🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 10.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.56 AU - 0.74 AU

Year: 355 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,970,816 km

• M1: 135,685 km (0.114 R)
• M2: 674,387 km (0.052 R)
• M3: 1,021,305 km (0.085 R)
• M4: 1,447,808 km (0.046 R)
• M5: 1,861,895 km (0.104 R)
• M6: 2,345,844 km (0.116 R)
• M7: 2,841,013 km (0.086 R)
• M8: 3,428,334 km (0.049 R)
• M9: 4,187,394 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 8.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.92 AU - 1.28 AU

Year: 782 Days

Day: 8.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,970,816 km

• M1: 104,569 km (0.088 R)
• M2: 406,906 km (0.102 R)
• M3: 749,635 km (0.035 R)
• M4: 1,278,912 km (0.085 R)
• M5: 1,546,842 km (0.113 R)
• M6: 2,892,176 km (0.113 R)
• M7: 3,386,746 km (0.059 R)
• M8: 3,723,641 km (0.064 R)
• M9: 4,248,280 km (0.116 R)
• M10: 5,161,276 km (0.078 R)
• M11: 5,426,812 km (0.102 R)
• M12: 6,082,051 km (0.103 R)
• M13: 6,915,461 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.1

Radius: 8.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.14 AU - 1.56 AU

Year: 1064 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,970,816 km

• M1: 122,521 km (0.119 R)
• M2: 463,753 km (0.111 R)
• M3: 939,774 km (0.088 R)
• M4: 1,517,820 km (0.115 R)
• M5: 2,075,820 km (0.089 R)
• M6: 3,298,633 km (0.113 R)
• M7: 3,598,278 km (0.104 R)
• M8: 4,218,062 km (0.045 R)
• M9: 4,700,515 km (0.052 R)
• M10: 5,948,161 km (0.083 R)
• M11: 7,178,603 km (0.085 R)
• M12: 7,814,694 km (0.058 R)
• M13: 8,767,482 km (0.101 R)
• M14: 9,524,148 km (0.114 R)
• M15: 10,229,054 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 14.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.37 AU - 3.79 AU

Year: 3666 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,970,816 km

• M1: 176,675 km (0.103 R)
• M2: 760,855 km (0.112 R)
• M3: 1,802,355 km (0.111 R)
• M4: 2,286,155 km (0.102 R)
• M5: 2,828,896 km (0.103 R)
• M6: 3,641,511 km (0.1 R)
• M7: 4,330,260 km (0.103 R)
• M8: 4,788,478 km (0.068 R)
• M9: 5,803,500 km (0.102 R)
• M10: 6,362,547 km (0.106 R)
• M11: 8,199,459 km (0.113 R)
• M12: 10,159,790 km (0.108 R)
• M13: 12,297,693 km (0.103 R)
• M14: 14,195,342 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.4

Radius: 3.1

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.16 AU - 7.78 AU

Year: 11162 Days

Day: 16 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,970,816 km

• M1: 39,494 km (0.1 R)
• M2: 334,950 km (0.108 R)
• M3: 531,072 km (0.054 R)
• M4: 1,568,534 km (0.105 R)
• M5: 1,681,330 km (0.094 R)
• M6: 1,867,580 km (0.096 R)
• M7: 2,936,756 km (0.065 R)
• M8: 3,287,413 km (0.103 R)
• M9: 3,841,973 km (0.115 R)
• M10: 5,160,977 km (0.119 R)
• M11: 5,439,827 km (0.089 R)
• M12: 6,211,752 km (0.103 R)
• M13: 8,116,881 km (0.089 R)
• M14: 11,417,908 km (0.117 R)
• M15: 12,976,568 km (0.053 R)
• M16: 14,072,971 km (0.061 R)
• M17: 14,726,414 km (0.12 R)
• M18: 15,116,865 km (0.094 R)
• M19: 15,286,359 km (0.117 R)
• M20: 15,457,050 km (0.09 R)
• M21: 17,234,423 km (0.094 R)
• M22: 22,263,903 km (0.031 R)
• M23: 27,178,044 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.6

Radius: 3.6

Gravity: 47.42 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.06 AU - 8.84 AU

Year: 16660 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,970,816 km

• M1: 44,730 km (0.11 R)
• M2: 347,217 km (0.057 R)
• M3: 526,136 km (0.111 R)
• M4: 663,467 km (0.112 R)
• M5: 814,261 km (0.089 R)
• M6: 1,365,829 km (0.109 R)
• M7: 1,850,825 km (0.084 R)
• M8: 2,016,729 km (0.065 R)
• M9: 3,073,937 km (0.086 R)
• M10: 3,955,667 km (0.111 R)
• M11: 4,325,922 km (0.043 R)
• M12: 4,718,915 km (0.072 R)
• M13: 6,699,890 km (0.085 R)
• M14: 7,360,514 km (0.084 R)
• M15: 8,964,802 km (0.098 R)
• M16: 12,132,088 km (0.095 R)
• M17: 13,109,860 km (0.105 R)
• M18: 16,826,469 km (0.105 R)
• M19: 17,711,042 km (0.061 R)
• M20: 18,541,609 km (0.047 R)
• M21: 20,730,974 km (0.105 R)
• M22: 21,746,594 km (0.079 R)
• M23: 23,086,691 km (0.087 R)
• M24: 30,266,791 km (0.097 R)
• M25: 32,177,604 km (0.074 R)
• M26: 43,391,162 km (0.085 R)
• M27: 43,989,104 km (0.091 R)
• M28: 49,619,220 km (0.093 R)
• M29: 51,264,198 km (0.092 R)
• M30: 56,594,370 km (0.059 R)
• M31: 60,222,119 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 14,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit