🌌 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: 711.2

Radius: 9.5

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,892,038 km

• M1: 118,182 km (0.032 R)
• M2: 586,723 km (0.068 R)
• M3: 948,151 km (0.059 R)
• M4: 1,339,649 km (0.082 R)
• M5: 1,762,861 km (0.119 R)
• M6: 2,078,064 km (0.097 R)
• M7: 2,703,982 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 11.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.63 AU - 0.85 AU

Year: 439 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,892,038 km

• M1: 146,756 km (0.113 R)
• M2: 559,346 km (0.08 R)
• M3: 1,249,142 km (0.025 R)
• M4: 1,970,653 km (0.066 R)
• M5: 2,539,873 km (0.082 R)
• M6: 2,964,282 km (0.119 R)
• M7: 3,507,472 km (0.077 R)
• M8: 3,983,941 km (0.095 R)
• M9: 4,404,311 km (0.036 R)
• M10: 5,546,191 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 10.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.42 AU - 2.2 AU

Year: 1681 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,892,038 km

• M1: 128,205 km (0.047 R)
• M2: 753,973 km (0.098 R)
• M3: 1,160,131 km (0.114 R)
• M4: 1,914,404 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 13.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.24 AU - 4.16 AU

Year: 4913 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,892,038 km

• M1: 167,849 km (0.098 R)
• M2: 632,051 km (0.089 R)
• M3: 1,941,182 km (0.115 R)
• M4: 5,949,956 km (0.059 R)
• M5: 6,390,821 km (0.099 R)
• M6: 6,821,962 km (0.092 R)
• M7: 8,857,840 km (0.061 R)
• M8: 9,278,210 km (0.093 R)
• M9: 10,748,607 km (0.064 R)
• M10: 12,181,455 km (0.101 R)
• M11: 16,146,547 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 9.5

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.64 AU - 4.24 AU

Year: 5398 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 79.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,892,038 km

• M1: 118,182 km (0.106 R)
• M2: 562,937 km (0.118 R)
• M3: 980,315 km (0.062 R)
• M4: 1,465,461 km (0.071 R)
• M5: 2,013,887 km (0.102 R)
• M6: 2,497,985 km (0.05 R)
• M7: 2,939,748 km (0.045 R)
• M8: 4,454,576 km (0.085 R)
• M9: 4,827,523 km (0.069 R)
• M10: 6,567,047 km (0.12 R)
• M11: 6,910,524 km (0.109 R)
• M12: 8,208,884 km (0.094 R)
• M13: 9,020,004 km (0.076 R)
• M14: 9,402,077 km (0.078 R)
• M15: 10,153,357 km (0.12 R)
• M16: 11,184,236 km (0.097 R)
• M17: 11,775,148 km (0.046 R)
• M18: 12,231,870 km (0.101 R)
• M19: 12,859,283 km (0.091 R)
• M20: 13,180,919 km (0.096 R)
• M21: 13,952,245 km (0.116 R)
• M22: 15,645,693 km (0.093 R)
• M23: 16,074,142 km (0.05 R)
• M24: 18,066,486 km (0.066 R)
• M25: 18,811,483 km (0.092 R)
• M26: 20,002,731 km (0.1 R)
• M27: 21,243,646 km (0.084 R)
• M28: 30,161,923 km (0.116 R)
• M29: 31,889,329 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 13

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.94 AU - 5.24 AU

Year: 6788 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,892,038 km

• M1: 161,715 km (0.103 R)
• M2: 591,660 km (0.11 R)
• M3: 1,096,403 km (0.092 R)
• M4: 1,776,924 km (0.118 R)
• M5: 2,325,349 km (0.117 R)
• M6: 3,508,519 km (0.104 R)
• M7: 4,195,622 km (0.095 R)
• M8: 4,711,735 km (0.08 R)
• M9: 6,520,074 km (0.119 R)
• M10: 7,177,407 km (0.101 R)
• M11: 8,753,719 km (0.061 R)
• M12: 10,747,111 km (0.099 R)
• M13: 11,457,103 km (0.071 R)
• M14: 14,431,856 km (0.072 R)
• M15: 19,620,658 km (0.049 R)
• M16: 21,542,093 km (0.11 R)
• M17: 26,115,599 km (0.086 R)
• M18: 27,867,839 km (0.025 R)
• M19: 28,341,765 km (0.117 R)
• M20: 30,191,693 km (0.093 R)
• M21: 30,691,649 km (0.062 R)
• M22: 31,503,068 km (0.049 R)
• M23: 35,776,181 km (0.059 R)
• M24: 36,901,905 km (0.032 R)
• M25: 38,517,562 km (0.103 R)
• M26: 40,300,320 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109

Radius: 10.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.65 AU - 4.91 AU

Year: 7214 Days

Day: 9.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,892,038 km

• M1: 133,591 km (0.113 R)
• M2: 527,033 km (0.085 R)
• M3: 991,684 km (0.11 R)
• M4: 1,460,524 km (0.084 R)
• M5: 1,793,978 km (0.062 R)
• M6: 2,559,320 km (0.101 R)
• M7: 3,777,645 km (0.09 R)
• M8: 5,885,928 km (0.06 R)
• M9: 6,892,572 km (0.025 R)
• M10: 7,752,162 km (0.111 R)
• M11: 8,207,837 km (0.113 R)
• M12: 10,800,966 km (0.116 R)
• M13: 12,002,237 km (0.084 R)
• M14: 12,746,636 km (0.119 R)
• M15: 13,290,424 km (0.111 R)
• M16: 14,183,075 km (0.048 R)
• M17: 15,879,515 km (0.087 R)
• M18: 17,651,502 km (0.105 R)
• M19: 20,582,124 km (0.074 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: 358 - 18,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit