🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.61 AU - 0.71 AU

Year: 358 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,799,660 km

• M1: 99,632 km (0.108 R)
• M2: 372,798 km (0.111 R)
• M3: 777,460 km (0.119 R)
• M4: 1,214,585 km (0.104 R)
• M5: 1,521,410 km (0.103 R)
• M6: 1,953,599 km (0.119 R)
• M7: 2,387,432 km (0.081 R)
• M8: 2,720,587 km (0.098 R)
• M9: 3,105,353 km (0.083 R)
• M10: 3,436,712 km (0.077 R)
• M11: 3,815,194 km (0.108 R)
• M12: 4,350,007 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.3

Radius: 14.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.48 AU - 2.56 AU

Year: 2668 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,799,660 km

• M1: 180,415 km (0.118 R)
• M2: 739,761 km (0.086 R)
• M3: 1,224,907 km (0.076 R)
• M4: 1,821,055 km (0.1 R)
• M5: 2,846,399 km (0.112 R)
• M6: 3,473,962 km (0.084 R)
• M7: 4,246,784 km (0.071 R)
• M8: 6,324,549 km (0.114 R)
• M9: 8,772,120 km (0.104 R)
• M10: 11,687,932 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 8.1

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.86 AU - 4.38 AU

Year: 5577 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 60.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,799,660 km

• M1: 100,829 km (0.09 R)
• M2: 366,066 km (0.077 R)
• M3: 625,319 km (0.118 R)
• M4: 951,442 km (0.116 R)
• M5: 1,914,853 km (0.1 R)
• M6: 2,768,009 km (0.086 R)
• M7: 4,022,537 km (0.067 R)
• M8: 6,558,670 km (0.097 R)
• M9: 7,012,400 km (0.048 R)
• M10: 7,904,751 km (0.096 R)
• M11: 9,209,694 km (0.08 R)
• M12: 9,958,581 km (0.113 R)
• M13: 12,982,253 km (0.041 R)
• M14: 14,323,547 km (0.079 R)
• M15: 15,940,102 km (0.117 R)
• M16: 17,213,479 km (0.086 R)
• M17: 21,363,623 km (0.103 R)
• M18: 21,896,341 km (0.101 R)
• M19: 22,204,812 km (0.086 R)
• M20: 24,363,060 km (0.05 R)
• M21: 25,877,290 km (0.068 R)
• M22: 27,009,297 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.9

Radius: 12.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.05 AU - 6.03 AU

Year: 8695 Days

Day: 14 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,799,660 km

• M1: 157,227 km (0.113 R)
• M2: 680,072 km (0.096 R)
• M3: 1,124,078 km (0.06 R)
• M4: 1,537,417 km (0.045 R)
• M5: 2,263,865 km (0.099 R)
• M6: 3,071,992 km (0.098 R)
• M7: 4,091,502 km (0.114 R)
• M8: 5,003,151 km (0.111 R)
• M9: 5,524,201 km (0.114 R)
• M10: 7,432,172 km (0.116 R)
• M11: 7,852,691 km (0.116 R)
• M12: 9,646,968 km (0.1 R)
• M13: 10,719,435 km (0.117 R)
• M14: 13,904,374 km (0.036 R)
• M15: 14,806,300 km (0.087 R)
• M16: 18,808,043 km (0.111 R)
• M17: 21,987,446 km (0.077 R)
• M18: 30,659,635 km (0.084 R)
• M19: 32,297,283 km (0.087 R)
• M20: 38,177,676 km (0.096 R)
• M21: 45,428,984 km (0.088 R)
• M22: 48,424,083 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 9.7

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.68 AU - 6.4 AU

Year: 8695 Days

Day: 10.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,799,660 km

• M1: 121,773 km (0.111 R)
• M2: 450,738 km (0.061 R)
• M3: 767,287 km (0.085 R)
• M4: 1,218,026 km (0.099 R)
• M5: 2,276,880 km (0.054 R)
• M6: 3,313,443 km (0.087 R)
• M7: 3,640,315 km (0.091 R)
• M8: 4,928,951 km (0.051 R)
• M9: 5,483,211 km (0.039 R)
• M10: 5,976,435 km (0.108 R)
• M11: 6,286,252 km (0.108 R)
• M12: 7,796,443 km (0.102 R)
• M13: 9,033,168 km (0.082 R)
• M14: 10,103,541 km (0.082 R)
• M15: 11,101,060 km (0.105 R)
• M16: 11,517,989 km (0.115 R)
• M17: 11,891,385 km (0.105 R)
• M18: 13,233,278 km (0.094 R)
• M19: 13,880,887 km (0.105 R)
• M20: 16,888,702 km (0.03 R)
• M21: 20,851,101 km (0.054 R)
• M22: 24,858,678 km (0.069 R)
• M23: 30,656,344 km (0.119 R)
• M24: 31,685,427 km (0.084 R)
• M25: 40,640,506 km (0.115 R)
• M26: 41,010,461 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.2

Radius: 5.5

Gravity: 18.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.21 AU - 7.87 AU

Year: 11153 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,799,660 km

• M1: 68,815 km (0.076 R)
• M2: 325,675 km (0.104 R)
• M3: 558,898 km (0.041 R)
• M4: 782,846 km (0.107 R)
• M5: 1,144,723 km (0.117 R)
• M6: 1,526,048 km (0.106 R)
• M7: 1,888,972 km (0.056 R)
• M8: 2,421,541 km (0.074 R)
• M9: 3,140,059 km (0.069 R)
• M10: 3,328,104 km (0.107 R)
• M11: 5,577,906 km (0.06 R)
• M12: 6,249,601 km (0.1 R)
• M13: 6,434,952 km (0.102 R)
• M14: 7,173,367 km (0.085 R)
• M15: 8,053,601 km (0.109 R)
• M16: 9,776,071 km (0.064 R)
• M17: 10,229,353 km (0.116 R)
• M18: 10,539,469 km (0.12 R)
• M19: 11,178,102 km (0.104 R)
• M20: 13,249,135 km (0.054 R)
• M21: 14,829,188 km (0.119 R)
• M22: 18,893,313 km (0.106 R)
• M23: 19,438,448 km (0.115 R)
• M24: 21,640,080 km (0.093 R)
• M25: 23,374,368 km (0.072 R)
• M26: 25,012,465 km (0.075 R)
• M27: 28,413,872 km (0.078 R)
• M28: 31,782,516 km (0.118 R)
• M29: 35,173,751 km (0.112 R)
• M30: 37,808,618 km (0.086 R)
• M31: 38,923,421 km (0.11 R)
• M32: 45,936,121 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697

Radius: 4.6

Gravity: 32.94 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.55 AU - 12.59 AU

Year: 22916 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,799,660 km

• M1: 277,354 km (0.111 R)
• M2: 613,650 km (0.118 R)
• M3: 778,657 km (0.079 R)
• M4: 1,462,170 km (0.092 R)
• M5: 3,466,183 km (0.087 R)
• M6: 4,616,141 km (0.095 R)
• M7: 5,062,990 km (0.109 R)
• M8: 6,622,847 km (0.111 R)
• M9: 10,651,069 km (0.103 R)
• M10: 12,383,861 km (0.028 R)
• M11: 13,170,447 km (0.108 R)
• M12: 13,763,154 km (0.049 R)
• M13: 14,921,789 km (0.06 R)
• M14: 15,322,113 km (0.083 R)
• M15: 16,822,580 km (0.115 R)
• M16: 20,699,109 km (0.092 R)
• M17: 24,795,398 km (0.093 R)
• M18: 30,539,059 km (0.038 R)
• M19: 35,244,959 km (0.099 R)
• M20: 42,772,724 km (0.085 R)
• M21: 46,399,276 km (0.116 R)
• M22: 53,322,067 km (0.115 R)
• M23: 64,209,052 km (0.039 R)
• M24: 69,612,377 km (0.104 R)
• M25: 72,082,836 km (0.055 R)
• M26: 82,798,831 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 15,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit