🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.8

Radius: 9.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 6.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,832,749 km

• M1: 120,576 km (0.072 R)
• M2: 496,665 km (0.066 R)
• M3: 918,681 km (0.119 R)
• M4: 1,245,402 km (0.068 R)
• M5: 2,017,178 km (0.12 R)
• M6: 2,687,376 km (0.082 R)
• M7: 3,002,130 km (0.076 R)
• M8: 3,425,193 km (0.11 R)
• M9: 3,819,234 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 13.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.76 AU - 1.02 AU

Year: 580 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,832,749 km

• M1: 176,376 km (0.051 R)
• M2: 587,620 km (0.094 R)
• M3: 1,818,661 km (0.104 R)
• M4: 3,191,371 km (0.065 R)
• M5: 4,159,868 km (0.094 R)
• M6: 5,200,770 km (0.099 R)
• M7: 5,950,854 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.1

Radius: 11.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.99 AU - 2.53 AU

Year: 2345 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,832,749 km

• M1: 140,472 km (0.073 R)
• M2: 708,346 km (0.095 R)
• M3: 1,193,641 km (0.072 R)
• M4: 1,545,047 km (0.05 R)
• M5: 1,955,543 km (0.092 R)
• M6: 2,508,307 km (0.074 R)
• M7: 2,953,960 km (0.119 R)
• M8: 3,400,060 km (0.101 R)
• M9: 4,264,437 km (0.072 R)
• M10: 4,792,517 km (0.12 R)
• M11: 11,180,346 km (0.051 R)
• M12: 13,967,504 km (0.113 R)
• M13: 14,473,295 km (0.111 R)
• M14: 16,568,862 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.8

Radius: 9.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.51 AU - 5.75 AU

Year: 6877 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,832,749 km

• M1: 121,922 km (0.114 R)
• M2: 926,908 km (0.102 R)
• M3: 1,380,340 km (0.076 R)
• M4: 1,714,990 km (0.077 R)
• M5: 2,072,230 km (0.079 R)
• M6: 2,645,339 km (0.072 R)
• M7: 2,959,644 km (0.105 R)
• M8: 3,455,561 km (0.099 R)
• M9: 3,832,697 km (0.097 R)
• M10: 4,369,305 km (0.04 R)
• M11: 4,698,121 km (0.111 R)
• M12: 6,216,091 km (0.102 R)
• M13: 6,704,378 km (0.097 R)
• M14: 7,446,084 km (0.071 R)
• M15: 11,892,582 km (0.107 R)
• M16: 12,481,848 km (0.11 R)
• M17: 15,724,980 km (0.063 R)
• M18: 17,031,718 km (0.075 R)
• M19: 19,271,198 km (0.086 R)
• M20: 26,429,905 km (0.103 R)
• M21: 27,433,407 km (0.062 R)
• M22: 30,398,287 km (0.089 R)
• M23: 35,290,736 km (0.057 R)
• M24: 35,619,702 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 9.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.38 AU - 6.58 AU

Year: 8855 Days

Day: 14 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,832,749 km

• M1: 114,742 km (0.042 R)
• M2: 402,867 km (0.102 R)
• M3: 764,296 km (0.052 R)
• M4: 1,159,383 km (0.11 R)
• M5: 2,106,188 km (0.087 R)
• M6: 2,626,340 km (0.038 R)
• M7: 3,169,680 km (0.042 R)
• M8: 5,061,794 km (0.11 R)
• M9: 7,571,447 km (0.061 R)
• M10: 9,156,287 km (0.046 R)
• M11: 10,180,584 km (0.086 R)
• M12: 13,021,148 km (0.041 R)
• M13: 15,810,101 km (0.104 R)
• M14: 16,169,585 km (0.101 R)
• M15: 18,907,226 km (0.082 R)
• M16: 20,919,168 km (0.104 R)
• M17: 23,688,075 km (0.097 R)
• M18: 26,776,822 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739

Radius: 7.6

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.79 AU - 8.61 AU

Year: 16208 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,832,749 km

• M1: 94,546 km (0.099 R)
• M2: 337,194 km (0.084 R)
• M3: 973,583 km (0.116 R)
• M4: 1,340,846 km (0.088 R)
• M5: 1,581,549 km (0.097 R)
• M6: 2,356,017 km (0.106 R)
• M7: 3,334,537 km (0.104 R)
• M8: 3,930,086 km (0.116 R)
• M9: 4,206,094 km (0.116 R)
• M10: 4,462,355 km (0.107 R)
• M11: 4,866,269 km (0.107 R)
• M12: 5,864,685 km (0.105 R)
• M13: 8,260,645 km (0.072 R)
• M14: 8,511,072 km (0.093 R)
• M15: 9,896,498 km (0.105 R)
• M16: 10,820,264 km (0.097 R)
• M17: 13,379,585 km (0.096 R)
• M18: 15,927,984 km (0.097 R)
• M19: 17,113,099 km (0.102 R)
• M20: 18,102,539 km (0.087 R)
• M21: 18,355,808 km (0.098 R)
• M22: 21,393,543 km (0.111 R)
• M23: 22,058,206 km (0.06 R)
• M24: 27,766,861 km (0.101 R)
• M25: 30,539,807 km (0.052 R)
• M26: 32,487,721 km (0.116 R)
• M27: 35,562,705 km (0.075 R)
• M28: 36,226,920 km (0.099 R)
• M29: 38,407,907 km (0.102 R)
• M30: 38,686,458 km (0.104 R)
• M31: 43,783,856 km (0.087 R)
• M32: 47,526,645 km (0.094 R)
• M33: 51,986,158 km (0.046 R)
• M34: 52,498,231 km (0.073 R)
• M35: 52,841,409 km (0.066 R)
• M36: 53,186,232 km (0.084 R)
• M37: 59,093,403 km (0.101 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: 455 - 12,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit