🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.9

Radius: 11.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.87 AU - 1.35 AU

Year: 780 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,294,861 km

• M1: 145,559 km (0.088 R)
• M2: 674,836 km (0.096 R)
• M3: 1,097,749 km (0.078 R)
• M4: 1,768,247 km (0.101 R)
• M5: 3,004,224 km (0.107 R)
• M6: 4,732,678 km (0.084 R)
• M7: 5,959,979 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 9.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.73 AU - 2.17 AU

Year: 1816 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,294,861 km

• M1: 120,576 km (0.114 R)
• M2: 601,683 km (0.1 R)
• M3: 927,208 km (0.109 R)
• M4: 1,232,836 km (0.082 R)
• M5: 1,778,120 km (0.096 R)
• M6: 2,911,773 km (0.113 R)
• M7: 3,229,070 km (0.066 R)
• M8: 4,341,779 km (0.12 R)
• M9: 4,757,960 km (0.102 R)
• M10: 5,453,441 km (0.093 R)
• M11: 5,781,210 km (0.11 R)
• M12: 6,452,455 km (0.059 R)
• M13: 7,252,355 km (0.096 R)
• M14: 8,201,554 km (0.063 R)
• M15: 8,691,487 km (0.116 R)
• M16: 9,079,095 km (0.064 R)
• M17: 10,986,019 km (0.095 R)
• M18: 11,653,225 km (0.108 R)
• M19: 12,051,754 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.3

Radius: 14.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.86 AU - 2.06 AU

Year: 1830 Days

Day: 8.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,294,861 km

• M1: 179,069 km (0.12 R)
• M2: 646,113 km (0.053 R)
• M3: 1,467,555 km (0.077 R)
• M4: 2,071,781 km (0.046 R)
• M5: 2,715,800 km (0.102 R)
• M6: 3,443,145 km (0.09 R)
• M7: 4,094,195 km (0.028 R)
• M8: 6,256,931 km (0.106 R)
• M9: 6,706,323 km (0.076 R)
• M10: 9,676,589 km (0.036 R)
• M11: 10,279,767 km (0.095 R)
• M12: 11,195,306 km (0.109 R)
• M13: 14,185,169 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 10.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.84 AU - 2.6 AU

Year: 2206 Days

Day: 11.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,294,861 km

• M1: 128,205 km (0.077 R)
• M2: 530,025 km (0.089 R)
• M3: 1,042,996 km (0.03 R)
• M4: 1,451,249 km (0.104 R)
• M5: 2,064,600 km (0.074 R)
• M6: 2,764,718 km (0.072 R)
• M7: 3,102,959 km (0.108 R)
• M8: 3,541,879 km (0.112 R)
• M9: 5,065,833 km (0.09 R)
• M10: 6,253,939 km (0.056 R)
• M11: 7,343,311 km (0.093 R)
• M12: 7,838,031 km (0.088 R)
• M13: 8,223,545 km (0.102 R)
• M14: 10,117,902 km (0.105 R)
• M15: 10,536,926 km (0.062 R)
• M16: 10,927,676 km (0.117 R)
• M17: 11,247,366 km (0.065 R)
• M18: 14,034,524 km (0.032 R)
• M19: 15,139,604 km (0.076 R)
• M20: 16,878,230 km (0.06 R)
• M21: 17,198,370 km (0.079 R)
• M22: 19,378,908 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 8.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.45 AU - 3.09 AU

Year: 3074 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,294,861 km

• M1: 102,026 km (0.097 R)
• M2: 567,425 km (0.104 R)
• M3: 1,188,256 km (0.11 R)
• M4: 1,481,468 km (0.072 R)
• M5: 1,904,680 km (0.061 R)
• M6: 2,379,055 km (0.088 R)
• M7: 3,227,424 km (0.119 R)
• M8: 4,020,892 km (0.089 R)
• M9: 4,368,258 km (0.095 R)
• M10: 4,780,101 km (0.094 R)
• M11: 5,434,143 km (0.06 R)
• M12: 6,497,784 km (0.114 R)
• M13: 7,601,816 km (0.043 R)
• M14: 7,943,647 km (0.068 R)
• M15: 8,758,806 km (0.094 R)
• M16: 10,941,139 km (0.116 R)
• M17: 12,369,201 km (0.101 R)
• M18: 13,417,732 km (0.061 R)
• M19: 15,051,191 km (0.046 R)
• M20: 15,790,354 km (0.091 R)
• M21: 17,340,787 km (0.107 R)
• M22: 18,208,006 km (0.115 R)
• M23: 18,933,705 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 11.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.55 AU - 3.73 AU

Year: 3710 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,294,861 km

• M1: 140,472 km (0.11 R)
• M2: 594,352 km (0.101 R)
• M3: 1,019,509 km (0.114 R)
• M4: 1,389,615 km (0.048 R)
• M5: 2,081,654 km (0.064 R)
• M6: 2,632,025 km (0.096 R)
• M7: 3,926,795 km (0.086 R)
• M8: 6,536,529 km (0.073 R)
• M9: 7,753,358 km (0.077 R)
• M10: 9,150,453 km (0.075 R)
• M11: 10,475,890 km (0.1 R)
• M12: 15,669,180 km (0.083 R)
• M13: 16,025,522 km (0.047 R)
• M14: 17,397,036 km (0.116 R)
• M15: 18,055,715 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 8.6

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.62 AU - 5.74 AU

Year: 9027 Days

Day: 11.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,294,861 km

• M1: 107,112 km (0.103 R)
• M2: 809,175 km (0.061 R)
• M3: 1,284,298 km (0.113 R)
• M4: 2,420,344 km (0.091 R)
• M5: 2,961,589 km (0.056 R)
• M6: 3,704,941 km (0.088 R)
• M7: 4,368,108 km (0.117 R)
• M8: 5,792,130 km (0.083 R)
• M9: 7,421,850 km (0.09 R)
• M10: 8,126,605 km (0.102 R)
• M11: 11,451,268 km (0.056 R)
• M12: 12,851,504 km (0.088 R)
• M13: 16,533,557 km (0.064 R)
• M14: 17,161,718 km (0.04 R)
• M15: 18,689,112 km (0.117 R)
• M16: 19,679,001 km (0.083 R)
• M17: 20,463,942 km (0.102 R)
• M18: 22,943,825 km (0.12 R)
• M19: 33,306,620 km (0.095 R)
• M20: 36,254,446 km (0.117 R)
• M21: 36,722,837 km (0.104 R)
• M22: 40,491,057 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.8

Radius: 5.5

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.64 AU - 8.36 AU

Year: 12350 Days

Day: 21.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,294,861 km

• M1: 73,752 km (0.117 R)
• M2: 314,904 km (0.094 R)
• M3: 532,718 km (0.102 R)
• M4: 767,287 km (0.092 R)
• M5: 1,059,602 km (0.093 R)
• M6: 1,411,456 km (0.115 R)
• M7: 1,677,591 km (0.091 R)
• M8: 1,898,696 km (0.106 R)
• M9: 2,293,186 km (0.102 R)
• M10: 4,112,894 km (0.107 R)
• M11: 4,743,300 km (0.092 R)
• M12: 4,947,351 km (0.094 R)
• M13: 5,310,874 km (0.092 R)
• M14: 6,402,639 km (0.08 R)
• M15: 6,616,115 km (0.108 R)
• M16: 7,596,729 km (0.087 R)
• M17: 10,613,520 km (0.077 R)
• M18: 11,528,461 km (0.058 R)
• M19: 13,225,798 km (0.114 R)
• M20: 15,846,154 km (0.108 R)
• M21: 20,052,697 km (0.094 R)
• M22: 23,996,097 km (0.105 R)
• M23: 25,387,806 km (0.117 R)
• M24: 26,740,769 km (0.047 R)
• M25: 27,762,971 km (0.073 R)
• M26: 29,004,185 km (0.117 R)
• M27: 35,325,592 km (0.078 R)
• M28: 35,881,049 km (0.064 R)
• M29: 39,575,070 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 16,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit