🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.72 AU - 2.14 AU

Year: 1171 Days

Day: 23.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 12.5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.34 AU - 3 AU

Year: 1905 Days

Day: 10.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,136,306 km

• M1: 155,582 km (0.11 R)
• M2: 550,670 km (0.084 R)
• M3: 1,176,288 km (0.107 R)
• M4: 1,768,097 km (0.089 R)
• M5: 2,399,400 km (0.064 R)
• M6: 2,939,149 km (0.094 R)
• M7: 3,396,320 km (0.082 R)
• M8: 4,227,486 km (0.084 R)
• M9: 5,211,391 km (0.069 R)
• M10: 5,677,538 km (0.086 R)
• M11: 6,123,190 km (0.087 R)
• M12: 6,566,898 km (0.065 R)
• M13: 8,028,768 km (0.104 R)
• M14: 10,165,774 km (0.089 R)
• M15: 11,476,101 km (0.092 R)
• M16: 13,136,787 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.3

Radius: 10.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.02 AU - 5.8 AU

Year: 4750 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,136,306 km

• M1: 133,441 km (0.115 R)
• M2: 470,784 km (0.114 R)
• M3: 1,248,993 km (0.08 R)
• M4: 1,720,376 km (0.047 R)
• M5: 2,150,170 km (0.079 R)
• M6: 2,834,730 km (0.067 R)
• M7: 3,342,465 km (0.114 R)
• M8: 3,700,154 km (0.049 R)
• M9: 4,262,492 km (0.107 R)
• M10: 5,185,960 km (0.091 R)
• M11: 7,459,847 km (0.104 R)
• M12: 7,969,976 km (0.098 R)
• M13: 8,649,599 km (0.106 R)
• M14: 9,174,688 km (0.027 R)
• M15: 10,083,495 km (0.068 R)
• M16: 10,707,767 km (0.076 R)
• M17: 13,715,432 km (0.061 R)
• M18: 14,223,466 km (0.105 R)
• M19: 15,989,469 km (0.11 R)
• M20: 18,504,209 km (0.061 R)
• M21: 19,823,363 km (0.058 R)
• M22: 22,298,759 km (0.094 R)
• M23: 23,143,987 km (0.098 R)
• M24: 23,937,305 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.8

Radius: 7.9

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 9.26 AU - 12.98 AU

Year: 16188 Days

Day: 16.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,136,306 km

• M1: 98,435 km (0.119 R)
• M2: 539,899 km (0.106 R)
• M3: 926,310 km (0.098 R)
• M4: 1,361,789 km (0.081 R)
• M5: 1,675,197 km (0.082 R)
• M6: 2,018,225 km (0.106 R)
• M7: 2,449,216 km (0.096 R)
• M8: 3,522,431 km (0.076 R)
• M9: 3,798,440 km (0.034 R)
• M10: 4,209,235 km (0.065 R)
• M11: 5,119,688 km (0.076 R)
• M12: 6,195,147 km (0.073 R)
• M13: 8,009,320 km (0.065 R)
• M14: 9,140,280 km (0.043 R)
• M15: 9,663,873 km (0.106 R)
• M16: 13,366,570 km (0.114 R)
• M17: 13,633,752 km (0.09 R)
• M18: 13,972,740 km (0.06 R)
• M19: 14,738,233 km (0.078 R)
• M20: 15,095,173 km (0.113 R)
• M21: 20,365,656 km (0.049 R)
• M22: 21,806,433 km (0.072 R)
• M23: 23,507,061 km (0.076 R)
• M24: 28,802,676 km (0.117 R)
• M25: 30,730,843 km (0.113 R)
• M26: 38,357,642 km (0.088 R)
• M27: 40,548,503 km (0.119 R)
• M28: 46,235,915 km (0.109 R)
• M29: 48,087,338 km (0.111 R)
• M30: 57,208,470 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.3

Radius: 7.1

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 11.94 AU - 13.28 AU

Year: 19549 Days

Day: 24.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,136,306 km

• M1: 88,263 km (0.099 R)
• M2: 337,642 km (0.091 R)
• M3: 575,353 km (0.101 R)
• M4: 826,678 km (0.092 R)
• M5: 1,090,269 km (0.113 R)
• M6: 1,989,053 km (0.056 R)
• M7: 2,785,812 km (0.08 R)
• M8: 5,311,323 km (0.067 R)
• M9: 7,128,638 km (0.045 R)
• M10: 8,398,873 km (0.055 R)
• M11: 11,501,832 km (0.106 R)
• M12: 12,318,188 km (0.088 R)
• M13: 14,780,419 km (0.052 R)
• M14: 16,126,501 km (0.112 R)
• M15: 16,671,486 km (0.06 R)
• M16: 18,633,312 km (0.083 R)
• M17: 19,582,062 km (0.086 R)
• M18: 28,360,316 km (0.059 R)
• M19: 37,109,996 km (0.097 R)
• M20: 38,471,037 km (0.092 R)
• M21: 40,860,414 km (0.064 R)
• M22: 50,743,598 km (0.111 R)
• M23: 59,858,895 km (0.081 R)
• M24: 65,584,006 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.3

Radius: 3.4

Gravity: 40.6 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 13.39 AU - 14.53 AU

Year: 22770 Days

Day: 20.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,136,306 km

• M1: 67,319 km (0.066 R)
• M2: 778,956 km (0.088 R)
• M3: 1,065,436 km (0.115 R)
• M4: 1,268,590 km (0.062 R)
• M5: 1,681,480 km (0.081 R)
• M6: 1,806,544 km (0.101 R)
• M7: 2,790,299 km (0.061 R)
• M8: 3,043,718 km (0.069 R)
• M9: 3,509,716 km (0.089 R)
• M10: 3,896,875 km (0.065 R)
• M11: 5,853,765 km (0.119 R)
• M12: 8,227,434 km (0.114 R)
• M13: 15,130,777 km (0.105 R)
• M14: 16,879,277 km (0.107 R)
• M15: 17,973,287 km (0.081 R)
• M16: 20,394,977 km (0.119 R)
• M17: 21,344,325 km (0.111 R)
• M18: 25,982,906 km (0.09 R)
• M19: 33,412,086 km (0.103 R)
• M20: 35,265,604 km (0.059 R)
• M21: 37,466,488 km (0.051 R)
• M22: 38,743,754 km (0.063 R)
• M23: 40,344,003 km (0.092 R)
• M24: 41,235,157 km (0.08 R)
• M25: 42,749,387 km (0.113 R)
• M26: 45,408,190 km (0.065 R)
• M27: 59,025,785 km (0.113 R)
• M28: 61,141,398 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 17,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit