🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.8

Radius: 10.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.86 AU - 0.92 AU

Year: 580 Days

Day: 10.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,523,514 km

• M1: 130,599 km (0.103 R)
• M2: 480,060 km (0.112 R)
• M3: 895,194 km (0.106 R)
• M4: 3,075,882 km (0.06 R)
• M5: 3,509,117 km (0.093 R)
• M6: 4,035,103 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 9.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.12 AU - 1.62 AU

Year: 1107 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,523,514 km

• M1: 120,277 km (0.114 R)
• M2: 527,781 km (0.071 R)
• M3: 1,029,533 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 12.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.19 AU - 2.19 AU

Year: 2237 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,523,514 km

• M1: 162,014 km (0.102 R)
• M2: 583,282 km (0.032 R)
• M3: 1,097,151 km (0.119 R)
• M4: 2,592,382 km (0.037 R)
• M5: 4,461,308 km (0.082 R)
• M6: 6,040,762 km (0.091 R)
• M7: 8,098,630 km (0.109 R)
• M8: 8,925,757 km (0.103 R)
• M9: 9,567,681 km (0.072 R)
• M10: 10,240,124 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 12.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.41 AU - 2.71 AU

Year: 2827 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,523,514 km

• M1: 154,235 km (0.056 R)
• M2: 603,478 km (0.034 R)
• M3: 1,179,579 km (0.106 R)
• M4: 2,124,140 km (0.11 R)
• M5: 2,510,701 km (0.101 R)
• M6: 3,111,785 km (0.099 R)
• M7: 3,671,730 km (0.113 R)
• M8: 4,171,686 km (0.12 R)
• M9: 5,509,091 km (0.118 R)
• M10: 6,112,270 km (0.114 R)
• M11: 7,114,426 km (0.063 R)
• M12: 7,830,701 km (0.045 R)
• M13: 9,119,037 km (0.1 R)
• M14: 11,433,915 km (0.08 R)
• M15: 12,285,875 km (0.083 R)
• M16: 12,682,907 km (0.057 R)
• M17: 13,363,727 km (0.118 R)
• M18: 14,454,745 km (0.12 R)
• M19: 18,198,282 km (0.105 R)
• M20: 19,777,586 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 11.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.6 AU - 5.78 AU

Year: 8161 Days

Day: 14 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,523,514 km

• M1: 142,567 km (0.099 R)
• M2: 515,065 km (0.097 R)
• M3: 1,270,236 km (0.109 R)
• M4: 2,165,579 km (0.111 R)
• M5: 3,506,125 km (0.059 R)
• M6: 3,962,249 km (0.119 R)
• M7: 5,278,860 km (0.037 R)
• M8: 9,817,360 km (0.091 R)
• M9: 10,220,377 km (0.087 R)
• M10: 11,252,602 km (0.075 R)
• M11: 14,650,718 km (0.092 R)
• M12: 15,536,337 km (0.113 R)
• M13: 21,691,542 km (0.103 R)
• M14: 22,763,710 km (0.082 R)
• M15: 26,107,072 km (0.088 R)
• M16: 28,842,769 km (0.057 R)
• M17: 32,946,089 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.1

Radius: 4.6

Gravity: 40.08 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.41 AU - 8.33 AU

Year: 12429 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,523,514 km

• M1: 59,540 km (0.116 R)
• M2: 203,453 km (0.06 R)
• M3: 532,718 km (0.116 R)
• M4: 838,496 km (0.115 R)
• M5: 1,175,989 km (0.118 R)
• M6: 1,828,086 km (0.095 R)
• M7: 2,372,921 km (0.099 R)
• M8: 2,784,615 km (0.086 R)
• M9: 3,293,248 km (0.105 R)
• M10: 3,861,570 km (0.116 R)
• M11: 4,783,392 km (0.083 R)
• M12: 6,072,477 km (0.039 R)
• M13: 6,307,794 km (0.119 R)
• M14: 6,549,245 km (0.115 R)
• M15: 7,622,161 km (0.103 R)
• M16: 9,893,206 km (0.089 R)
• M17: 13,884,029 km (0.097 R)
• M18: 14,639,348 km (0.088 R)
• M19: 14,920,742 km (0.078 R)
• M20: 17,224,549 km (0.047 R)
• M21: 17,775,817 km (0.037 R)
• M22: 20,621,318 km (0.081 R)
• M23: 21,332,357 km (0.093 R)
• M24: 21,694,085 km (0.052 R)
• M25: 23,181,387 km (0.118 R)
• M26: 26,773,980 km (0.105 R)
• M27: 29,476,166 km (0.118 R)
• M28: 30,037,607 km (0.093 R)
• M29: 31,764,714 km (0.116 R)
• M30: 39,200,476 km (0.073 R)
• M31: 45,147,590 km (0.084 R)
• M32: 47,256,023 km (0.03 R)
• M33: 50,700,663 km (0.079 R)
• M34: 54,813,857 km (0.059 R)
• M35: 58,260,292 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.7

Radius: 4.8

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.76 AU - 8.1 AU

Year: 15414 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,523,514 km

• M1: 59,839 km (0.116 R)
• M2: 258,655 km (0.12 R)
• M3: 582,684 km (0.072 R)
• M4: 914,641 km (0.094 R)
• M5: 1,931,757 km (0.084 R)
• M6: 2,091,677 km (0.081 R)
• M7: 2,493,497 km (0.118 R)
• M8: 2,762,325 km (0.118 R)
• M9: 2,945,133 km (0.05 R)
• M10: 3,710,027 km (0.095 R)
• M11: 4,086,565 km (0.113 R)
• M12: 5,463,464 km (0.097 R)
• M13: 8,871,603 km (0.061 R)
• M14: 10,345,142 km (0.068 R)
• M15: 10,937,549 km (0.092 R)
• M16: 11,500,037 km (0.072 R)
• M17: 12,627,107 km (0.067 R)
• M18: 13,825,985 km (0.045 R)
• M19: 16,054,395 km (0.037 R)
• M20: 16,914,582 km (0.069 R)
• M21: 17,390,304 km (0.037 R)
• M22: 19,604,801 km (0.034 R)
• M23: 20,740,847 km (0.12 R)
• M24: 25,370,303 km (0.103 R)
• M25: 32,170,872 km (0.093 R)
• M26: 37,973,026 km (0.1 R)
• M27: 38,437,378 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.5

Radius: 5.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.96 AU - 11.34 AU

Year: 19105 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,523,514 km

• M1: 84,224 km (0.053 R)
• M2: 451,337 km (0.057 R)
• M3: 969,693 km (0.11 R)
• M4: 1,571,526 km (0.104 R)
• M5: 2,488,411 km (0.093 R)
• M6: 5,304,890 km (0.107 R)
• M7: 5,763,108 km (0.11 R)
• M8: 6,106,136 km (0.096 R)
• M9: 6,871,030 km (0.044 R)
• M10: 7,100,813 km (0.096 R)
• M11: 9,220,016 km (0.091 R)
• M12: 12,277,946 km (0.09 R)
• M13: 13,019,652 km (0.112 R)
• M14: 13,253,773 km (0.093 R)
• M15: 14,156,746 km (0.098 R)
• M16: 21,984,155 km (0.116 R)
• M17: 23,504,967 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 13,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit