🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 11.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.65 AU - 0.95 AU

Year: 469 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,637,549 km

• M1: 144,212 km (0.079 R)
• M2: 589,715 km (0.106 R)
• M3: 1,149,211 km (0.076 R)
• M4: 1,706,164 km (0.101 R)
• M5: 2,340,758 km (0.104 R)
• M6: 3,042,521 km (0.081 R)
• M7: 3,449,129 km (0.102 R)
• M8: 3,842,571 km (0.045 R)
• M9: 4,454,875 km (0.073 R)
• M10: 4,893,646 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 8.1

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.47 AU - 2.21 AU

Year: 1637 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,637,549 km

• M1: 100,829 km (0.1 R)
• M2: 400,773 km (0.098 R)
• M3: 1,044,492 km (0.099 R)
• M4: 1,299,407 km (0.112 R)
• M5: 1,959,882 km (0.112 R)
• M6: 2,270,896 km (0.099 R)
• M7: 3,196,308 km (0.076 R)
• M8: 3,711,224 km (0.054 R)
• M9: 4,445,301 km (0.035 R)
• M10: 4,729,836 km (0.038 R)
• M11: 5,189,700 km (0.11 R)
• M12: 5,613,660 km (0.051 R)
• M13: 6,387,081 km (0.082 R)
• M14: 6,874,172 km (0.104 R)
• M15: 7,438,455 km (0.064 R)
• M16: 11,281,325 km (0.114 R)
• M17: 11,848,451 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 14

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.26 AU - 2.54 AU

Year: 2439 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,637,549 km

• M1: 174,132 km (0.061 R)
• M2: 724,054 km (0.062 R)
• M3: 1,232,088 km (0.063 R)
• M4: 2,087,937 km (0.113 R)
• M5: 2,745,869 km (0.051 R)
• M6: 4,536,705 km (0.094 R)
• M7: 5,032,323 km (0.114 R)
• M8: 6,693,009 km (0.091 R)
• M9: 7,363,506 km (0.097 R)
• M10: 7,915,672 km (0.108 R)
• M11: 9,958,880 km (0.115 R)
• M12: 11,069,345 km (0.118 R)
• M13: 11,549,853 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 9.4

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.53 AU - 3.67 AU

Year: 3581 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,637,549 km

• M1: 116,836 km (0.106 R)
• M2: 469,737 km (0.083 R)
• M3: 823,087 km (0.086 R)
• M4: 1,130,212 km (0.118 R)
• M5: 1,537,417 km (0.083 R)
• M6: 1,934,899 km (0.054 R)
• M7: 2,280,919 km (0.082 R)
• M8: 3,136,020 km (0.07 R)
• M9: 3,616,977 km (0.063 R)
• M10: 4,303,632 km (0.116 R)
• M11: 5,049,377 km (0.111 R)
• M12: 5,992,143 km (0.068 R)
• M13: 7,176,210 km (0.111 R)
• M14: 10,451,206 km (0.029 R)
• M15: 11,087,147 km (0.104 R)
• M16: 14,870,627 km (0.074 R)
• M17: 15,784,670 km (0.087 R)
• M18: 17,196,275 km (0.089 R)
• M19: 18,202,919 km (0.066 R)
• M20: 18,813,279 km (0.087 R)
• M21: 24,123,704 km (0.098 R)
• M22: 24,860,174 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.7

Radius: 11.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.5 AU - 4.06 AU

Year: 3897 Days

Day: 11.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,637,549 km

• M1: 144,512 km (0.112 R)
• M2: 851,062 km (0.086 R)
• M3: 1,571,675 km (0.039 R)
• M4: 2,099,307 km (0.092 R)
• M5: 2,665,684 km (0.115 R)
• M6: 6,231,051 km (0.101 R)
• M7: 8,688,794 km (0.042 R)
• M8: 9,511,732 km (0.111 R)
• M9: 10,503,566 km (0.071 R)
• M10: 11,354,179 km (0.031 R)
• M11: 12,470,030 km (0.07 R)
• M12: 14,134,007 km (0.065 R)
• M13: 15,578,374 km (0.093 R)
• M14: 16,523,085 km (0.085 R)
• M15: 20,070,798 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 11

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.31 AU - 5.85 AU

Year: 7511 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,637,549 km

• M1: 136,882 km (0.102 R)
• M2: 509,830 km (0.085 R)
• M3: 863,329 km (0.086 R)
• M4: 1,321,697 km (0.115 R)
• M5: 1,868,328 km (0.097 R)
• M6: 2,219,733 km (0.082 R)
• M7: 3,224,881 km (0.073 R)
• M8: 3,575,090 km (0.105 R)
• M9: 4,098,234 km (0.101 R)
• M10: 5,269,136 km (0.118 R)
• M11: 5,916,297 km (0.103 R)
• M12: 8,100,126 km (0.08 R)
• M13: 9,263,699 km (0.071 R)
• M14: 10,207,212 km (0.106 R)
• M15: 10,630,574 km (0.059 R)
• M16: 11,016,836 km (0.109 R)
• M17: 12,127,600 km (0.085 R)
• M18: 15,783,323 km (0.113 R)
• M19: 19,320,116 km (0.037 R)
• M20: 19,823,663 km (0.105 R)
• M21: 22,081,543 km (0.117 R)
• M22: 25,095,940 km (0.113 R)
• M23: 25,955,530 km (0.095 R)
• M24: 27,102,197 km (0.099 R)
• M25: 33,450,084 km (0.083 R)
• M26: 34,281,100 km (0.117 R)
• M27: 34,701,769 km (0.035 R)
• M28: 35,768,552 km (0.059 R)
• M29: 36,528,210 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 19,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit