🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 9.4

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.69 AU - 0.95 AU

Year: 487 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,535,922 km

• M1: 117,285 km (0.069 R)
• M2: 471,832 km (0.057 R)
• M3: 851,960 km (0.096 R)
• M4: 1,160,580 km (0.109 R)
• M5: 1,463,366 km (0.084 R)
• M6: 1,964,818 km (0.114 R)
• M7: 2,279,423 km (0.093 R)
• M8: 2,627,986 km (0.106 R)
• M9: 3,079,622 km (0.071 R)
• M10: 3,507,322 km (0.06 R)
• M11: 4,195,023 km (0.086 R)
• M12: 4,661,170 km (0.077 R)
• M13: 5,049,078 km (0.068 R)
• M14: 5,475,432 km (0.095 R)
• M15: 5,784,501 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 8.4

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.88 AU - 0.92 AU

Year: 560 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,535,922 km

• M1: 104,569 km (0.073 R)
• M2: 433,834 km (0.088 R)
• M3: 759,808 km (0.117 R)
• M4: 1,097,600 km (0.094 R)
• M5: 1,398,291 km (0.061 R)
• M6: 1,949,859 km (0.074 R)
• M7: 2,479,286 km (0.092 R)
• M8: 2,957,550 km (0.109 R)
• M9: 3,670,982 km (0.106 R)
• M10: 4,068,464 km (0.065 R)
• M11: 4,416,279 km (0.042 R)
• M12: 4,783,841 km (0.101 R)
• M13: 5,346,927 km (0.077 R)
• M14: 6,126,482 km (0.069 R)
• M15: 6,402,490 km (0.073 R)
• M16: 7,194,162 km (0.067 R)
• M17: 7,568,755 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 10.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.09 AU - 1.47 AU

Year: 950 Days

Day: 10.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,535,922 km

• M1: 136,583 km (0.094 R)
• M2: 591,360 km (0.108 R)
• M3: 924,964 km (0.07 R)
• M4: 1,648,569 km (0.041 R)
• M5: 2,051,286 km (0.114 R)
• M6: 2,678,699 km (0.112 R)
• M7: 3,072,441 km (0.109 R)
• M8: 3,459,750 km (0.113 R)
• M9: 5,248,043 km (0.058 R)
• M10: 5,976,734 km (0.101 R)
• M11: 6,422,536 km (0.114 R)
• M12: 6,914,563 km (0.11 R)
• M13: 7,356,176 km (0.119 R)
• M14: 8,080,529 km (0.08 R)
• M15: 8,570,911 km (0.089 R)
• M16: 9,853,563 km (0.113 R)
• M17: 10,287,397 km (0.118 R)
• M18: 11,093,729 km (0.086 R)

Asteroid Belt

Center: 1.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 12.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.01 AU - 2.63 AU

Year: 2318 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,535,922 km

• M1: 151,842 km (0.109 R)
• M2: 1,574,667 km (0.078 R)
• M3: 2,017,926 km (0.106 R)
• M4: 2,475,546 km (0.08 R)
• M5: 3,015,444 km (0.062 R)
• M6: 4,085,368 km (0.089 R)
• M7: 5,512,233 km (0.043 R)
• M8: 6,133,363 km (0.064 R)
• M9: 8,045,972 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 9.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.17 AU - 2.67 AU

Year: 2470 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,535,922 km

• M1: 115,639 km (0.088 R)
• M2: 458,218 km (0.101 R)
• M3: 762,800 km (0.105 R)
• M4: 1,089,671 km (0.096 R)
• M5: 1,405,173 km (0.087 R)
• M6: 1,919,191 km (0.094 R)
• M7: 2,594,177 km (0.081 R)
• M8: 3,046,261 km (0.07 R)
• M9: 3,533,801 km (0.105 R)
• M10: 3,840,177 km (0.045 R)
• M11: 4,506,935 km (0.085 R)
• M12: 5,903,880 km (0.112 R)
• M13: 6,637,807 km (0.072 R)
• M14: 9,142,973 km (0.113 R)
• M15: 9,989,697 km (0.116 R)
• M16: 10,536,328 km (0.065 R)
• M17: 11,066,652 km (0.082 R)
• M18: 11,577,529 km (0.082 R)
• M19: 12,844,324 km (0.083 R)
• M20: 13,697,181 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 8.6

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.38 AU - 2.98 AU

Year: 2878 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,535,922 km

• M1: 106,962 km (0.114 R)
• M2: 547,229 km (0.111 R)
• M3: 1,277,566 km (0.069 R)
• M4: 1,623,885 km (0.072 R)
• M5: 2,551,541 km (0.087 R)
• M6: 3,156,365 km (0.102 R)
• M7: 3,610,545 km (0.097 R)
• M8: 4,627,810 km (0.08 R)
• M9: 6,899,903 km (0.085 R)
• M10: 7,605,107 km (0.118 R)
• M11: 8,953,732 km (0.119 R)
• M12: 11,305,261 km (0.108 R)
• M13: 11,910,833 km (0.066 R)
• M14: 12,924,358 km (0.036 R)
• M15: 14,224,663 km (0.101 R)
• M16: 14,740,028 km (0.118 R)
• M17: 15,267,659 km (0.08 R)
• M18: 15,659,307 km (0.111 R)
• M19: 16,411,784 km (0.1 R)
• M20: 17,880,386 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 16,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit