🌌 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: 145.9

Radius: 11.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.4 AU - 0.66 AU

Year: 271 Days

Day: 10.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,487,251 km

• M1: 141,819 km (0.066 R)
• M2: 505,342 km (0.069 R)
• M3: 876,344 km (0.103 R)
• M4: 1,230,891 km (0.114 R)
• M5: 1,620,594 km (0.079 R)
• M6: 2,357,064 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 8.4

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.69 AU - 0.85 AU

Year: 475 Days

Day: 6.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,487,251 km

• M1: 104,419 km (0.08 R)
• M2: 379,380 km (0.072 R)
• M3: 696,228 km (0.119 R)
• M4: 1,045,839 km (0.06 R)
• M5: 1,388,418 km (0.088 R)
• M6: 1,797,418 km (0.079 R)
• M7: 2,351,978 km (0.095 R)
• M8: 2,760,380 km (0.027 R)
• M9: 3,179,703 km (0.105 R)
• M10: 3,653,928 km (0.055 R)
• M11: 4,246,635 km (0.031 R)
• M12: 4,543,437 km (0.052 R)
• M13: 5,535,570 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 14.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.8 AU - 1.1 AU

Year: 651 Days

Day: 10.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,487,251 km

• M1: 184,005 km (0.109 R)
• M2: 880,982 km (0.051 R)
• M3: 1,593,517 km (0.105 R)
• M4: 2,102,149 km (0.037 R)
• M5: 2,568,147 km (0.086 R)
• M6: 3,128,690 km (0.081 R)
• M7: 3,798,739 km (0.073 R)
• M8: 4,437,073 km (0.119 R)
• M9: 5,094,555 km (0.07 R)
• M10: 6,182,730 km (0.077 R)
• M11: 6,919,949 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 12.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.49 AU - 2.33 AU

Year: 1855 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,487,251 km

• M1: 153,039 km (0.11 R)
• M2: 544,237 km (0.084 R)
• M3: 944,262 km (0.057 R)
• M4: 1,633,160 km (0.059 R)
• M5: 2,097,661 km (0.118 R)
• M6: 2,850,887 km (0.083 R)
• M7: 3,946,691 km (0.077 R)
• M8: 4,775,463 km (0.091 R)
• M9: 5,806,342 km (0.035 R)
• M10: 6,315,125 km (0.063 R)
• M11: 7,031,100 km (0.067 R)
• M12: 9,413,596 km (0.106 R)
• M13: 10,448,813 km (0.049 R)
• M14: 10,924,983 km (0.112 R)
• M15: 11,344,605 km (0.118 R)
• M16: 12,365,910 km (0.104 R)
• M17: 12,821,884 km (0.112 R)
• M18: 13,249,734 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.6

Radius: 9.8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.99 AU - 2.95 AU

Year: 2729 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,487,251 km

• M1: 123,119 km (0.062 R)
• M2: 974,780 km (0.092 R)
• M3: 1,319,304 km (0.093 R)
• M4: 1,628,672 km (0.079 R)
• M5: 2,097,362 km (0.071 R)
• M6: 3,517,495 km (0.066 R)
• M7: 3,984,988 km (0.089 R)
• M8: 4,451,434 km (0.081 R)
• M9: 5,866,630 km (0.084 R)
• M10: 6,525,758 km (0.106 R)
• M11: 7,030,502 km (0.092 R)
• M12: 7,440,699 km (0.079 R)
• M13: 8,309,414 km (0.08 R)
• M14: 8,735,169 km (0.068 R)
• M15: 9,701,572 km (0.113 R)
• M16: 10,173,852 km (0.069 R)
• M17: 11,723,686 km (0.084 R)
• M18: 12,343,620 km (0.097 R)
• M19: 13,829,575 km (0.081 R)
• M20: 14,995,990 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 8.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.93 AU - 5.17 AU

Year: 7977 Days

Day: 14.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,487,251 km

• M1: 107,262 km (0.111 R)
• M2: 516,711 km (0.09 R)
• M3: 791,822 km (0.104 R)
• M4: 1,058,704 km (0.097 R)
• M5: 1,421,629 km (0.103 R)
• M6: 1,772,884 km (0.068 R)
• M7: 2,518,630 km (0.069 R)
• M8: 2,933,764 km (0.092 R)
• M9: 3,591,246 km (0.083 R)
• M10: 7,151,825 km (0.086 R)
• M11: 9,294,067 km (0.109 R)
• M12: 11,422,845 km (0.107 R)
• M13: 12,837,442 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.1

Radius: 5.9

Gravity: 23.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.08 AU - 7.42 AU

Year: 10983 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,487,251 km

• M1: 74,949 km (0.116 R)
• M2: 380,278 km (0.094 R)
• M3: 1,293,573 km (0.108 R)
• M4: 2,633,371 km (0.061 R)
• M5: 2,988,965 km (0.066 R)
• M6: 4,804,036 km (0.085 R)
• M7: 5,098,295 km (0.089 R)
• M8: 5,758,920 km (0.103 R)
• M9: 7,081,215 km (0.063 R)
• M10: 15,717,201 km (0.091 R)
• M11: 17,032,316 km (0.118 R)
• M12: 17,410,350 km (0.108 R)
• M13: 20,214,412 km (0.096 R)
• M14: 30,516,619 km (0.055 R)
• M15: 33,608,358 km (0.117 R)
• M16: 34,442,815 km (0.108 R)
• M17: 36,152,719 km (0.084 R)
• M18: 40,405,936 km (0.093 R)
• M19: 42,031,616 km (0.114 R)
• M20: 47,765,403 km (0.116 R)
• M21: 48,365,889 km (0.043 R)
• M22: 49,581,970 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 12,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit