🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 9

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.73 AU - 1.01 AU

Year: 532 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,869,705 km

• M1: 112,049 km (0.115 R)
• M2: 414,984 km (0.101 R)
• M3: 842,535 km (0.112 R)
• M4: 1,146,368 km (0.074 R)
• M5: 1,724,714 km (0.099 R)
• M6: 2,466,420 km (0.104 R)
• M7: 3,319,726 km (0.109 R)
• M8: 4,041,386 km (0.1 R)
• M9: 4,959,917 km (0.106 R)
• M10: 5,477,227 km (0.06 R)
• M11: 6,619,407 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 13.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.71 AU - 1.05 AU

Year: 542 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,869,705 km

• M1: 172,935 km (0.069 R)
• M2: 735,872 km (0.104 R)
• M3: 1,532,331 km (0.032 R)
• M4: 2,025,705 km (0.04 R)
• M5: 3,244,030 km (0.115 R)
• M6: 3,822,076 km (0.112 R)
• M7: 4,306,923 km (0.092 R)
• M8: 4,919,825 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 13.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.04 AU - 2.82 AU

Year: 2485 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,869,705 km

• M1: 165,754 km (0.119 R)
• M2: 674,986 km (0.077 R)
• M3: 1,091,765 km (0.108 R)
• M4: 1,552,676 km (0.066 R)
• M5: 2,838,320 km (0.109 R)
• M6: 3,868,751 km (0.078 R)
• M7: 4,454,127 km (0.109 R)
• M8: 6,638,705 km (0.082 R)
• M9: 7,108,442 km (0.037 R)
• M10: 8,419,219 km (0.057 R)
• M11: 9,024,192 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 13.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.21 AU - 3.03 AU

Year: 2782 Days

Day: 9 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,869,705 km

• M1: 167,849 km (0.117 R)
• M2: 673,190 km (0.096 R)
• M3: 1,823,149 km (0.081 R)
• M4: 2,687,227 km (0.093 R)
• M5: 4,638,432 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.6

Radius: 11.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.37 AU - 3.19 AU

Year: 3041 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,869,705 km

• M1: 148,700 km (0.047 R)
• M2: 729,738 km (0.119 R)
• M3: 1,609,823 km (0.115 R)
• M4: 2,023,012 km (0.109 R)
• M5: 2,464,475 km (0.091 R)
• M6: 2,905,340 km (0.09 R)
• M7: 3,713,917 km (0.067 R)
• M8: 4,403,713 km (0.106 R)
• M9: 6,645,885 km (0.112 R)
• M10: 9,454,137 km (0.084 R)
• M11: 10,121,343 km (0.098 R)
• M12: 11,508,265 km (0.08 R)
• M13: 11,926,840 km (0.102 R)
• M14: 13,750,887 km (0.094 R)
• M15: 15,907,938 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 15

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.96 AU - 4.2 AU

Year: 4444 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,869,705 km

• M1: 186,549 km (0.098 R)
• M2: 717,023 km (0.12 R)
• M3: 1,683,425 km (0.102 R)
• M4: 2,830,392 km (0.079 R)
• M5: 3,811,155 km (0.077 R)
• M6: 4,430,790 km (0.095 R)
• M7: 6,836,922 km (0.108 R)
• M8: 7,640,711 km (0.109 R)
• M9: 8,201,105 km (0.108 R)
• M10: 13,554,165 km (0.1 R)
• M11: 15,934,417 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.1

Radius: 3.3

Gravity: 76.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.78 AU - 8.64 AU

Year: 12700 Days

Day: 19.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,869,705 km

• M1: 41,289 km (0.073 R)
• M2: 320,588 km (0.096 R)
• M3: 427,401 km (0.085 R)
• M4: 637,736 km (0.114 R)
• M5: 762,052 km (0.102 R)
• M6: 1,084,136 km (0.093 R)
• M7: 2,484,970 km (0.103 R)
• M8: 3,082,015 km (0.103 R)
• M9: 3,387,494 km (0.105 R)
• M10: 3,629,693 km (0.099 R)
• M11: 5,331,369 km (0.099 R)
• M12: 6,721,881 km (0.059 R)
• M13: 7,017,935 km (0.087 R)
• M14: 9,029,428 km (0.086 R)
• M15: 10,304,152 km (0.038 R)
• M16: 12,879,180 km (0.088 R)
• M17: 14,005,502 km (0.119 R)
• M18: 14,279,865 km (0.071 R)
• M19: 16,988,783 km (0.066 R)
• M20: 18,834,671 km (0.073 R)
• M21: 19,677,356 km (0.092 R)
• M22: 21,893,200 km (0.103 R)
• M23: 22,636,103 km (0.082 R)
• M24: 23,108,682 km (0.099 R)
• M25: 23,491,653 km (0.035 R)
• M26: 26,394,749 km (0.063 R)
• M27: 27,129,723 km (0.057 R)
• M28: 27,342,152 km (0.094 R)
• M29: 28,094,480 km (0.103 R)
• M30: 31,710,111 km (0.104 R)
• M31: 34,244,000 km (0.034 R)
• M32: 34,741,562 km (0.091 R)
• M33: 41,092,441 km (0.112 R)
• M34: 44,687,278 km (0.099 R)
• M35: 46,636,837 km (0.057 R)
• M36: 49,587,057 km (0.063 R)
• M37: 56,891,621 km (0.08 R)
• M38: 57,065,454 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.7

Radius: 5.4

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.45 AU - 9.61 AU

Year: 16343 Days

Day: 23.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,869,705 km

• M1: 68,366 km (0.112 R)
• M2: 300,093 km (0.068 R)
• M3: 589,266 km (0.051 R)
• M4: 2,888,286 km (0.093 R)
• M5: 6,090,129 km (0.092 R)
• M6: 6,835,576 km (0.087 R)
• M7: 7,167,084 km (0.118 R)
• M8: 8,841,234 km (0.099 R)
• M9: 9,639,937 km (0.093 R)
• M10: 11,552,995 km (0.12 R)
• M11: 12,323,723 km (0.028 R)
• M12: 13,382,577 km (0.112 R)
• M13: 13,575,558 km (0.119 R)
• M14: 15,537,983 km (0.113 R)
• M15: 21,298,847 km (0.096 R)
• M16: 23,372,423 km (0.082 R)
• M17: 24,029,308 km (0.081 R)
• M18: 25,086,366 km (0.064 R)
• M19: 29,843,429 km (0.118 R)
• M20: 32,898,068 km (0.052 R)
• M21: 33,604,170 km (0.05 R)
• M22: 35,906,481 km (0.085 R)
• M23: 36,154,813 km (0.108 R)
• M24: 36,906,543 km (0.104 R)
• M25: 44,862,756 km (0.101 R)
• M26: 46,315,501 km (0.055 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: 522 - 10,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit