🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 13.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 13.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,396,495 km

• M1: 166,802 km (0.116 R)
• M2: 724,652 km (0.032 R)
• M3: 1,197,381 km (0.094 R)
• M4: 1,861,147 km (0.071 R)
• M5: 2,397,306 km (0.116 R)
• M6: 2,901,451 km (0.11 R)
• M7: 3,562,972 km (0.045 R)
• M8: 4,030,615 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 13.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.6 AU - 0.7 AU

Year: 362 Days

Day: 12.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,396,495 km

• M1: 169,195 km (0.076 R)
• M2: 617,690 km (0.096 R)
• M3: 1,273,377 km (0.1 R)
• M4: 1,746,854 km (0.099 R)
• M5: 2,833,832 km (0.08 R)
• M6: 3,870,695 km (0.101 R)
• M7: 4,331,906 km (0.057 R)
• M8: 4,859,388 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.1

Radius: 13.2

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.03 AU - 1.43 AU

Year: 942 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,396,495 km

• M1: 164,109 km (0.114 R)
• M2: 678,426 km (0.062 R)
• M3: 1,436,588 km (0.104 R)
• M4: 2,154,957 km (0.112 R)
• M5: 2,969,069 km (0.084 R)
• M6: 3,411,879 km (0.045 R)
• M7: 4,380,674 km (0.051 R)
• M8: 5,207,053 km (0.094 R)
• M9: 6,490,453 km (0.057 R)
• M10: 7,540,181 km (0.065 R)
• M11: 8,211,876 km (0.116 R)
• M12: 8,783,190 km (0.101 R)
• M13: 9,645,472 km (0.058 R)
• M14: 10,251,194 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 13.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.38 AU - 1.8 AU

Year: 1384 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,396,495 km

• M1: 165,455 km (0.06 R)
• M2: 635,492 km (0.097 R)
• M3: 1,290,730 km (0.113 R)
• M4: 1,941,930 km (0.105 R)
• M5: 3,196,607 km (0.057 R)
• M6: 4,198,464 km (0.06 R)
• M7: 5,362,934 km (0.115 R)
• M8: 6,231,948 km (0.111 R)
• M9: 6,711,110 km (0.098 R)
• M10: 8,373,292 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.7

Radius: 13.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.14 AU - 3.26 AU

Year: 3062 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,396,495 km

• M1: 169,195 km (0.092 R)
• M2: 621,579 km (0.071 R)
• M3: 1,225,057 km (0.051 R)
• M4: 2,105,291 km (0.107 R)
• M5: 2,533,290 km (0.027 R)
• M6: 3,158,609 km (0.06 R)
• M7: 4,033,607 km (0.114 R)
• M8: 5,143,025 km (0.039 R)
• M9: 5,674,098 km (0.118 R)
• M10: 7,040,824 km (0.088 R)
• M11: 8,339,184 km (0.098 R)
• M12: 9,103,778 km (0.073 R)
• M13: 10,258,524 km (0.089 R)

Asteroid Belt

Center: 3.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 12.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.96 AU - 3.9 AU

Year: 4385 Days

Day: 11.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,396,495 km

• M1: 154,235 km (0.106 R)
• M2: 542,292 km (0.105 R)
• M3: 963,111 km (0.069 R)
• M4: 1,388,567 km (0.068 R)
• M5: 2,010,595 km (0.042 R)
• M6: 2,830,541 km (0.097 R)
• M7: 5,076,005 km (0.074 R)
• M8: 5,599,000 km (0.111 R)
• M9: 6,007,252 km (0.095 R)
• M10: 6,498,232 km (0.063 R)
• M11: 7,595,832 km (0.1 R)
• M12: 7,988,078 km (0.059 R)
• M13: 9,530,132 km (0.057 R)
• M14: 10,156,798 km (0.105 R)
• M15: 11,035,087 km (0.069 R)
• M16: 11,585,906 km (0.094 R)
• M17: 12,203,297 km (0.11 R)
• M18: 13,503,901 km (0.107 R)
• M19: 13,922,176 km (0.036 R)
• M20: 14,565,746 km (0.06 R)
• M21: 17,279,452 km (0.061 R)
• M22: 19,178,297 km (0.116 R)
• M23: 20,246,127 km (0.093 R)
• M24: 22,793,031 km (0.077 R)
• M25: 23,461,733 km (0.075 R)
• M26: 24,143,600 km (0.115 R)
• M27: 27,501,175 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.1

Radius: 3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.31 AU - 7.85 AU

Year: 14405 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,396,495 km

• M1: 37,549 km (0.107 R)
• M2: 185,202 km (0.105 R)
• M3: 624,422 km (0.077 R)
• M4: 778,208 km (0.105 R)
• M5: 1,105,977 km (0.091 R)
• M6: 2,039,468 km (0.114 R)
• M7: 2,457,743 km (0.061 R)
• M8: 4,733,725 km (0.118 R)
• M9: 4,908,755 km (0.034 R)
• M10: 5,062,392 km (0.052 R)
• M11: 7,196,256 km (0.087 R)
• M12: 7,294,841 km (0.056 R)
• M13: 7,940,954 km (0.086 R)
• M14: 8,847,816 km (0.098 R)
• M15: 9,229,141 km (0.082 R)
• M16: 17,318,945 km (0.111 R)
• M17: 19,655,664 km (0.034 R)
• M18: 20,042,824 km (0.052 R)
• M19: 24,643,257 km (0.109 R)
• M20: 25,168,944 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 17,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit