🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 14.5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.67 AU - 0.69 AU

Year: 387 Days

Day: 5.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,045,007 km

• M1: 180,265 km (0.076 R)
• M2: 914,791 km (0.116 R)
• M3: 1,384,079 km (0.091 R)
• M4: 1,964,968 km (0.108 R)
• M5: 2,434,855 km (0.103 R)
• M6: 2,970,415 km (0.115 R)
• M7: 3,742,041 km (0.108 R)
• M8: 4,242,895 km (0.066 R)
• M9: 4,817,650 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.3 AU - 2.1 AU

Year: 1530 Days

Day: 12.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,045,007 km

• M1: 111,899 km (0.054 R)
• M2: 406,457 km (0.058 R)
• M3: 745,297 km (0.117 R)
• M4: 1,446,911 km (0.074 R)
• M5: 2,166,028 km (0.102 R)
• M6: 5,330,771 km (0.106 R)
• M7: 8,243,591 km (0.047 R)
• M8: 9,235,574 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.6

Radius: 12.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.09 AU - 3.99 AU

Year: 4597 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,045,007 km

• M1: 156,180 km (0.097 R)
• M2: 581,487 km (0.092 R)
• M3: 1,264,102 km (0.112 R)
• M4: 1,982,321 km (0.099 R)
• M5: 3,331,545 km (0.053 R)
• M6: 3,843,020 km (0.05 R)
• M7: 4,667,454 km (0.114 R)
• M8: 5,310,126 km (0.119 R)
• M9: 6,589,487 km (0.058 R)
• M10: 6,986,520 km (0.098 R)
• M11: 7,770,861 km (0.076 R)
• M12: 9,120,833 km (0.117 R)
• M13: 9,682,423 km (0.1 R)
• M14: 10,657,652 km (0.117 R)
• M15: 11,281,026 km (0.1 R)
• M16: 12,440,409 km (0.118 R)
• M17: 12,884,865 km (0.058 R)
• M18: 13,891,509 km (0.079 R)
• M19: 14,769,947 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.9

Radius: 14.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.42 AU - 4.2 AU

Year: 5133 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,045,007 km

• M1: 176,525 km (0.05 R)
• M2: 904,319 km (0.079 R)
• M3: 1,351,467 km (0.09 R)
• M4: 2,048,294 km (0.105 R)
• M5: 3,025,767 km (0.12 R)
• M6: 4,071,605 km (0.096 R)
• M7: 4,811,965 km (0.084 R)
• M8: 5,766,699 km (0.116 R)
• M9: 6,674,459 km (0.096 R)
• M10: 8,506,733 km (0.102 R)
• M11: 10,927,077 km (0.063 R)
• M12: 11,445,284 km (0.08 R)
• M13: 12,063,572 km (0.107 R)
• M14: 13,010,676 km (0.091 R)
• M15: 19,301,117 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.6

Radius: 6.3

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.79 AU - 8.69 AU

Year: 14864 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,045,007 km

• M1: 78,539 km (0.085 R)
• M2: 292,165 km (0.045 R)
• M3: 522,695 km (0.099 R)
• M4: 840,740 km (0.108 R)
• M5: 1,139,188 km (0.089 R)
• M6: 1,804,898 km (0.087 R)
• M7: 2,250,401 km (0.096 R)
• M8: 2,724,177 km (0.086 R)
• M9: 3,030,105 km (0.047 R)
• M10: 4,729,686 km (0.106 R)
• M11: 5,205,108 km (0.093 R)
• M12: 6,862,503 km (0.102 R)
• M13: 7,897,122 km (0.031 R)
• M14: 9,174,987 km (0.12 R)
• M15: 9,465,805 km (0.049 R)
• M16: 10,168,317 km (0.109 R)
• M17: 14,534,331 km (0.045 R)
• M18: 16,019,389 km (0.12 R)
• M19: 18,895,707 km (0.083 R)
• M20: 21,754,672 km (0.114 R)
• M21: 23,601,607 km (0.093 R)
• M22: 24,056,385 km (0.114 R)
• M23: 25,360,579 km (0.102 R)
• M24: 26,515,325 km (0.049 R)
• M25: 29,871,404 km (0.093 R)
• M26: 32,037,282 km (0.07 R)
• M27: 41,485,883 km (0.066 R)
• M28: 42,414,886 km (0.085 R)
• M29: 49,309,702 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.8

Radius: 3.5

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.15 AU - 8.65 AU

Year: 16805 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,045,007 km

• M1: 43,533 km (0.094 R)
• M2: 186,848 km (0.066 R)
• M3: 327,769 km (0.096 R)
• M4: 577,448 km (0.114 R)
• M5: 951,293 km (0.034 R)
• M6: 1,336,059 km (0.104 R)
• M7: 2,040,964 km (0.088 R)
• M8: 2,300,516 km (0.075 R)
• M9: 3,890,293 km (0.101 R)
• M10: 4,288,821 km (0.114 R)
• M11: 4,796,557 km (0.11 R)
• M12: 8,027,272 km (0.104 R)
• M13: 9,879,294 km (0.044 R)
• M14: 10,106,383 km (0.101 R)
• M15: 10,760,425 km (0.119 R)
• M16: 10,904,039 km (0.106 R)
• M17: 11,642,155 km (0.072 R)
• M18: 12,308,165 km (0.047 R)
• M19: 13,326,777 km (0.035 R)
• M20: 14,112,315 km (0.105 R)
• M21: 14,692,007 km (0.117 R)
• M22: 26,856,857 km (0.098 R)
• M23: 33,799,993 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 18,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit