🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 10.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.11 AU - 2.89 AU

Year: 2681 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,241,428 km

• M1: 131,945 km (0.065 R)
• M2: 705,055 km (0.103 R)
• M3: 1,072,916 km (0.065 R)
• M4: 1,490,593 km (0.058 R)
• M5: 1,824,944 km (0.1 R)
• M6: 2,221,828 km (0.031 R)
• M7: 2,676,306 km (0.114 R)
• M8: 3,269,162 km (0.1 R)
• M9: 3,722,893 km (0.098 R)
• M10: 4,181,560 km (0.096 R)
• M11: 4,960,965 km (0.087 R)
• M12: 5,562,049 km (0.112 R)
• M13: 6,307,944 km (0.059 R)
• M14: 7,145,692 km (0.051 R)
• M15: 8,055,845 km (0.091 R)
• M16: 9,229,141 km (0.099 R)
• M17: 10,755,339 km (0.108 R)
• M18: 11,874,630 km (0.08 R)
• M19: 12,636,831 km (0.066 R)
• M20: 13,717,227 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 13.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.22 AU - 3.58 AU

Year: 3350 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,241,428 km

• M1: 166,652 km (0.115 R)
• M2: 589,416 km (0.042 R)
• M3: 1,283,550 km (0.093 R)
• M4: 1,950,906 km (0.119 R)
• M5: 3,175,364 km (0.117 R)
• M6: 3,923,653 km (0.065 R)
• M7: 4,548,074 km (0.11 R)
• M8: 6,025,054 km (0.065 R)
• M9: 6,920,996 km (0.063 R)
• M10: 7,699,952 km (0.098 R)
• M11: 8,357,584 km (0.094 R)
• M12: 9,549,580 km (0.1 R)
• M13: 11,457,551 km (0.087 R)
• M14: 11,994,608 km (0.113 R)
• M15: 12,595,393 km (0.1 R)
• M16: 13,857,101 km (0.092 R)
• M17: 14,831,282 km (0.082 R)
• M18: 15,960,447 km (0.096 R)
• M19: 16,517,998 km (0.083 R)
• M20: 17,146,310 km (0.086 R)
• M21: 18,028,638 km (0.099 R)
• M22: 18,879,251 km (0.11 R)
• M23: 19,314,431 km (0.056 R)
• M24: 22,068,379 km (0.078 R)
• M25: 23,254,091 km (0.082 R)
• M26: 24,555,294 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 13.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.71 AU - 4.89 AU

Year: 6048 Days

Day: 14.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,241,428 km

• M1: 180,565 km (0.073 R)
• M2: 722,558 km (0.093 R)
• M3: 1,207,255 km (0.081 R)
• M4: 2,388,928 km (0.101 R)
• M5: 2,852,532 km (0.076 R)
• M6: 4,795,958 km (0.041 R)
• M7: 8,362,820 km (0.062 R)
• M8: 9,325,183 km (0.118 R)
• M9: 10,663,037 km (0.119 R)
• M10: 11,287,159 km (0.091 R)
• M11: 14,189,508 km (0.12 R)
• M12: 15,055,380 km (0.088 R)
• M13: 15,956,258 km (0.114 R)
• M14: 17,313,710 km (0.113 R)
• M15: 18,939,539 km (0.096 R)
• M16: 19,657,160 km (0.118 R)
• M17: 22,061,946 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230

Radius: 5.6

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.76 AU - 5.92 AU

Year: 9572 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,241,428 km

• M1: 69,713 km (0.086 R)
• M2: 533,017 km (0.069 R)
• M3: 941,419 km (0.092 R)
• M4: 1,465,910 km (0.09 R)
• M5: 1,745,209 km (0.053 R)
• M6: 2,895,766 km (0.108 R)
• M7: 9,651,007 km (0.108 R)
• M8: 12,578,937 km (0.118 R)
• M9: 12,942,759 km (0.081 R)
• M10: 13,637,043 km (0.034 R)
• M11: 18,068,730 km (0.12 R)
• M12: 18,935,201 km (0.058 R)
• M13: 27,318,366 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.7

Radius: 6.9

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.91 AU - 7.79 AU

Year: 12160 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,241,428 km

• M1: 85,869 km (0.096 R)
• M2: 303,684 km (0.083 R)
• M3: 669,750 km (0.098 R)
• M4: 936,632 km (0.116 R)
• M5: 1,191,397 km (0.044 R)
• M6: 2,360,056 km (0.087 R)
• M7: 2,692,762 km (0.116 R)
• M8: 2,968,171 km (0.117 R)
• M9: 3,428,484 km (0.1 R)
• M10: 3,676,068 km (0.091 R)
• M11: 5,896,849 km (0.071 R)
• M12: 6,289,693 km (0.117 R)
• M13: 6,814,781 km (0.045 R)
• M14: 7,532,253 km (0.057 R)
• M15: 8,211,427 km (0.094 R)
• M16: 10,289,192 km (0.061 R)
• M17: 11,340,267 km (0.094 R)
• M18: 12,288,567 km (0.052 R)
• M19: 16,683,753 km (0.043 R)
• M20: 19,114,569 km (0.114 R)
• M21: 22,109,668 km (0.072 R)
• M22: 25,032,660 km (0.112 R)
• M23: 25,872,503 km (0.062 R)
• M24: 30,989,349 km (0.117 R)
• M25: 31,848,788 km (0.099 R)
• M26: 32,393,923 km (0.114 R)
• M27: 35,796,078 km (0.109 R)
• M28: 36,030,946 km (0.102 R)
• M29: 36,981,042 km (0.101 R)
• M30: 37,825,971 km (0.042 R)
• M31: 38,191,888 km (0.036 R)
• M32: 41,463,593 km (0.1 R)
• M33: 42,113,596 km (0.111 R)
• M34: 44,781,225 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.4

Radius: 4.5

Gravity: 37.8 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.6 AU - 11.8 AU

Year: 20490 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,241,428 km

• M1: 55,950 km (0.119 R)
• M2: 201,508 km (0.072 R)
• M3: 390,600 km (0.096 R)
• M4: 650,601 km (0.085 R)
• M5: 1,293,872 km (0.103 R)
• M6: 1,481,617 km (0.115 R)
• M7: 1,778,719 km (0.072 R)
• M8: 2,353,474 km (0.058 R)
• M9: 5,149,458 km (0.052 R)
• M10: 6,039,266 km (0.097 R)
• M11: 6,475,793 km (0.111 R)
• M12: 8,014,556 km (0.101 R)
• M13: 8,868,461 km (0.031 R)
• M14: 11,659,060 km (0.11 R)
• M15: 13,324,234 km (0.055 R)
• M16: 14,137,747 km (0.097 R)
• M17: 14,289,289 km (0.089 R)
• M18: 20,106,103 km (0.118 R)
• M19: 20,684,449 km (0.077 R)
• M20: 22,383,282 km (0.03 R)
• M21: 22,899,993 km (0.085 R)
• M22: 24,716,710 km (0.118 R)
• M23: 28,153,122 km (0.105 R)
• M24: 32,155,464 km (0.071 R)
• M25: 33,345,814 km (0.087 R)
• M26: 34,702,667 km (0.067 R)
• M27: 40,042,563 km (0.079 R)
• M28: 54,700,162 km (0.116 R)
• M29: 67,940,172 km (0.082 R)
• M30: 69,458,291 km (0.108 R)
• M31: 72,787,293 km (0.095 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: 166 - 10,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit