🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 10.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.56 AU - 0.56 AU

Year: 289 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,808,839 km

• M1: 131,796 km (0.091 R)
• M2: 569,669 km (0.049 R)
• M3: 1,084,884 km (0.106 R)
• M4: 1,570,329 km (0.058 R)
• M5: 2,067,742 km (0.097 R)
• M6: 2,474,199 km (0.097 R)
• M7: 3,382,109 km (0.118 R)
• M8: 4,051,110 km (0.11 R)
• M9: 4,892,150 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 8.3

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.62 AU - 0.64 AU

Year: 345 Days

Day: 6 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,808,839 km

• M1: 103,372 km (0.066 R)
• M2: 364,121 km (0.103 R)
• M3: 681,418 km (0.118 R)
• M4: 994,826 km (0.057 R)
• M5: 1,263,653 km (0.072 R)
• M6: 1,563,298 km (0.1 R)
• M7: 1,903,633 km (0.064 R)
• M8: 2,610,632 km (0.064 R)
• M9: 3,172,073 km (0.101 R)
• M10: 3,733,065 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 12.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,808,839 km

• M1: 160,967 km (0.052 R)
• M2: 646,263 km (0.062 R)
• M3: 1,187,358 km (0.079 R)
• M4: 1,625,231 km (0.106 R)
• M5: 2,453,405 km (0.064 R)
• M6: 2,884,097 km (0.116 R)
• M7: 3,318,679 km (0.081 R)
• M8: 4,420,916 km (0.043 R)
• M9: 5,434,741 km (0.113 R)
• M10: 6,103,294 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.7

Radius: 14

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.03 AU

Year: 541 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,808,839 km

• M1: 174,132 km (0.057 R)
• M2: 643,570 km (0.109 R)
• M3: 1,083,687 km (0.055 R)
• M4: 1,798,615 km (0.114 R)
• M5: 2,385,637 km (0.11 R)
• M6: 3,383,605 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 15

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.82 AU - 1.36 AU

Year: 786 Days

Day: 11.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,808,839 km

• M1: 186,549 km (0.096 R)
• M2: 721,361 km (0.043 R)
• M3: 1,503,907 km (0.079 R)
• M4: 2,000,872 km (0.085 R)
• M5: 2,497,985 km (0.069 R)
• M6: 3,327,206 km (0.044 R)
• M7: 4,666,706 km (0.027 R)
• M8: 5,574,914 km (0.114 R)
• M9: 6,362,697 km (0.095 R)
• M10: 7,864,659 km (0.085 R)
• M11: 9,342,836 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 11.4

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.1 AU - 1.56 AU

Year: 1059 Days

Day: 12.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,808,839 km

• M1: 141,819 km (0.111 R)
• M2: 699,819 km (0.042 R)
• M3: 1,200,523 km (0.113 R)
• M4: 1,766,452 km (0.081 R)
• M5: 2,260,723 km (0.077 R)
• M6: 3,182,096 km (0.098 R)
• M7: 5,176,086 km (0.101 R)
• M8: 6,498,232 km (0.113 R)
• M9: 7,823,819 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 13.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.14 AU - 1.56 AU

Year: 1083 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,808,839 km

• M1: 174,282 km (0.102 R)
• M2: 885,021 km (0.076 R)
• M3: 1,740,122 km (0.038 R)
• M4: 3,159,058 km (0.116 R)
• M5: 3,621,764 km (0.104 R)
• M6: 4,473,425 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.4

Radius: 11.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.59 AU - 4.91 AU

Year: 6048 Days

Day: 14.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,808,839 km

• M1: 143,165 km (0.054 R)
• M2: 649,853 km (0.088 R)
• M3: 1,267,393 km (0.105 R)
• M4: 2,170,366 km (0.069 R)
• M5: 3,000,185 km (0.082 R)
• M6: 5,331,668 km (0.119 R)
• M7: 6,400,246 km (0.059 R)
• M8: 6,776,634 km (0.067 R)
• M9: 7,799,584 km (0.076 R)
• M10: 8,816,251 km (0.107 R)
• M11: 11,111,531 km (0.117 R)
• M12: 14,214,191 km (0.104 R)
• M13: 20,348,003 km (0.114 R)
• M14: 21,165,406 km (0.116 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: 171 - 12,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit