🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 9.3

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.55 AU - 0.67 AU

Year: 323 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,194,780 km

• M1: 115,639 km (0.082 R)
• M2: 446,101 km (0.102 R)
• M3: 937,231 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.96 AU - 1.1 AU

Year: 709 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,194,780 km

• M1: 172,935 km (0.079 R)
• M2: 739,612 km (0.068 R)
• M3: 1,341,295 km (0.113 R)
• M4: 1,890,618 km (0.061 R)
• M5: 2,366,339 km (0.052 R)
• M6: 2,874,972 km (0.069 R)
• M7: 4,070,857 km (0.037 R)
• M8: 5,173,244 km (0.115 R)
• M9: 5,823,995 km (0.044 R)
• M10: 6,740,282 km (0.069 R)
• M11: 7,517,891 km (0.111 R)
• M12: 8,429,092 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 14.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.08 AU - 1.14 AU

Year: 793 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,194,780 km

• M1: 185,352 km (0.04 R)
• M2: 654,491 km (0.102 R)
• M3: 1,297,462 km (0.093 R)
• M4: 1,817,315 km (0.078 R)
• M5: 3,173,120 km (0.03 R)
• M6: 3,702,398 km (0.082 R)
• M7: 4,957,673 km (0.05 R)
• M8: 5,602,141 km (0.073 R)
• M9: 6,996,244 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 14.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.27 AU - 1.91 AU

Year: 1360 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,194,780 km

• M1: 185,801 km (0.036 R)
• M2: 688,150 km (0.026 R)
• M3: 1,664,426 km (0.119 R)
• M4: 2,238,433 km (0.08 R)
• M5: 2,767,860 km (0.057 R)
• M6: 3,520,337 km (0.091 R)
• M7: 4,554,806 km (0.038 R)
• M8: 5,478,424 km (0.101 R)
• M9: 6,238,830 km (0.112 R)
• M10: 6,767,658 km (0.051 R)
• M11: 7,590,446 km (0.085 R)
• M12: 9,068,922 km (0.063 R)
• M13: 9,686,163 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.1

Radius: 10.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.72 AU - 2.14 AU

Year: 1819 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,194,780 km

• M1: 133,142 km (0.088 R)
• M2: 479,012 km (0.09 R)
• M3: 1,108,520 km (0.08 R)
• M4: 1,587,832 km (0.078 R)
• M5: 2,057,270 km (0.082 R)
• M6: 2,453,405 km (0.083 R)
• M7: 3,789,763 km (0.098 R)
• M8: 4,207,291 km (0.119 R)
• M9: 4,674,784 km (0.093 R)
• M10: 6,553,733 km (0.116 R)
• M11: 8,076,340 km (0.106 R)
• M12: 8,770,923 km (0.119 R)
• M13: 10,147,224 km (0.072 R)
• M14: 12,778,650 km (0.099 R)
• M15: 13,166,258 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 12.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.68 AU - 2.38 AU

Year: 1962 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,194,780 km

• M1: 155,432 km (0.099 R)
• M2: 590,612 km (0.043 R)
• M3: 1,189,453 km (0.107 R)
• M4: 1,839,007 km (0.034 R)
• M5: 3,209,323 km (0.039 R)
• M6: 5,016,166 km (0.113 R)
• M7: 6,320,211 km (0.099 R)
• M8: 7,193,114 km (0.118 R)
• M9: 7,629,192 km (0.114 R)
• M10: 8,879,382 km (0.101 R)
• M11: 10,261,666 km (0.043 R)
• M12: 14,339,554 km (0.08 R)
• M13: 14,938,694 km (0.05 R)
• M14: 15,747,569 km (0.054 R)
• M15: 16,485,237 km (0.079 R)
• M16: 17,452,536 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.6

Radius: 7

Gravity: 19.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.14 AU - 10.38 AU

Year: 19112 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,194,780 km

• M1: 143,016 km (0.081 R)
• M2: 436,078 km (0.097 R)
• M3: 686,505 km (0.045 R)
• M4: 973,284 km (0.117 R)
• M5: 1,193,941 km (0.063 R)
• M6: 1,497,175 km (0.117 R)
• M7: 2,089,583 km (0.03 R)
• M8: 2,326,247 km (0.09 R)
• M9: 2,653,417 km (0.111 R)
• M10: 3,791,558 km (0.072 R)
• M11: 4,046,922 km (0.086 R)
• M12: 4,451,733 km (0.058 R)
• M13: 4,772,621 km (0.075 R)
• M14: 6,213,847 km (0.077 R)
• M15: 7,273,748 km (0.097 R)
• M16: 8,342,475 km (0.081 R)
• M17: 8,666,205 km (0.058 R)
• M18: 9,281,501 km (0.079 R)
• M19: 10,289,042 km (0.058 R)
• M20: 10,536,328 km (0.107 R)
• M21: 11,499,289 km (0.062 R)
• M22: 13,599,194 km (0.076 R)
• M23: 13,822,394 km (0.115 R)
• M24: 14,506,506 km (0.078 R)
• M25: 16,273,556 km (0.117 R)
• M26: 16,525,179 km (0.1 R)
• M27: 18,179,432 km (0.073 R)
• M28: 19,466,872 km (0.083 R)
• M29: 20,326,012 km (0.069 R)
• M30: 27,889,531 km (0.099 R)
• M31: 28,370,937 km (0.03 R)
• M32: 31,376,508 km (0.1 R)
• M33: 34,864,981 km (0.047 R)
• M34: 36,558,877 km (0.105 R)
• M35: 49,626,850 km (0.108 R)
• M36: 55,281,649 km (0.086 R)
• M37: 58,361,570 km (0.093 R)
• M38: 66,558,037 km (0.082 R)
• M39: 80,239,960 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 15,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit