🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 11.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1 AU - 1.58 AU

Year: 961 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,442,760 km

• M1: 144,362 km (0.056 R)
• M2: 580,290 km (0.074 R)
• M3: 1,164,919 km (0.08 R)
• M4: 1,529,040 km (0.091 R)
• M5: 1,995,636 km (0.099 R)
• M6: 2,393,117 km (0.036 R)
• M7: 3,073,039 km (0.034 R)
• M8: 3,570,004 km (0.097 R)
• M9: 3,984,390 km (0.041 R)
• M10: 4,651,447 km (0.103 R)
• M11: 5,558,907 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.8

Radius: 9.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.8 AU - 2.28 AU

Year: 1911 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,442,760 km

• M1: 115,639 km (0.064 R)
• M2: 485,146 km (0.1 R)
• M3: 1,619,098 km (0.102 R)
• M4: 1,989,801 km (0.033 R)
• M5: 2,816,479 km (0.12 R)
• M6: 3,399,013 km (0.092 R)
• M7: 3,840,776 km (0.12 R)
• M8: 4,140,121 km (0.101 R)
• M9: 4,894,094 km (0.098 R)
• M10: 5,817,861 km (0.094 R)
• M11: 6,171,511 km (0.12 R)
• M12: 7,957,111 km (0.088 R)
• M13: 8,684,456 km (0.067 R)
• M14: 9,712,791 km (0.071 R)

Asteroid Belt

Center: 3.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.3

Radius: 9.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.29 AU - 6.45 AU

Year: 8163 Days

Day: 9.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,442,760 km

• M1: 123,269 km (0.064 R)
• M2: 446,400 km (0.11 R)
• M3: 1,192,145 km (0.054 R)
• M4: 3,560,878 km (0.102 R)
• M5: 4,440,364 km (0.065 R)
• M6: 5,113,255 km (0.068 R)
• M7: 5,752,188 km (0.083 R)
• M8: 6,125,883 km (0.066 R)
• M9: 6,661,593 km (0.085 R)
• M10: 7,345,255 km (0.107 R)
• M11: 7,950,229 km (0.082 R)
• M12: 8,457,815 km (0.09 R)
• M13: 10,257,926 km (0.117 R)
• M14: 12,024,378 km (0.103 R)
• M15: 13,270,229 km (0.057 R)
• M16: 13,924,570 km (0.109 R)
• M17: 14,537,771 km (0.113 R)
• M18: 16,351,197 km (0.057 R)
• M19: 18,237,925 km (0.071 R)
• M20: 19,726,125 km (0.105 R)
• M21: 20,265,575 km (0.068 R)
• M22: 21,943,315 km (0.074 R)
• M23: 25,121,372 km (0.084 R)
• M24: 26,399,985 km (0.084 R)
• M25: 27,434,604 km (0.063 R)
• M26: 30,803,698 km (0.072 R)
• M27: 34,328,074 km (0.071 R)
• M28: 39,433,550 km (0.085 R)
• M29: 42,166,553 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.4

Radius: 13.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.26 AU - 6.9 AU

Year: 8647 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,442,760 km

• M1: 168,746 km (0.05 R)
• M2: 730,187 km (0.099 R)
• M3: 1,426,715 km (0.1 R)
• M4: 5,289,482 km (0.112 R)
• M5: 5,750,243 km (0.104 R)
• M6: 6,356,264 km (0.071 R)
• M7: 7,394,922 km (0.093 R)
• M8: 9,969,202 km (0.113 R)
• M9: 11,325,606 km (0.081 R)
• M10: 11,910,384 km (0.064 R)
• M11: 12,468,235 km (0.085 R)
• M12: 15,742,782 km (0.11 R)
• M13: 16,758,402 km (0.117 R)
• M14: 17,400,177 km (0.107 R)
• M15: 17,997,970 km (0.108 R)
• M16: 22,083,787 km (0.115 R)
• M17: 23,140,696 km (0.069 R)
• M18: 23,718,144 km (0.076 R)
• M19: 25,892,100 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.4

Radius: 6.4

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.86 AU - 8.06 AU

Year: 13366 Days

Day: 17.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,442,760 km

• M1: 80,035 km (0.077 R)
• M2: 332,556 km (0.114 R)
• M3: 745,895 km (0.084 R)
• M4: 996,023 km (0.12 R)
• M5: 1,608,626 km (0.066 R)
• M6: 1,997,281 km (0.065 R)
• M7: 2,328,491 km (0.117 R)
• M8: 3,730,522 km (0.065 R)
• M9: 4,687,500 km (0.111 R)
• M10: 5,798,563 km (0.078 R)
• M11: 7,326,107 km (0.025 R)
• M12: 7,889,941 km (0.113 R)
• M13: 8,114,488 km (0.112 R)
• M14: 8,343,073 km (0.079 R)
• M15: 12,014,205 km (0.086 R)
• M16: 14,002,959 km (0.101 R)
• M17: 14,332,374 km (0.115 R)
• M18: 15,701,942 km (0.085 R)
• M19: 15,914,670 km (0.097 R)
• M20: 20,583,919 km (0.105 R)
• M21: 22,056,261 km (0.072 R)
• M22: 25,696,576 km (0.064 R)
• M23: 27,401,543 km (0.031 R)
• M24: 27,606,941 km (0.085 R)
• M25: 28,755,254 km (0.104 R)
• M26: 29,502,346 km (0.109 R)
• M27: 31,821,262 km (0.119 R)
• M28: 34,977,628 km (0.057 R)
• M29: 35,706,319 km (0.111 R)
• M30: 38,336,549 km (0.058 R)
• M31: 39,241,317 km (0.102 R)
• M32: 40,425,234 km (0.083 R)
• M33: 51,388,514 km (0.117 R)
• M34: 53,442,792 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 13,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit