🌌 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: 726.7

Radius: 9.9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.66 AU - 0.9 AU

Year: 452 Days

Day: 14.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,168,700 km

• M1: 123,119 km (0.108 R)
• M2: 438,621 km (0.092 R)
• M3: 834,008 km (0.097 R)
• M4: 1,151,156 km (0.081 R)
• M5: 1,516,623 km (0.09 R)
• M6: 2,026,154 km (0.116 R)
• M7: 2,909,379 km (0.106 R)
• M8: 3,804,124 km (0.109 R)
• M9: 4,554,806 km (0.078 R)
• M10: 4,965,752 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98

Radius: 12.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.78 AU - 1.08 AU

Year: 588 Days

Day: 6.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,168,700 km

• M1: 162,762 km (0.107 R)
• M2: 606,769 km (0.114 R)
• M3: 1,320,949 km (0.075 R)
• M4: 2,213,600 km (0.071 R)
• M5: 2,746,019 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.6

Radius: 11.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.05 AU - 1.71 AU

Year: 1063 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,168,700 km

• M1: 143,016 km (0.116 R)
• M2: 556,654 km (0.042 R)
• M3: 995,424 km (0.104 R)
• M4: 2,193,404 km (0.092 R)
• M5: 2,935,858 km (0.079 R)
• M6: 3,378,518 km (0.113 R)
• M7: 4,488,086 km (0.113 R)
• M8: 4,902,322 km (0.087 R)
• M9: 5,580,599 km (0.027 R)
• M10: 6,060,509 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 8.6

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.77 AU - 2.27 AU

Year: 1883 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,168,700 km

• M1: 106,962 km (0.119 R)
• M2: 385,364 km (0.082 R)
• M3: 658,380 km (0.073 R)
• M4: 1,099,245 km (0.058 R)
• M5: 1,401,882 km (0.075 R)
• M6: 1,782,159 km (0.117 R)
• M7: 2,130,124 km (0.104 R)
• M8: 3,925,149 km (0.026 R)
• M9: 4,665,509 km (0.12 R)
• M10: 6,034,479 km (0.049 R)
• M11: 6,688,670 km (0.093 R)
• M12: 7,075,082 km (0.081 R)
• M13: 7,832,496 km (0.033 R)
• M14: 9,337,450 km (0.1 R)
• M15: 10,104,289 km (0.105 R)
• M16: 10,799,919 km (0.081 R)
• M17: 11,216,848 km (0.053 R)
• M18: 11,763,180 km (0.108 R)
• M19: 13,378,837 km (0.116 R)
• M20: 15,043,412 km (0.102 R)
• M21: 15,756,097 km (0.068 R)

Asteroid Belt

Center: 2.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 13.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.25 AU - 3.65 AU

Year: 3324 Days

Day: 5.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,168,700 km

• M1: 164,408 km (0.095 R)
• M2: 781,649 km (0.103 R)
• M3: 1,223,411 km (0.108 R)
• M4: 1,837,211 km (0.097 R)
• M5: 2,500,678 km (0.106 R)
• M6: 3,452,719 km (0.055 R)
• M7: 3,874,435 km (0.049 R)
• M8: 4,654,588 km (0.096 R)
• M9: 5,171,299 km (0.085 R)
• M10: 6,874,770 km (0.115 R)
• M11: 8,049,712 km (0.046 R)
• M12: 8,480,254 km (0.109 R)
• M13: 9,969,950 km (0.115 R)
• M14: 12,542,734 km (0.055 R)
• M15: 13,677,584 km (0.054 R)
• M16: 14,381,741 km (0.058 R)
• M17: 15,719,595 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.8

Radius: 7.8

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.66 AU - 9.78 AU

Year: 18366 Days

Day: 23.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,168,700 km

• M1: 97,089 km (0.112 R)
• M2: 435,180 km (0.047 R)
• M3: 1,034,619 km (0.115 R)
• M4: 1,738,477 km (0.094 R)
• M5: 2,060,860 km (0.091 R)
• M6: 2,334,026 km (0.076 R)
• M7: 3,058,528 km (0.099 R)
• M8: 3,302,971 km (0.054 R)
• M9: 5,019,009 km (0.069 R)
• M10: 5,283,348 km (0.1 R)
• M11: 6,090,279 km (0.105 R)
• M12: 8,570,163 km (0.102 R)
• M13: 9,739,270 km (0.096 R)
• M14: 11,329,795 km (0.047 R)
• M15: 15,887,892 km (0.072 R)
• M16: 20,087,104 km (0.087 R)
• M17: 21,438,572 km (0.104 R)
• M18: 25,855,898 km (0.116 R)
• M19: 26,305,888 km (0.075 R)
• M20: 30,970,200 km (0.086 R)
• M21: 31,477,636 km (0.085 R)
• M22: 31,990,757 km (0.075 R)
• M23: 34,233,528 km (0.114 R)
• M24: 34,776,119 km (0.089 R)
• M25: 35,324,396 km (0.094 R)
• M26: 36,157,506 km (0.119 R)
• M27: 37,003,781 km (0.112 R)
• M28: 37,288,765 km (0.09 R)
• M29: 38,882,431 km (0.111 R)
• M30: 41,895,632 km (0.109 R)
• M31: 45,876,431 km (0.064 R)
• M32: 65,982,385 km (0.083 R)
• M33: 72,458,477 km (0.066 R)
• M34: 72,904,727 km (0.099 R)
• M35: 78,168,627 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 18,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit