🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 12.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.52 AU - 0.76 AU

Year: 360 Days

Day: 9.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,862,847 km

• M1: 155,432 km (0.112 R)
• M2: 560,244 km (0.108 R)
• M3: 1,024,596 km (0.056 R)
• M4: 1,474,885 km (0.091 R)
• M5: 1,957,488 km (0.098 R)
• M6: 2,502,772 km (0.084 R)
• M7: 2,896,215 km (0.104 R)
• M8: 3,300,279 km (0.082 R)
• M9: 3,810,108 km (0.102 R)
• M10: 4,211,479 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.71 AU - 0.99 AU

Year: 551 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,862,847 km

• M1: 100,081 km (0.087 R)
• M2: 369,208 km (0.112 R)
• M3: 688,001 km (0.032 R)
• M4: 973,733 km (0.091 R)
• M5: 1,345,782 km (0.052 R)
• M6: 1,834,818 km (0.106 R)
• M7: 2,447,122 km (0.11 R)
• M8: 2,838,769 km (0.045 R)
• M9: 4,371,100 km (0.07 R)
• M10: 4,638,880 km (0.058 R)
• M11: 4,933,439 km (0.092 R)
• M12: 5,273,624 km (0.062 R)
• M13: 5,716,434 km (0.081 R)
• M14: 6,257,978 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 10.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.5 AU - 2.28 AU

Year: 1826 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,862,847 km

• M1: 135,835 km (0.088 R)
• M2: 531,072 km (0.1 R)
• M3: 1,156,242 km (0.099 R)
• M4: 1,532,780 km (0.094 R)
• M5: 1,980,975 km (0.103 R)
• M6: 2,426,926 km (0.086 R)
• M7: 2,797,779 km (0.089 R)
• M8: 3,458,104 km (0.104 R)
• M9: 4,001,444 km (0.104 R)
• M10: 4,350,456 km (0.117 R)
• M11: 4,699,916 km (0.117 R)
• M12: 5,068,077 km (0.103 R)
• M13: 5,702,222 km (0.065 R)
• M14: 6,050,486 km (0.092 R)
• M15: 7,155,416 km (0.059 R)
• M16: 8,155,478 km (0.111 R)
• M17: 8,508,828 km (0.062 R)
• M18: 9,533,723 km (0.034 R)
• M19: 10,638,952 km (0.093 R)
• M20: 12,281,088 km (0.058 R)
• M21: 13,547,583 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.7

Radius: 10.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.26 AU - 3.44 AU

Year: 3382 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,862,847 km

• M1: 133,591 km (0.09 R)
• M2: 527,482 km (0.094 R)
• M3: 1,052,720 km (0.105 R)
• M4: 1,480,720 km (0.08 R)
• M5: 2,163,484 km (0.11 R)
• M6: 2,840,714 km (0.075 R)
• M7: 6,001,567 km (0.114 R)
• M8: 7,542,276 km (0.103 R)
• M9: 9,604,034 km (0.106 R)
• M10: 10,454,049 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 12

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.3 AU - 4.92 AU

Year: 5857 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,862,847 km

• M1: 152,739 km (0.072 R)
• M2: 543,339 km (0.053 R)
• M3: 1,228,647 km (0.093 R)
• M4: 1,807,441 km (0.105 R)
• M5: 2,209,261 km (0.044 R)
• M6: 2,744,971 km (0.047 R)
• M7: 3,769,118 km (0.09 R)
• M8: 4,919,676 km (0.096 R)
• M9: 5,998,276 km (0.092 R)
• M10: 7,486,027 km (0.083 R)
• M11: 10,000,318 km (0.068 R)
• M12: 12,445,047 km (0.113 R)
• M13: 14,204,318 km (0.071 R)
• M14: 16,438,712 km (0.104 R)
• M15: 17,342,283 km (0.115 R)
• M16: 18,415,199 km (0.043 R)
• M17: 20,990,376 km (0.06 R)
• M18: 21,366,017 km (0.027 R)
• M19: 28,279,233 km (0.091 R)
• M20: 31,008,796 km (0.113 R)
• M21: 32,788,712 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 10.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.23 AU - 4.59 AU

Year: 6510 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,862,847 km

• M1: 129,402 km (0.053 R)
• M2: 628,161 km (0.114 R)
• M3: 1,471,744 km (0.12 R)
• M4: 2,067,143 km (0.072 R)
• M5: 2,614,073 km (0.082 R)
• M6: 2,951,566 km (0.086 R)
• M7: 4,144,759 km (0.059 R)
• M8: 7,233,057 km (0.114 R)
• M9: 7,942,899 km (0.116 R)
• M10: 8,780,797 km (0.103 R)
• M11: 9,943,322 km (0.119 R)
• M12: 11,012,198 km (0.059 R)
• M13: 14,913,262 km (0.079 R)
• M14: 15,450,468 km (0.091 R)
• M15: 16,000,539 km (0.103 R)
• M16: 17,075,101 km (0.112 R)
• M17: 18,879,700 km (0.096 R)
• M18: 20,881,918 km (0.108 R)
• M19: 22,010,933 km (0.054 R)
• M20: 24,885,905 km (0.108 R)
• M21: 25,220,107 km (0.117 R)
• M22: 25,812,065 km (0.064 R)
• M23: 26,154,495 km (0.056 R)
• M24: 29,747,686 km (0.068 R)
• M25: 30,694,940 km (0.112 R)
• M26: 31,079,406 km (0.075 R)
• M27: 32,054,635 km (0.034 R)
• M28: 34,066,278 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.7

Radius: 3.3

Gravity: 31.38 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.51 AU - 8.51 AU

Year: 15935 Days

Day: 25 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,862,847 km

• M1: 40,990 km (0.115 R)
• M2: 212,429 km (0.095 R)
• M3: 494,122 km (0.059 R)
• M4: 615,745 km (0.118 R)
• M5: 775,515 km (0.057 R)
• M6: 4,455,473 km (0.075 R)
• M7: 4,826,476 km (0.099 R)
• M8: 8,569,116 km (0.11 R)
• M9: 16,697,516 km (0.099 R)
• M10: 17,512,974 km (0.064 R)
• M11: 18,199,479 km (0.107 R)
• M12: 21,990,887 km (0.067 R)
• M13: 23,515,588 km (0.032 R)
• M14: 26,573,818 km (0.105 R)
• M15: 29,352,000 km (0.095 R)
• M16: 32,658,861 km (0.089 R)
• M17: 34,401,676 km (0.116 R)
• M18: 34,757,569 km (0.1 R)
• M19: 45,461,147 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 12,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit