🌌 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: 868.7

Radius: 9.1

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,009,785 km

• M1: 113,694 km (0.055 R)
• M2: 408,402 km (0.04 R)
• M3: 773,421 km (0.09 R)
• M4: 1,120,039 km (0.11 R)
• M5: 1,424,172 km (0.092 R)
• M6: 1,727,257 km (0.087 R)
• M7: 2,025,854 km (0.071 R)
• M8: 2,315,625 km (0.066 R)
• M9: 2,719,540 km (0.113 R)
• M10: 3,224,433 km (0.054 R)
• M11: 3,864,412 km (0.071 R)
• M12: 4,182,008 km (0.072 R)
• M13: 4,841,436 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 11.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.58 AU - 0.7 AU

Year: 347 Days

Day: 14.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,009,785 km

• M1: 147,952 km (0.101 R)
• M2: 525,537 km (0.113 R)
• M3: 968,945 km (0.073 R)
• M4: 1,391,111 km (0.089 R)
• M5: 1,917,994 km (0.073 R)
• M6: 2,341,207 km (0.091 R)

Asteroid Belt

Center: 0.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.8

Radius: 13

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.01 AU - 1.29 AU

Year: 836 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 153.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,009,785 km

• M1: 161,715 km (0.087 R)
• M2: 618,886 km (0.096 R)
• M3: 1,152,801 km (0.03 R)
• M4: 1,683,425 km (0.062 R)
• M5: 2,102,448 km (0.047 R)
• M6: 2,833,533 km (0.12 R)
• M7: 3,335,733 km (0.038 R)
• M8: 4,185,000 km (0.109 R)
• M9: 4,608,512 km (0.054 R)
• M10: 5,346,179 km (0.061 R)
• M11: 5,825,640 km (0.108 R)
• M12: 6,333,824 km (0.115 R)
• M13: 7,464,036 km (0.085 R)
• M14: 8,376,882 km (0.081 R)
• M15: 9,766,647 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 13.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 948 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,009,785 km

• M1: 169,195 km (0.117 R)
• M2: 645,814 km (0.114 R)
• M3: 1,090,568 km (0.097 R)
• M4: 1,670,111 km (0.088 R)
• M5: 2,217,190 km (0.1 R)
• M6: 2,680,195 km (0.051 R)
• M7: 3,336,332 km (0.041 R)
• M8: 4,048,118 km (0.049 R)
• M9: 4,729,237 km (0.034 R)
• M10: 7,020,628 km (0.107 R)
• M11: 8,630,002 km (0.113 R)
• M12: 11,054,684 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123

Radius: 14.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.63 AU - 1.99 AU

Year: 1652 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,009,785 km

• M1: 179,218 km (0.118 R)
• M2: 719,865 km (0.08 R)
• M3: 1,692,550 km (0.109 R)
• M4: 3,729,325 km (0.082 R)
• M5: 5,385,523 km (0.113 R)
• M6: 6,897,659 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.8

Radius: 10.7

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.69 AU - 2.31 AU

Year: 1918 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,009,785 km

• M1: 133,142 km (0.108 R)
• M2: 499,806 km (0.11 R)
• M3: 958,773 km (0.054 R)
• M4: 1,655,300 km (0.105 R)
• M5: 2,271,644 km (0.118 R)
• M6: 2,867,043 km (0.083 R)
• M7: 3,358,771 km (0.06 R)
• M8: 3,741,293 km (0.087 R)
• M9: 4,290,168 km (0.088 R)
• M10: 4,870,458 km (0.072 R)
• M11: 5,716,733 km (0.104 R)
• M12: 6,162,535 km (0.119 R)
• M13: 7,096,175 km (0.047 R)
• M14: 8,090,851 km (0.07 R)
• M15: 8,526,480 km (0.078 R)
• M16: 10,428,019 km (0.03 R)
• M17: 10,869,781 km (0.105 R)
• M18: 11,751,212 km (0.069 R)
• M19: 12,679,766 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 9.6

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.11 AU - 3.95 AU

Year: 4498 Days

Day: 9.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,009,785 km

• M1: 119,379 km (0.099 R)
• M2: 480,658 km (0.113 R)
• M3: 790,326 km (0.077 R)
• M4: 1,103,434 km (0.046 R)
• M5: 1,455,138 km (0.068 R)
• M6: 1,854,864 km (0.097 R)
• M7: 2,732,854 km (0.073 R)
• M8: 3,388,392 km (0.102 R)
• M9: 4,027,175 km (0.109 R)
• M10: 4,363,321 km (0.112 R)
• M11: 4,796,856 km (0.114 R)
• M12: 5,486,352 km (0.044 R)
• M13: 7,269,709 km (0.107 R)
• M14: 8,447,044 km (0.041 R)
• M15: 12,995,567 km (0.09 R)
• M16: 15,062,262 km (0.067 R)
• M17: 17,089,163 km (0.091 R)
• M18: 18,038,661 km (0.079 R)
• M19: 20,813,552 km (0.062 R)
• M20: 21,676,731 km (0.083 R)
• M21: 22,191,049 km (0.115 R)
• M22: 22,638,496 km (0.074 R)
• M23: 23,474,299 km (0.107 R)
• M24: 26,604,037 km (0.112 R)
• M25: 27,024,407 km (0.09 R)
• M26: 29,015,554 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit