🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 10.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.88 AU

Year: 411 Days

Day: 6.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,124,577 km

• M1: 128,056 km (0.116 R)
• M2: 452,683 km (0.114 R)
• M3: 890,855 km (0.107 R)
• M4: 1,254,079 km (0.063 R)
• M5: 1,717,533 km (0.106 R)
• M6: 2,058,766 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 8.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.95 AU - 1.27 AU

Year: 755 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,124,577 km

• M1: 106,065 km (0.03 R)
• M2: 363,672 km (0.112 R)
• M3: 658,530 km (0.097 R)
• M4: 1,162,675 km (0.089 R)
• M5: 1,617,602 km (0.117 R)
• M6: 1,933,403 km (0.1 R)
• M7: 2,338,664 km (0.118 R)
• M8: 2,790,599 km (0.103 R)
• M9: 3,268,564 km (0.046 R)
• M10: 4,033,159 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.4

Radius: 14.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.47 AU - 2.25 AU

Year: 1638 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,124,577 km

• M1: 175,628 km (0.077 R)
• M2: 704,307 km (0.084 R)
• M3: 1,417,589 km (0.091 R)
• M4: 2,026,453 km (0.043 R)
• M5: 2,710,115 km (0.111 R)
• M6: 3,206,930 km (0.111 R)
• M7: 3,941,006 km (0.116 R)
• M8: 5,035,165 km (0.073 R)
• M9: 5,839,852 km (0.083 R)
• M10: 6,600,258 km (0.109 R)
• M11: 7,288,109 km (0.069 R)
• M12: 8,052,554 km (0.1 R)
• M13: 8,745,492 km (0.114 R)
• M14: 9,808,833 km (0.104 R)
• M15: 11,248,114 km (0.063 R)
• M16: 14,455,642 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 15

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.81 AU - 2.01 AU

Year: 1704 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,124,577 km

• M1: 191,036 km (0.067 R)
• M2: 662,868 km (0.098 R)
• M3: 1,179,729 km (0.112 R)
• M4: 2,288,847 km (0.075 R)
• M5: 3,630,591 km (0.077 R)
• M6: 4,504,691 km (0.06 R)
• M7: 5,790,485 km (0.118 R)
• M8: 7,530,308 km (0.09 R)
• M9: 8,340,231 km (0.087 R)
• M10: 9,271,777 km (0.111 R)
• M11: 10,066,142 km (0.068 R)
• M12: 10,691,461 km (0.068 R)
• M13: 12,329,707 km (0.059 R)
• M14: 13,086,822 km (0.092 R)
• M15: 14,087,183 km (0.076 R)
• M16: 14,959,338 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 12.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.2 AU - 3.28 AU

Year: 2928 Days

Day: 13.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,124,577 km

• M1: 154,235 km (0.078 R)
• M2: 717,172 km (0.059 R)
• M3: 1,278,314 km (0.071 R)
• M4: 1,690,157 km (0.067 R)
• M5: 2,259,526 km (0.106 R)
• M6: 3,072,291 km (0.089 R)
• M7: 4,347,015 km (0.105 R)
• M8: 5,476,479 km (0.072 R)
• M9: 6,416,851 km (0.117 R)
• M10: 6,970,812 km (0.096 R)
• M11: 7,461,942 km (0.046 R)
• M12: 8,377,032 km (0.079 R)
• M13: 9,737,026 km (0.051 R)
• M14: 11,156,560 km (0.112 R)
• M15: 11,872,985 km (0.115 R)
• M16: 12,441,307 km (0.045 R)
• M17: 13,965,859 km (0.083 R)
• M18: 14,599,406 km (0.074 R)
• M19: 17,051,614 km (0.065 R)
• M20: 19,106,790 km (0.086 R)
• M21: 20,194,217 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 14.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.79 AU - 4.57 AU

Year: 4558 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,124,577 km

• M1: 176,525 km (0.063 R)
• M2: 697,575 km (0.112 R)
• M3: 1,231,938 km (0.087 R)
• M4: 1,723,517 km (0.107 R)
• M5: 2,305,004 km (0.039 R)
• M6: 3,193,466 km (0.112 R)
• M7: 4,255,910 km (0.083 R)
• M8: 6,406,978 km (0.104 R)
• M9: 7,720,148 km (0.042 R)
• M10: 8,511,820 km (0.086 R)
• M11: 9,281,351 km (0.074 R)
• M12: 10,056,866 km (0.111 R)
• M13: 11,517,989 km (0.084 R)
• M14: 12,552,458 km (0.075 R)
• M15: 16,975,918 km (0.1 R)
• M16: 18,315,417 km (0.074 R)
• M17: 19,411,969 km (0.032 R)
• M18: 24,024,221 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 13.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.23 AU - 4.13 AU

Year: 4558 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 80.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,124,577 km

• M1: 165,754 km (0.091 R)
• M2: 715,676 km (0.116 R)
• M3: 1,604,736 km (0.106 R)
• M4: 2,207,317 km (0.061 R)
• M5: 2,781,772 km (0.103 R)
• M6: 4,617,039 km (0.107 R)
• M7: 5,049,227 km (0.091 R)
• M8: 6,114,514 km (0.099 R)
• M9: 7,290,503 km (0.077 R)
• M10: 8,350,553 km (0.098 R)
• M11: 9,230,937 km (0.03 R)
• M12: 12,390,444 km (0.063 R)
• M13: 14,696,345 km (0.11 R)
• M14: 17,518,210 km (0.102 R)
• M15: 18,198,282 km (0.077 R)
• M16: 18,960,184 km (0.105 R)
• M17: 23,166,277 km (0.101 R)
• M18: 23,910,527 km (0.078 R)
• M19: 25,604,124 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 11,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit