🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,542,015 km

• M1: 186,549 km (0.06 R)
• M2: 909,555 km (0.096 R)
• M3: 1,517,222 km (0.073 R)
• M4: 2,575,627 km (0.092 R)
• M5: 3,675,470 km (0.062 R)
• M6: 4,161,813 km (0.084 R)
• M7: 5,024,992 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 12.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.05 AU

Year: 637 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,542,015 km

• M1: 156,928 km (0.118 R)
• M2: 550,221 km (0.082 R)
• M3: 1,160,730 km (0.118 R)
• M4: 1,684,023 km (0.088 R)
• M5: 2,494,694 km (0.112 R)
• M6: 2,969,817 km (0.098 R)
• M7: 3,596,931 km (0.089 R)
• M8: 4,206,991 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.5

Radius: 14.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.47 AU - 3.53 AU

Year: 3465 Days

Day: 11 Hours

Environment

Temp: -221 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,542,015 km

• M1: 184,305 km (0.037 R)
• M2: 711,936 km (0.105 R)
• M3: 1,217,427 km (0.118 R)
• M4: 1,736,083 km (0.119 R)
• M5: 2,685,132 km (0.058 R)
• M6: 3,222,488 km (0.116 R)
• M7: 3,687,588 km (0.08 R)
• M8: 4,378,281 km (0.071 R)
• M9: 5,179,826 km (0.071 R)
• M10: 9,095,551 km (0.039 R)
• M11: 9,913,701 km (0.048 R)
• M12: 10,865,593 km (0.097 R)
• M13: 11,386,044 km (0.12 R)
• M14: 12,523,885 km (0.12 R)
• M15: 13,438,377 km (0.071 R)
• M16: 14,038,563 km (0.108 R)
• M17: 16,563,775 km (0.065 R)
• M18: 17,312,662 km (0.048 R)
• M19: 17,784,644 km (0.066 R)
• M20: 18,570,032 km (0.102 R)
• M21: 19,441,590 km (0.105 R)
• M22: 21,876,594 km (0.119 R)
• M23: 24,656,571 km (0.099 R)
• M24: 25,405,758 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.5

Radius: 10.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.62 AU - 3.8 AU

Year: 3835 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,542,015 km

• M1: 147,803 km (0.116 R)
• M2: 501,901 km (0.062 R)
• M3: 955,182 km (0.059 R)
• M4: 1,602,792 km (0.117 R)
• M5: 2,123,093 km (0.096 R)
• M6: 3,127,343 km (0.09 R)
• M7: 4,099,430 km (0.085 R)
• M8: 5,535,720 km (0.061 R)
• M9: 7,676,465 km (0.047 R)
• M10: 8,565,974 km (0.108 R)
• M11: 12,188,487 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 8.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.36 AU - 4.52 AU

Year: 5215 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,542,015 km

• M1: 100,679 km (0.11 R)
• M2: 416,780 km (0.11 R)
• M3: 678,875 km (0.102 R)
• M4: 1,175,091 km (0.093 R)
• M5: 1,459,178 km (0.032 R)
• M6: 1,768,546 km (0.111 R)
• M7: 2,442,933 km (0.034 R)
• M8: 2,825,006 km (0.109 R)
• M9: 3,472,615 km (0.067 R)
• M10: 3,903,008 km (0.034 R)
• M11: 4,954,233 km (0.045 R)
• M12: 8,093,394 km (0.089 R)
• M13: 8,421,014 km (0.088 R)
• M14: 9,588,476 km (0.096 R)
• M15: 9,955,439 km (0.078 R)
• M16: 10,682,186 km (0.12 R)
• M17: 13,278,756 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.3

Radius: 10.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.49 AU - 4.81 AU

Year: 5638 Days

Day: 7.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,542,015 km

• M1: 134,488 km (0.109 R)
• M2: 807,230 km (0.035 R)
• M3: 1,470,397 km (0.11 R)
• M4: 2,151,367 km (0.078 R)
• M5: 2,597,468 km (0.114 R)
• M6: 3,452,719 km (0.03 R)
• M7: 3,805,022 km (0.109 R)
• M8: 4,273,562 km (0.119 R)
• M9: 5,463,015 km (0.078 R)
• M10: 6,269,796 km (0.111 R)
• M11: 7,353,932 km (0.066 R)
• M12: 8,784,537 km (0.11 R)
• M13: 9,768,143 km (0.117 R)
• M14: 10,435,199 km (0.105 R)
• M15: 11,537,885 km (0.089 R)
• M16: 12,188,487 km (0.099 R)
• M17: 12,765,486 km (0.115 R)
• M18: 14,446,367 km (0.044 R)
• M19: 15,257,337 km (0.075 R)
• M20: 19,708,622 km (0.107 R)
• M21: 21,527,882 km (0.111 R)
• M22: 23,825,854 km (0.103 R)
• M23: 25,497,611 km (0.076 R)
• M24: 25,966,750 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 14.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.55 AU - 4.99 AU

Year: 5884 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,542,015 km

• M1: 199,264 km (0.107 R)
• M2: 651,798 km (0.053 R)
• M3: 1,650,214 km (0.108 R)
• M4: 2,706,674 km (0.044 R)
• M5: 3,674,423 km (0.111 R)
• M6: 5,368,768 km (0.106 R)
• M7: 6,632,272 km (0.087 R)
• M8: 9,969,352 km (0.087 R)
• M9: 10,872,025 km (0.092 R)
• M10: 12,705,347 km (0.034 R)
• M11: 13,437,479 km (0.086 R)
• M12: 14,246,205 km (0.065 R)
• M13: 17,196,425 km (0.074 R)
• M14: 18,552,829 km (0.038 R)
• M15: 19,316,825 km (0.096 R)
• M16: 21,223,151 km (0.068 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: 259 - 18,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit