🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 9.6

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.23 AU - 1.29 AU

Year: 943 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,654,012 km

• M1: 119,379 km (0.102 R)
• M2: 453,132 km (0.112 R)
• M3: 1,089,671 km (0.068 R)
• M4: 1,395,449 km (0.098 R)
• M5: 2,491,702 km (0.104 R)
• M6: 2,800,771 km (0.09 R)
• M7: 3,135,571 km (0.061 R)
• M8: 3,567,161 km (0.119 R)
• M9: 3,961,800 km (0.083 R)
• M10: 4,533,264 km (0.096 R)
• M11: 4,908,905 km (0.12 R)
• M12: 6,183,179 km (0.07 R)
• M13: 6,624,643 km (0.113 R)
• M14: 7,641,758 km (0.085 R)
• M15: 8,733,823 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 14.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.14 AU - 1.66 AU

Year: 1105 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,654,012 km

• M1: 182,809 km (0.058 R)
• M2: 685,906 km (0.027 R)
• M3: 1,319,004 km (0.117 R)
• M4: 2,467,617 km (0.095 R)
• M5: 4,048,866 km (0.041 R)
• M6: 4,589,513 km (0.086 R)
• M7: 6,293,582 km (0.111 R)
• M8: 8,031,461 km (0.099 R)
• M9: 8,917,230 km (0.103 R)
• M10: 9,723,413 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 14.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.95 AU - 2.09 AU

Year: 1915 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,654,012 km

• M1: 178,171 km (0.108 R)
• M2: 625,618 km (0.043 R)
• M3: 1,118,094 km (0.088 R)
• M4: 2,069,836 km (0.071 R)
• M5: 2,566,202 km (0.104 R)
• M6: 3,911,236 km (0.1 R)
• M7: 4,542,240 km (0.059 R)
• M8: 5,054,762 km (0.116 R)
• M9: 6,497,634 km (0.113 R)
• M10: 8,484,443 km (0.112 R)
• M11: 9,377,543 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.1

Radius: 8

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.7 AU - 5.62 AU

Year: 7816 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,654,012 km

• M1: 99,483 km (0.067 R)
• M2: 443,707 km (0.079 R)
• M3: 978,370 km (0.108 R)
• M4: 1,278,763 km (0.078 R)
• M5: 2,037,074 km (0.094 R)
• M6: 2,630,978 km (0.117 R)
• M7: 2,936,905 km (0.036 R)
• M8: 3,243,880 km (0.1 R)
• M9: 4,605,370 km (0.061 R)
• M10: 5,526,445 km (0.102 R)
• M11: 5,791,682 km (0.069 R)
• M12: 7,366,199 km (0.107 R)
• M13: 8,273,660 km (0.088 R)
• M14: 10,865,593 km (0.089 R)
• M15: 13,413,244 km (0.117 R)
• M16: 19,807,356 km (0.096 R)
• M17: 20,746,981 km (0.064 R)
• M18: 24,358,273 km (0.069 R)
• M19: 27,977,644 km (0.051 R)
• M20: 31,517,429 km (0.106 R)
• M21: 32,581,219 km (0.062 R)
• M22: 34,780,159 km (0.101 R)
• M23: 38,863,133 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.8

Radius: 3.5

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.76 AU - 6.78 AU

Year: 9243 Days

Day: 23.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,654,012 km

• M1: 43,533 km (0.1 R)
• M2: 239,057 km (0.073 R)
• M3: 693,386 km (0.08 R)
• M4: 871,707 km (0.116 R)
• M5: 980,764 km (0.027 R)
• M6: 1,216,380 km (0.118 R)
• M7: 1,488,499 km (0.097 R)
• M8: 2,093,622 km (0.042 R)
• M9: 2,775,788 km (0.083 R)
• M10: 3,680,257 km (0.091 R)
• M11: 4,082,227 km (0.094 R)
• M12: 5,692,199 km (0.093 R)
• M13: 6,701,237 km (0.106 R)
• M14: 9,589,523 km (0.112 R)
• M15: 11,418,357 km (0.104 R)
• M16: 12,076,288 km (0.092 R)
• M17: 13,059,445 km (0.112 R)
• M18: 15,691,321 km (0.093 R)
• M19: 16,152,082 km (0.081 R)
• M20: 16,621,819 km (0.062 R)
• M21: 19,566,803 km (0.056 R)
• M22: 19,966,229 km (0.109 R)
• M23: 22,841,500 km (0.094 R)
• M24: 28,030,003 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449

Radius: 4.8

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.48 AU - 8.9 AU

Year: 14221 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,654,012 km

• M1: 60,138 km (0.106 R)
• M2: 226,790 km (0.029 R)
• M3: 619,784 km (0.103 R)
• M4: 777,759 km (0.11 R)
• M5: 994,826 km (0.047 R)
• M6: 1,355,806 km (0.059 R)
• M7: 2,412,714 km (0.095 R)
• M8: 3,252,108 km (0.058 R)
• M9: 5,079,446 km (0.11 R)
• M10: 7,540,481 km (0.113 R)
• M11: 8,573,604 km (0.111 R)
• M12: 10,321,505 km (0.069 R)
• M13: 11,138,459 km (0.113 R)
• M14: 13,911,704 km (0.114 R)
• M15: 15,949,078 km (0.027 R)
• M16: 19,284,213 km (0.064 R)
• M17: 20,102,214 km (0.055 R)
• M18: 25,307,472 km (0.076 R)
• M19: 25,501,500 km (0.087 R)
• M20: 27,089,033 km (0.098 R)
• M21: 28,636,174 km (0.076 R)
• M22: 29,699,815 km (0.063 R)
• M23: 36,023,616 km (0.025 R)
• M24: 37,639,273 km (0.115 R)
• M25: 39,432,503 km (0.041 R)
• M26: 40,218,191 km (0.047 R)
• M27: 43,883,189 km (0.115 R)
• M28: 49,864,710 km (0.061 R)
• M29: 51,246,695 km (0.089 R)
• M30: 51,712,992 km (0.062 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: 521 - 17,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit