🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 12

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,156,139 km

• M1: 149,299 km (0.087 R)
• M2: 614,997 km (0.088 R)
• M3: 1,079,797 km (0.088 R)
• M4: 1,574,667 km (0.103 R)
• M5: 2,039,318 km (0.086 R)
• M6: 2,548,400 km (0.05 R)
• M7: 2,982,383 km (0.116 R)
• M8: 3,408,288 km (0.06 R)
• M9: 3,812,801 km (0.057 R)
• M10: 4,276,106 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 8.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.55 AU - 2.37 AU

Year: 1830 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,156,139 km

• M1: 105,915 km (0.094 R)
• M2: 381,175 km (0.119 R)
• M3: 723,455 km (0.103 R)
• M4: 1,521,111 km (0.038 R)
• M5: 1,845,888 km (0.12 R)
• M6: 3,335,584 km (0.026 R)
• M7: 3,871,742 km (0.116 R)
• M8: 5,474,833 km (0.09 R)
• M9: 7,084,357 km (0.112 R)
• M10: 8,570,163 km (0.106 R)
• M11: 10,023,357 km (0.076 R)
• M12: 10,519,872 km (0.084 R)
• M13: 11,778,439 km (0.064 R)
• M14: 12,786,280 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 9.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.94 AU - 3.16 AU

Year: 2715 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,156,139 km

• M1: 118,781 km (0.036 R)
• M2: 849,716 km (0.104 R)
• M3: 1,627,176 km (0.093 R)
• M4: 2,236,189 km (0.113 R)
• M5: 2,615,569 km (0.098 R)
• M6: 3,349,496 km (0.053 R)
• M7: 4,234,966 km (0.106 R)
• M8: 4,797,454 km (0.086 R)
• M9: 7,767,720 km (0.055 R)
• M10: 9,723,562 km (0.068 R)
• M11: 13,026,534 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.5

Radius: 7.5

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.73 AU - 6.73 AU

Year: 11643 Days

Day: 19 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,156,139 km

• M1: 93,199 km (0.094 R)
• M2: 439,967 km (0.1 R)
• M3: 742,753 km (0.063 R)
• M4: 2,075,970 km (0.096 R)
• M5: 2,822,613 km (0.109 R)
• M6: 3,069,300 km (0.117 R)
• M7: 3,897,324 km (0.099 R)
• M8: 4,175,576 km (0.067 R)
• M9: 4,466,992 km (0.075 R)
• M10: 5,058,353 km (0.044 R)
• M11: 5,950,854 km (0.064 R)
• M12: 9,255,919 km (0.109 R)
• M13: 9,752,884 km (0.092 R)
• M14: 11,862,513 km (0.107 R)
• M15: 12,749,329 km (0.098 R)
• M16: 13,116,143 km (0.071 R)
• M17: 13,679,528 km (0.111 R)
• M18: 14,787,600 km (0.057 R)
• M19: 17,107,564 km (0.103 R)
• M20: 17,553,964 km (0.091 R)
• M21: 21,323,830 km (0.079 R)
• M22: 22,543,352 km (0.075 R)
• M23: 23,625,244 km (0.043 R)
• M24: 24,178,905 km (0.065 R)
• M25: 28,093,433 km (0.047 R)
• M26: 29,877,836 km (0.094 R)
• M27: 35,682,982 km (0.104 R)
• M28: 37,150,387 km (0.1 R)
• M29: 37,398,720 km (0.078 R)
• M30: 39,426,220 km (0.097 R)
• M31: 44,393,318 km (0.052 R)
• M32: 44,673,215 km (0.107 R)
• M33: 45,519,640 km (0.108 R)
• M34: 46,953,984 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.7

Radius: 5.7

Gravity: 29.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.79 AU - 8.77 AU

Year: 15888 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,156,139 km

• M1: 70,909 km (0.045 R)
• M2: 312,660 km (0.094 R)
• M3: 870,510 km (0.109 R)
• M4: 1,340,696 km (0.05 R)
• M5: 1,641,089 km (0.087 R)
• M6: 2,649,827 km (0.046 R)
• M7: 3,231,314 km (0.093 R)
• M8: 3,424,295 km (0.104 R)
• M9: 5,144,970 km (0.094 R)
• M10: 7,514,451 km (0.118 R)
• M11: 8,052,853 km (0.114 R)
• M12: 9,539,407 km (0.075 R)
• M13: 10,951,611 km (0.105 R)
• M14: 13,182,864 km (0.036 R)
• M15: 14,553,180 km (0.076 R)
• M16: 14,777,876 km (0.087 R)
• M17: 15,543,668 km (0.092 R)
• M18: 16,175,120 km (0.08 R)
• M19: 16,988,334 km (0.108 R)
• M20: 18,258,719 km (0.098 R)
• M21: 18,872,819 km (0.083 R)
• M22: 19,229,759 km (0.09 R)
• M23: 23,975,752 km (0.098 R)
• M24: 25,571,362 km (0.077 R)
• M25: 28,385,598 km (0.031 R)
• M26: 31,275,230 km (0.079 R)
• M27: 32,280,378 km (0.06 R)
• M28: 36,793,297 km (0.099 R)
• M29: 42,011,271 km (0.088 R)
• M30: 50,730,284 km (0.072 R)
• M31: 53,527,764 km (0.09 R)
• M32: 57,726,976 km (0.084 R)
• M33: 57,914,422 km (0.111 R)
• M34: 63,927,209 km (0.092 R)
• M35: 64,530,238 km (0.071 R)
• M36: 65,137,007 km (0.081 R)
• M37: 66,980,352 km (0.106 R)
• M38: 69,916,360 km (0.091 R)
• M39: 70,985,386 km (0.118 R)
• M40: 72,282,550 km (0.109 R)
• M41: 72,718,478 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit