🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 9.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.54 AU - 0.64 AU

Year: 313 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,152,452 km

• M1: 121,473 km (0.076 R)
• M2: 852,409 km (0.053 R)
• M3: 1,366,128 km (0.043 R)
• M4: 1,685,070 km (0.113 R)
• M5: 2,207,765 km (0.046 R)
• M6: 3,522,880 km (0.072 R)
• M7: 3,848,405 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 15

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.65 AU - 0.73 AU

Year: 396 Days

Day: 13 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,152,452 km

• M1: 186,848 km (0.04 R)
• M2: 668,553 km (0.104 R)
• M3: 1,200,673 km (0.059 R)
• M4: 1,716,785 km (0.111 R)
• M5: 2,256,983 km (0.096 R)
• M6: 3,096,676 km (0.117 R)
• M7: 3,703,146 km (0.103 R)
• M8: 4,474,622 km (0.054 R)
• M9: 4,984,451 km (0.08 R)
• M10: 5,857,355 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 14.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,152,452 km

• M1: 184,155 km (0.088 R)
• M2: 879,635 km (0.103 R)
• M3: 1,388,567 km (0.077 R)
• M4: 2,002,966 km (0.073 R)
• M5: 2,897,561 km (0.104 R)
• M6: 3,713,169 km (0.09 R)
• M7: 4,552,263 km (0.08 R)
• M8: 5,017,662 km (0.06 R)
• M9: 5,639,840 km (0.084 R)
• M10: 6,101,948 km (0.113 R)
• M11: 6,609,533 km (0.05 R)
• M12: 7,380,561 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 13.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.24 AU - 1.78 AU

Year: 1281 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,152,452 km

• M1: 166,652 km (0.062 R)
• M2: 663,915 km (0.118 R)
• M3: 1,302,848 km (0.101 R)
• M4: 1,769,294 km (0.075 R)
• M5: 2,394,613 km (0.1 R)
• M6: 3,108,345 km (0.12 R)
• M7: 3,577,334 km (0.11 R)
• M8: 4,009,971 km (0.077 R)
• M9: 4,495,566 km (0.092 R)
• M10: 4,923,864 km (0.116 R)
• M11: 6,149,370 km (0.102 R)
• M12: 6,870,432 km (0.099 R)
• M13: 7,751,414 km (0.047 R)
• M14: 8,906,459 km (0.069 R)
• M15: 9,435,437 km (0.116 R)
• M16: 11,082,509 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 10.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.62 AU - 2.82 AU

Year: 3096 Days

Day: 13.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,152,452 km

• M1: 131,197 km (0.036 R)
• M2: 682,765 km (0.11 R)
• M3: 1,197,830 km (0.097 R)
• M4: 1,909,916 km (0.064 R)
• M5: 2,511,898 km (0.072 R)
• M6: 3,109,541 km (0.091 R)
• M7: 3,738,451 km (0.11 R)
• M8: 4,754,071 km (0.067 R)
• M9: 7,550,205 km (0.117 R)
• M10: 8,542,487 km (0.075 R)
• M11: 11,817,783 km (0.106 R)
• M12: 13,635,846 km (0.106 R)
• M13: 14,433,203 km (0.094 R)
• M14: 15,103,551 km (0.039 R)
• M15: 15,848,698 km (0.094 R)
• M16: 22,924,826 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.8

Radius: 7.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.33 AU - 8.97 AU

Year: 14605 Days

Day: 21 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,152,452 km

• M1: 213,327 km (0.108 R)
• M2: 691,741 km (0.101 R)
• M3: 1,130,212 km (0.077 R)
• M4: 1,418,786 km (0.088 R)
• M5: 3,162,050 km (0.07 R)
• M6: 4,389,800 km (0.119 R)
• M7: 4,648,155 km (0.113 R)
• M8: 5,877,102 km (0.12 R)
• M9: 6,450,959 km (0.097 R)
• M10: 12,307,267 km (0.11 R)
• M11: 17,348,117 km (0.059 R)
• M12: 20,966,590 km (0.088 R)
• M13: 27,595,870 km (0.098 R)
• M14: 30,672,500 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.7

Radius: 4.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.4 AU - 11.16 AU

Year: 22751 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,152,452 km

• M1: 59,839 km (0.073 R)
• M2: 268,379 km (0.087 R)
• M3: 488,886 km (0.075 R)
• M4: 664,813 km (0.119 R)
• M5: 1,345,782 km (0.119 R)
• M6: 1,638,396 km (0.054 R)
• M7: 2,075,670 km (0.088 R)
• M8: 3,518,093 km (0.107 R)
• M9: 4,533,264 km (0.117 R)
• M10: 6,571,834 km (0.061 R)
• M11: 7,493,357 km (0.041 R)
• M12: 8,635,088 km (0.034 R)
• M13: 8,914,238 km (0.077 R)
• M14: 10,142,287 km (0.109 R)
• M15: 13,666,663 km (0.112 R)
• M16: 14,759,027 km (0.101 R)
• M17: 24,541,082 km (0.105 R)
• M18: 27,826,999 km (0.091 R)
• M19: 30,208,747 km (0.103 R)
• M20: 33,743,595 km (0.033 R)
• M21: 34,668,559 km (0.085 R)
• M22: 35,491,646 km (0.047 R)
• M23: 40,446,178 km (0.115 R)
• M24: 44,175,952 km (0.1 R)
• M25: 44,865,299 km (0.053 R)
• M26: 45,702,000 km (0.101 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: 465 - 16,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit