🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 10

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,001,300 km

• M1: 124,914 km (0.109 R)
• M2: 562,189 km (0.048 R)
• M3: 972,985 km (0.046 R)
• M4: 1,317,060 km (0.087 R)
• M5: 1,703,920 km (0.093 R)
• M6: 2,030,492 km (0.115 R)
• M7: 2,458,043 km (0.093 R)
• M8: 2,831,439 km (0.084 R)
• M9: 3,473,962 km (0.084 R)
• M10: 3,830,154 km (0.079 R)
• M11: 4,161,813 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 14.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.75 AU - 1.05 AU

Year: 579 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,001,300 km

• M1: 184,903 km (0.078 R)
• M2: 701,016 km (0.087 R)
• M3: 1,203,964 km (0.063 R)
• M4: 1,815,221 km (0.062 R)
• M5: 2,505,764 km (0.073 R)
• M6: 3,217,701 km (0.11 R)
• M7: 3,961,202 km (0.053 R)
• M8: 5,255,074 km (0.112 R)
• M9: 5,756,676 km (0.114 R)
• M10: 6,877,463 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 12.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.06 AU - 1.6 AU

Year: 1040 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,001,300 km

• M1: 152,141 km (0.104 R)
• M2: 699,669 km (0.061 R)
• M3: 1,500,616 km (0.108 R)
• M4: 2,018,075 km (0.064 R)
• M5: 2,813,188 km (0.105 R)
• M6: 4,719,514 km (0.096 R)
• M7: 5,119,987 km (0.098 R)
• M8: 6,635,862 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 9.7

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.6 AU - 2.12 AU

Year: 1721 Days

Day: 13.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 14,001,300 km

• M1: 120,725 km (0.087 R)
• M2: 508,184 km (0.115 R)
• M3: 1,088,474 km (0.084 R)
• M4: 1,580,651 km (0.109 R)
• M5: 2,216,592 km (0.097 R)
• M6: 2,601,208 km (0.033 R)
• M7: 3,140,807 km (0.072 R)
• M8: 3,540,832 km (0.075 R)
• M9: 4,362,872 km (0.032 R)
• M10: 4,712,782 km (0.118 R)
• M11: 5,081,540 km (0.064 R)
• M12: 5,975,837 km (0.093 R)
• M13: 6,279,071 km (0.088 R)
• M14: 6,726,219 km (0.034 R)
• M15: 7,422,448 km (0.109 R)
• M16: 10,512,691 km (0.092 R)
• M17: 11,068,597 km (0.092 R)
• M18: 11,411,475 km (0.111 R)
• M19: 12,118,624 km (0.066 R)
• M20: 12,442,205 km (0.111 R)
• M21: 12,771,469 km (0.119 R)
• M22: 13,882,084 km (0.076 R)
• M23: 16,245,730 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.6

Radius: 15

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.78 AU - 2.82 AU

Year: 2366 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,001,300 km

• M1: 188,344 km (0.068 R)
• M2: 765,343 km (0.099 R)
• M3: 1,533,528 km (0.099 R)
• M4: 2,075,222 km (0.093 R)
• M5: 2,817,377 km (0.093 R)
• M6: 3,893,434 km (0.078 R)
• M7: 5,595,260 km (0.111 R)
• M8: 6,988,016 km (0.103 R)
• M9: 8,048,066 km (0.059 R)
• M10: 8,569,864 km (0.061 R)
• M11: 9,445,460 km (0.058 R)
• M12: 10,166,970 km (0.105 R)
• M13: 10,777,928 km (0.071 R)
• M14: 11,720,694 km (0.105 R)
• M15: 13,513,176 km (0.111 R)
• M16: 14,120,244 km (0.103 R)
• M17: 15,623,254 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 14.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.41 AU - 2.45 AU

Year: 2569 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,001,300 km

• M1: 181,911 km (0.074 R)
• M2: 812,316 km (0.052 R)
• M3: 1,408,763 km (0.102 R)
• M4: 1,912,310 km (0.08 R)
• M5: 2,812,290 km (0.103 R)
• M6: 3,820,580 km (0.081 R)
• M7: 5,915,848 km (0.053 R)
• M8: 6,379,751 km (0.118 R)
• M9: 7,197,453 km (0.048 R)
• M10: 8,350,404 km (0.05 R)
• M11: 10,699,689 km (0.032 R)
• M12: 13,137,984 km (0.027 R)
• M13: 16,775,756 km (0.068 R)
• M14: 18,796,524 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 12.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.24 AU - 5.68 AU

Year: 8653 Days

Day: 13.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,001,300 km

• M1: 160,818 km (0.115 R)
• M2: 653,294 km (0.058 R)
• M3: 1,355,656 km (0.075 R)
• M4: 1,921,884 km (0.115 R)
• M5: 2,778,032 km (0.07 R)
• M6: 4,493,322 km (0.107 R)
• M7: 6,046,447 km (0.114 R)
• M8: 7,273,598 km (0.056 R)
• M9: 7,736,155 km (0.105 R)
• M10: 9,786,842 km (0.114 R)
• M11: 11,915,171 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 13,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit