🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.9

Radius: 12.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.18 AU - 1.22 AU

Year: 849 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,753,072 km

• M1: 155,432 km (0.108 R)
• M2: 701,165 km (0.062 R)
• M3: 1,629,420 km (0.116 R)
• M4: 2,232,000 km (0.105 R)
• M5: 2,813,786 km (0.075 R)
• M6: 3,308,806 km (0.092 R)
• M7: 4,269,224 km (0.106 R)
• M8: 6,065,745 km (0.12 R)
• M9: 6,837,520 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.1

Radius: 8.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.85 AU - 2.79 AU

Year: 2282 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,753,072 km

• M1: 100,979 km (0.091 R)
• M2: 868,565 km (0.074 R)
• M3: 1,256,024 km (0.108 R)
• M4: 1,705,416 km (0.107 R)
• M5: 2,603,901 km (0.101 R)
• M6: 4,488,535 km (0.04 R)
• M7: 6,170,613 km (0.094 R)
• M8: 8,473,822 km (0.111 R)
• M9: 9,668,211 km (0.113 R)
• M10: 10,409,020 km (0.109 R)
• M11: 11,369,289 km (0.038 R)
• M12: 12,156,173 km (0.047 R)
• M13: 12,819,191 km (0.071 R)
• M14: 13,837,803 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 13

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.27 AU - 2.77 AU

Year: 2583 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,753,072 km

• M1: 161,715 km (0.071 R)
• M2: 687,402 km (0.1 R)
• M3: 1,454,690 km (0.105 R)
• M4: 2,304,406 km (0.085 R)
• M5: 5,232,934 km (0.061 R)
• M6: 5,845,686 km (0.09 R)
• M7: 6,561,063 km (0.096 R)
• M8: 7,274,645 km (0.08 R)
• M9: 8,823,282 km (0.079 R)
• M10: 9,586,082 km (0.032 R)
• M11: 10,392,414 km (0.114 R)
• M12: 12,435,772 km (0.108 R)
• M13: 12,865,866 km (0.099 R)
• M14: 14,309,635 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 9.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.69 AU - 4.07 AU

Year: 4935 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,753,072 km

• M1: 121,473 km (0.063 R)
• M2: 510,278 km (0.069 R)
• M3: 1,110,914 km (0.105 R)
• M4: 1,862,942 km (0.077 R)
• M5: 2,252,944 km (0.088 R)
• M6: 3,913,480 km (0.097 R)
• M7: 4,510,077 km (0.079 R)
• M8: 5,545,144 km (0.079 R)
• M9: 6,059,611 km (0.104 R)
• M10: 6,605,644 km (0.103 R)
• M11: 7,151,077 km (0.063 R)
• M12: 8,368,804 km (0.081 R)
• M13: 12,701,458 km (0.114 R)
• M14: 15,846,753 km (0.111 R)
• M15: 18,900,195 km (0.09 R)
• M16: 20,464,390 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 15

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.49 AU - 4.57 AU

Year: 5224 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,753,072 km

• M1: 186,549 km (0.093 R)
• M2: 908,508 km (0.034 R)
• M3: 1,639,593 km (0.05 R)
• M4: 2,337,018 km (0.063 R)
• M5: 4,115,437 km (0.117 R)
• M6: 4,643,668 km (0.091 R)
• M7: 5,595,858 km (0.086 R)
• M8: 6,279,071 km (0.093 R)
• M9: 6,947,924 km (0.084 R)
• M10: 7,926,294 km (0.069 R)
• M11: 8,668,449 km (0.069 R)
• M12: 9,371,559 km (0.068 R)
• M13: 10,067,638 km (0.12 R)
• M14: 10,798,274 km (0.085 R)
• M15: 11,369,139 km (0.112 R)
• M16: 12,111,144 km (0.083 R)
• M17: 14,532,386 km (0.112 R)
• M18: 18,644,981 km (0.028 R)
• M19: 20,821,331 km (0.097 R)
• M20: 21,782,647 km (0.062 R)
• M21: 22,388,817 km (0.111 R)
• M22: 25,758,061 km (0.101 R)
• M23: 26,693,496 km (0.069 R)
• M24: 28,452,169 km (0.096 R)
• M25: 30,757,921 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.1

Radius: 6

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.11 AU - 11.15 AU

Year: 20818 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,753,072 km

• M1: 76,744 km (0.096 R)
• M2: 292,613 km (0.077 R)
• M3: 531,222 km (0.093 R)
• M4: 789,129 km (0.114 R)
• M5: 1,061,995 km (0.054 R)
• M6: 1,461,721 km (0.114 R)
• M7: 2,533,889 km (0.11 R)
• M8: 3,952,525 km (0.111 R)
• M9: 4,465,197 km (0.118 R)
• M10: 4,719,065 km (0.113 R)
• M11: 6,136,505 km (0.067 R)
• M12: 7,111,434 km (0.119 R)
• M13: 7,508,766 km (0.111 R)
• M14: 8,079,033 km (0.086 R)
• M15: 11,105,697 km (0.115 R)
• M16: 18,985,017 km (0.11 R)
• M17: 20,434,022 km (0.045 R)
• M18: 25,564,930 km (0.119 R)
• M19: 27,449,564 km (0.105 R)
• M20: 27,812,937 km (0.071 R)
• M21: 33,517,553 km (0.064 R)
• M22: 35,341,450 km (0.065 R)
• M23: 37,378,374 km (0.108 R)
• M24: 43,791,635 km (0.07 R)
• M25: 44,787,658 km (0.071 R)
• M26: 49,815,642 km (0.088 R)
• M27: 57,943,594 km (0.092 R)
• M28: 70,245,775 km (0.072 R)
• M29: 74,156,113 km (0.091 R)
• M30: 75,096,785 km (0.032 R)
• M31: 75,333,299 km (0.107 R)
• M32: 78,939,356 km (0.109 R)
• M33: 83,163,251 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 14,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit