 3.6 AU

Year: 3344 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,762,890 km

• M1: 176,525 km (0.072 R)
• M2: 825,331 km (0.029 R)
• M3: 1,272,031 km (0.117 R)
• M4: 1,747,902 km (0.062 R)
• M5: 4,448,592 km (0.083 R)
• M6: 5,107,421 km (0.068 R)
• M7: 5,850,773 km (0.061 R)
• M8: 8,417,723 km (0.114 R)
• M9: 8,860,532 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 13.2

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.5 AU - 5.26 AU

Year: 6113 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,762,890 km

• M1: 165,306 km (0.103 R)
• M2: 777,161 km (0.109 R)
• M3: 1,194,838 km (0.103 R)
• M4: 2,138,053 km (0.109 R)
• M5: 5,222,013 km (0.106 R)
• M6: 6,549,245 km (0.079 R)
• M7: 7,552,000 km (0.083 R)
• M8: 9,101,834 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.9

Radius: 3.7

Gravity: 30.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.58 AU - 6.84 AU

Year: 11591 Days

Day: 24.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,762,890 km

• M1: 48,470 km (0.067 R)
• M2: 328,816 km (0.099 R)
• M3: 711,039 km (0.117 R)
• M4: 1,016,069 km (0.062 R)
• M5: 1,622,239 km (0.102 R)
• M6: 1,832,873 km (0.067 R)
• M7: 2,535,983 km (0.084 R)
• M8: 2,736,594 km (0.11 R)
• M9: 3,622,213 km (0.113 R)
• M10: 4,116,335 km (0.053 R)
• M11: 4,955,130 km (0.096 R)
• M12: 6,733,699 km (0.078 R)
• M13: 7,001,779 km (0.049 R)
• M14: 7,848,503 km (0.102 R)
• M15: 8,942,811 km (0.031 R)
• M16: 9,791,181 km (0.102 R)
• M17: 13,480,563 km (0.091 R)
• M18: 13,783,499 km (0.099 R)
• M19: 14,340,452 km (0.046 R)
• M20: 15,432,965 km (0.074 R)
• M21: 15,965,683 km (0.093 R)
• M22: 18,665,177 km (0.082 R)
• M23: 23,696,602 km (0.071 R)
• M24: 27,284,557 km (0.09 R)
• M25: 29,156,775 km (0.087 R)
• M26: 30,589,922 km (0.11 R)
• M27: 34,264,495 km (0.116 R)
• M28: 35,974,997 km (0.03 R)
• M29: 39,196,138 km (0.085 R)
• M30: 44,047,447 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178

Radius: 6.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.82 AU - 8.4 AU

Year: 12643 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,762,890 km

• M1: 292,165 km (0.063 R)
• M2: 771,775 km (0.07 R)
• M3: 1,479,673 km (0.115 R)
• M4: 3,596,183 km (0.057 R)
• M5: 4,755,417 km (0.07 R)
• M6: 6,932,365 km (0.049 R)
• M7: 11,749,267 km (0.106 R)
• M8: 12,957,719 km (0.085 R)
• M9: 15,071,836 km (0.05 R)
• M10: 26,880,344 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 14,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit