🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198

Radius: 11.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.57 AU - 0.75 AU

Year: 364 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,957,504 km

• M1: 147,803 km (0.101 R)
• M2: 376,239 km (0.032 R)
• M3: 796,609 km (0.081 R)
• M4: 1,087,128 km (0.118 R)
• M5: 1,320,800 km (0.104 R)
• M6: 1,545,196 km (0.091 R)
• M7: 1,874,761 km (0.104 R)
• M8: 2,118,755 km (0.114 R)
• M9: 3,052,395 km (0.064 R)
• M10: 3,294,295 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 14.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.66 AU - 0.96 AU

Year: 494 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,957,504 km

• M1: 181,313 km (0.059 R)
• M2: 463,604 km (0.059 R)
• M3: 791,822 km (0.076 R)
• M4: 1,065,586 km (0.115 R)
• M5: 1,347,129 km (0.097 R)
• M6: 1,770,341 km (0.082 R)
• M7: 2,052,932 km (0.066 R)
• M8: 2,380,252 km (0.098 R)
• M9: 2,648,780 km (0.083 R)
• M10: 3,130,635 km (0.051 R)
• M11: 4,067,566 km (0.096 R)
• M12: 4,442,010 km (0.114 R)
• M13: 4,897,086 km (0.111 R)
• M14: 5,264,499 km (0.072 R)
• M15: 5,795,272 km (0.077 R)
• M16: 6,076,366 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.6

Radius: 11.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.07 AU

Year: 658 Days

Day: 13 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,957,504 km

• M1: 149,448 km (0.036 R)
• M2: 415,882 km (0.069 R)
• M3: 687,253 km (0.099 R)
• M4: 1,207,404 km (0.111 R)
• M5: 1,452,296 km (0.106 R)
• M6: 1,744,461 km (0.113 R)
• M7: 2,204,624 km (0.087 R)
• M8: 2,892,624 km (0.045 R)
• M9: 3,340,670 km (0.087 R)
• M10: 3,604,261 km (0.085 R)
• M11: 3,979,453 km (0.081 R)
• M12: 4,244,241 km (0.092 R)
• M13: 4,651,746 km (0.068 R)
• M14: 5,700,576 km (0.09 R)
• M15: 6,202,029 km (0.071 R)
• M16: 7,471,815 km (0.077 R)
• M17: 7,804,072 km (0.098 R)
• M18: 8,424,155 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.07 AU - 1.75 AU

Year: 1136 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,957,504 km

• M1: 99,632 km (0.1 R)
• M2: 257,458 km (0.109 R)
• M3: 434,582 km (0.109 R)
• M4: 622,028 km (0.112 R)
• M5: 1,100,143 km (0.079 R)
• M6: 1,255,276 km (0.03 R)
• M7: 1,691,503 km (0.082 R)
• M8: 2,023,610 km (0.051 R)
• M9: 2,182,184 km (0.072 R)
• M10: 2,460,436 km (0.086 R)
• M11: 3,023,373 km (0.073 R)
• M12: 3,255,848 km (0.112 R)
• M13: 4,188,142 km (0.037 R)
• M14: 4,373,643 km (0.09 R)
• M15: 4,676,579 km (0.028 R)
• M16: 4,826,177 km (0.109 R)
• M17: 5,301,449 km (0.117 R)
• M18: 6,148,772 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.6

Radius: 13

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.24 AU - 2.76 AU

Year: 2681 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,957,504 km

• M1: 167,699 km (0.057 R)
• M2: 749,336 km (0.032 R)
• M3: 1,503,758 km (0.113 R)
• M4: 1,990,250 km (0.077 R)
• M5: 2,783,717 km (0.049 R)
• M6: 4,761,251 km (0.1 R)
• M7: 5,080,643 km (0.112 R)
• M8: 5,609,920 km (0.12 R)
• M9: 6,573,929 km (0.064 R)
• M10: 7,199,248 km (0.077 R)
• M11: 7,710,873 km (0.119 R)
• M12: 8,314,051 km (0.098 R)
• M13: 9,171,696 km (0.038 R)
• M14: 10,400,194 km (0.097 R)
• M15: 12,510,870 km (0.049 R)
• M16: 12,876,786 km (0.085 R)
• M17: 15,217,694 km (0.078 R)
• M18: 15,486,222 km (0.113 R)
• M19: 15,757,144 km (0.104 R)
• M20: 16,935,077 km (0.056 R)
• M21: 18,634,060 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.7

Radius: 6.9

Gravity: 19.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.92 AU - 8.82 AU

Year: 14975 Days

Day: 24.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,957,504 km

• M1: 132,993 km (0.066 R)
• M2: 690,095 km (0.1 R)
• M3: 1,397,244 km (0.108 R)
• M4: 1,786,199 km (0.055 R)
• M5: 2,477,191 km (0.098 R)
• M6: 3,137,815 km (0.074 R)
• M7: 4,882,127 km (0.076 R)
• M8: 8,258,251 km (0.079 R)
• M9: 10,442,530 km (0.083 R)
• M10: 16,862,074 km (0.078 R)
• M11: 20,309,706 km (0.09 R)
• M12: 22,311,774 km (0.12 R)
• M13: 24,243,532 km (0.095 R)
• M14: 25,745,195 km (0.111 R)
• M15: 28,884,357 km (0.11 R)
• M16: 35,706,169 km (0.107 R)
• M17: 41,083,465 km (0.118 R)
• M18: 42,486,842 km (0.083 R)
• M19: 44,024,559 km (0.098 R)
• M20: 49,152,774 km (0.096 R)
• M21: 58,712,078 km (0.068 R)
• M22: 60,387,873 km (0.052 R)
• M23: 64,479,525 km (0.09 R)
• M24: 66,507,623 km (0.084 R)
• M25: 67,739,561 km (0.085 R)
• M26: 69,957,499 km (0.08 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: 446 - 18,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit