🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 13.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.69 AU - 0.71 AU

Year: 397 Days

Day: 11 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,984,089 km

• M1: 169,195 km (0.11 R)
• M2: 601,982 km (0.119 R)
• M3: 1,028,934 km (0.063 R)
• M4: 1,671,607 km (0.075 R)
• M5: 2,177,696 km (0.082 R)
• M6: 2,742,877 km (0.12 R)
• M7: 3,486,378 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 9.3

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.7 AU - 1.1 AU

Year: 579 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,984,089 km

• M1: 115,639 km (0.11 R)
• M2: 499,208 km (0.095 R)
• M3: 890,107 km (0.074 R)
• M4: 1,180,028 km (0.071 R)
• M5: 1,726,060 km (0.113 R)
• M6: 2,933,165 km (0.083 R)
• M7: 3,308,207 km (0.083 R)
• M8: 3,701,351 km (0.034 R)
• M9: 4,199,362 km (0.106 R)
• M10: 4,645,313 km (0.057 R)
• M11: 5,038,007 km (0.12 R)
• M12: 5,452,842 km (0.066 R)
• M13: 5,760,266 km (0.101 R)
• M14: 6,098,507 km (0.089 R)
• M15: 6,430,016 km (0.078 R)
• M16: 7,044,713 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.2

Radius: 10.7

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.84 AU - 1.38 AU

Year: 793 Days

Day: 12.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,984,089 km

• M1: 133,591 km (0.068 R)
• M2: 600,336 km (0.101 R)
• M3: 1,080,396 km (0.109 R)
• M4: 1,731,745 km (0.109 R)
• M5: 2,296,627 km (0.112 R)
• M6: 2,968,321 km (0.073 R)
• M7: 4,329,961 km (0.116 R)
• M8: 4,719,065 km (0.117 R)
• M9: 5,394,050 km (0.087 R)
• M10: 5,865,433 km (0.025 R)
• M11: 7,614,681 km (0.045 R)
• M12: 8,439,713 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 11.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.18 AU - 1.34 AU

Year: 959 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,984,089 km

• M1: 142,716 km (0.054 R)
• M2: 624,272 km (0.103 R)
• M3: 1,191,397 km (0.104 R)
• M4: 1,553,125 km (0.034 R)
• M5: 2,096,315 km (0.034 R)
• M6: 2,622,002 km (0.111 R)
• M7: 2,986,273 km (0.062 R)
• M8: 3,568,059 km (0.09 R)
• M9: 4,127,854 km (0.1 R)
• M10: 4,763,196 km (0.057 R)
• M11: 5,443,418 km (0.087 R)
• M12: 6,021,015 km (0.114 R)
• M13: 7,182,044 km (0.087 R)
• M14: 8,229,229 km (0.071 R)
• M15: 8,776,309 km (0.059 R)
• M16: 9,236,771 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 8.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.57 AU - 3.44 AU

Year: 3524 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,984,089 km

• M1: 111,151 km (0.098 R)
• M2: 415,284 km (0.099 R)
• M3: 873,951 km (0.07 R)
• M4: 1,196,484 km (0.078 R)
• M5: 1,547,740 km (0.118 R)
• M6: 1,873,115 km (0.106 R)
• M7: 2,694,258 km (0.085 R)
• M8: 3,288,311 km (0.1 R)
• M9: 3,607,702 km (0.036 R)
• M10: 4,434,380 km (0.114 R)
• M11: 5,121,782 km (0.113 R)
• M12: 5,601,692 km (0.098 R)
• M13: 6,007,102 km (0.075 R)
• M14: 7,019,730 km (0.119 R)
• M15: 8,015,454 km (0.116 R)
• M16: 10,099,352 km (0.106 R)
• M17: 11,566,459 km (0.075 R)
• M18: 11,933,721 km (0.091 R)
• M19: 13,392,151 km (0.118 R)
• M20: 13,842,889 km (0.086 R)
• M21: 14,303,651 km (0.06 R)
• M22: 15,697,903 km (0.094 R)
• M23: 16,659,219 km (0.07 R)
• M24: 17,075,400 km (0.074 R)
• M25: 17,445,356 km (0.034 R)
• M26: 18,146,671 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.9

Radius: 13.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.48 AU - 3.96 AU

Year: 4866 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,984,089 km

• M1: 165,455 km (0.101 R)
• M2: 609,462 km (0.057 R)
• M3: 1,193,791 km (0.107 R)
• M4: 2,037,224 km (0.052 R)
• M5: 2,805,110 km (0.12 R)
• M6: 3,926,645 km (0.075 R)
• M7: 5,433,694 km (0.062 R)
• M8: 8,537,251 km (0.114 R)
• M9: 13,993,385 km (0.109 R)
• M10: 17,915,691 km (0.073 R)
• M11: 19,455,652 km (0.079 R)
• M12: 21,015,509 km (0.064 R)
• M13: 23,653,667 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 15

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.67 AU - 5.03 AU

Year: 6154 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,984,089 km

• M1: 186,549 km (0.103 R)
• M2: 709,543 km (0.045 R)
• M3: 1,265,748 km (0.035 R)
• M4: 2,651,024 km (0.111 R)
• M5: 3,249,715 km (0.118 R)
• M6: 4,214,621 km (0.101 R)
• M7: 4,863,726 km (0.07 R)
• M8: 7,184,139 km (0.072 R)
• M9: 7,953,820 km (0.094 R)
• M10: 8,524,984 km (0.063 R)
• M11: 9,211,190 km (0.066 R)
• M12: 9,749,892 km (0.11 R)
• M13: 10,743,221 km (0.08 R)
• M14: 11,391,429 km (0.098 R)
• M15: 13,839,299 km (0.115 R)
• M16: 15,094,126 km (0.086 R)
• M17: 16,883,765 km (0.105 R)
• M18: 18,882,692 km (0.11 R)
• M19: 23,181,985 km (0.088 R)
• M20: 23,678,351 km (0.079 R)
• M21: 24,266,271 km (0.098 R)
• M22: 25,209,934 km (0.074 R)
• M23: 27,629,979 km (0.101 R)
• M24: 37,717,812 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 12,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit