🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.6

Radius: 10.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.6 AU - 0.84 AU

Year: 394 Days

Day: 14 Hours

Environment

Temp: -133 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,933,687 km

• M1: 129,402 km (0.064 R)
• M2: 462,257 km (0.119 R)
• M3: 782,247 km (0.12 R)
• M4: 1,134,251 km (0.118 R)
• M5: 1,471,445 km (0.086 R)
• M6: 2,123,542 km (0.075 R)
• M7: 2,545,707 km (0.076 R)
• M8: 2,914,765 km (0.107 R)
• M9: 3,414,571 km (0.106 R)
• M10: 3,800,534 km (0.069 R)
• M11: 4,455,623 km (0.091 R)
• M12: 4,871,505 km (0.097 R)
• M13: 5,232,335 km (0.049 R)
• M14: 5,920,186 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 14.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.06 AU - 1.28 AU

Year: 817 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,933,687 km

• M1: 177,872 km (0.117 R)
• M2: 779,854 km (0.117 R)
• M3: 1,557,314 km (0.077 R)
• M4: 2,510,701 km (0.061 R)
• M5: 5,236,075 km (0.093 R)
• M6: 6,550,592 km (0.085 R)
• M7: 7,099,466 km (0.101 R)
• M8: 7,957,260 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.3

Radius: 11.5

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.03 AU - 1.51 AU

Year: 924 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,933,687 km

• M1: 143,016 km (0.072 R)
• M2: 596,148 km (0.068 R)
• M3: 1,053,319 km (0.079 R)
• M4: 1,511,986 km (0.05 R)
• M5: 2,216,143 km (0.062 R)
• M6: 2,697,998 km (0.026 R)
• M7: 3,208,426 km (0.086 R)
• M8: 3,813,250 km (0.059 R)
• M9: 4,879,883 km (0.118 R)
• M10: 5,926,170 km (0.101 R)
• M11: 6,306,448 km (0.104 R)
• M12: 7,186,831 km (0.096 R)
• M13: 7,570,849 km (0.091 R)
• M14: 8,276,203 km (0.12 R)
• M15: 8,860,831 km (0.11 R)
• M16: 9,558,257 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 10.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.14 AU - 1.48 AU

Year: 968 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,933,687 km

• M1: 143,614 km (0.117 R)
• M2: 597,045 km (0.086 R)
• M3: 1,012,179 km (0.111 R)
• M4: 1,596,508 km (0.098 R)
• M5: 2,041,712 km (0.041 R)
• M6: 2,383,992 km (0.103 R)
• M7: 2,917,906 km (0.066 R)
• M8: 3,340,969 km (0.113 R)
• M9: 3,867,703 km (0.05 R)
• M10: 4,277,302 km (0.087 R)
• M11: 5,808,137 km (0.06 R)
• M12: 6,347,138 km (0.056 R)
• M13: 7,014,046 km (0.03 R)
• M14: 7,701,448 km (0.06 R)
• M15: 8,140,368 km (0.059 R)
• M16: 8,705,698 km (0.095 R)
• M17: 9,354,654 km (0.119 R)
• M18: 10,096,211 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 10.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.43 AU - 1.89 AU

Year: 1381 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,933,687 km

• M1: 133,142 km (0.108 R)
• M2: 467,344 km (0.104 R)
• M3: 912,697 km (0.108 R)
• M4: 1,520,662 km (0.085 R)
• M5: 2,448,468 km (0.099 R)
• M6: 2,892,475 km (0.071 R)
• M7: 3,375,975 km (0.077 R)
• M8: 4,833,806 km (0.107 R)
• M9: 5,345,581 km (0.089 R)
• M10: 6,159,842 km (0.096 R)
• M11: 6,896,163 km (0.114 R)
• M12: 7,545,717 km (0.087 R)
• M13: 8,134,534 km (0.049 R)
• M14: 8,860,083 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 9.8

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.96 AU - 2.1 AU

Year: 1867 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,933,687 km

• M1: 121,922 km (0.069 R)
• M2: 463,454 km (0.103 R)
• M3: 931,546 km (0.091 R)
• M4: 1,661,883 km (0.102 R)
• M5: 2,121,298 km (0.111 R)
• M6: 2,621,254 km (0.098 R)
• M7: 5,014,521 km (0.044 R)
• M8: 5,494,281 km (0.079 R)
• M9: 6,679,695 km (0.093 R)
• M10: 7,035,737 km (0.085 R)
• M11: 7,549,756 km (0.098 R)
• M12: 8,150,242 km (0.061 R)
• M13: 8,621,026 km (0.105 R)
• M14: 10,001,366 km (0.057 R)
• M15: 10,578,215 km (0.054 R)
• M16: 11,368,690 km (0.08 R)
• M17: 12,198,061 km (0.048 R)
• M18: 12,772,965 km (0.06 R)
• M19: 15,922,749 km (0.107 R)
• M20: 16,312,900 km (0.093 R)
• M21: 16,659,518 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.2

Radius: 8.7

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.59 AU - 5.47 AU

Year: 6225 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,933,687 km

• M1: 108,309 km (0.074 R)
• M2: 562,338 km (0.073 R)
• M3: 997,519 km (0.064 R)
• M4: 1,298,809 km (0.062 R)
• M5: 1,744,461 km (0.119 R)
• M6: 2,306,650 km (0.088 R)
• M7: 2,725,823 km (0.031 R)
• M8: 3,393,029 km (0.118 R)
• M9: 3,862,767 km (0.102 R)
• M10: 4,510,226 km (0.078 R)
• M11: 4,932,391 km (0.03 R)
• M12: 6,324,250 km (0.108 R)
• M13: 8,122,716 km (0.107 R)
• M14: 9,007,737 km (0.079 R)
• M15: 9,587,129 km (0.107 R)
• M16: 11,068,597 km (0.12 R)
• M17: 12,807,373 km (0.115 R)
• M18: 13,712,739 km (0.06 R)
• M19: 14,660,143 km (0.111 R)
• M20: 17,219,014 km (0.044 R)
• M21: 18,462,172 km (0.1 R)
• M22: 20,361,916 km (0.118 R)
• M23: 20,741,595 km (0.064 R)
• M24: 28,886,302 km (0.118 R)
• M25: 32,150,677 km (0.034 R)
• M26: 34,137,486 km (0.114 R)
• M27: 34,565,934 km (0.106 R)
• M28: 37,212,620 km (0.062 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 14,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit