🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 11.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.96 AU - 1.5 AU

Year: 881 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,946,058 km

• M1: 148,251 km (0.075 R)
• M2: 779,405 km (0.09 R)
• M3: 1,364,781 km (0.093 R)
• M4: 1,763,908 km (0.026 R)
• M5: 2,930,323 km (0.108 R)
• M6: 3,769,717 km (0.043 R)
• M7: 4,205,795 km (0.106 R)
• M8: 4,658,029 km (0.117 R)
• M9: 5,523,453 km (0.093 R)
• M10: 6,938,648 km (0.106 R)
• M11: 7,718,801 km (0.114 R)
• M12: 9,093,007 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 12.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.44 AU - 2 AU

Year: 1456 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,946,058 km

• M1: 161,117 km (0.055 R)
• M2: 770,728 km (0.117 R)
• M3: 1,479,822 km (0.111 R)
• M4: 1,904,082 km (0.058 R)
• M5: 2,388,480 km (0.103 R)
• M6: 2,942,291 km (0.116 R)
• M7: 4,327,418 km (0.061 R)
• M8: 5,528,389 km (0.077 R)
• M9: 7,592,840 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 8.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.49 AU - 2.23 AU

Year: 1638 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,946,058 km

• M1: 107,262 km (0.103 R)
• M2: 445,203 km (0.081 R)
• M3: 1,098,198 km (0.052 R)
• M4: 1,839,605 km (0.084 R)
• M5: 2,573,383 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.8

Radius: 10.6

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.8 AU - 2.16 AU

Year: 1799 Days

Day: 11.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,946,058 km

• M1: 132,544 km (0.054 R)
• M2: 560,543 km (0.089 R)
• M3: 892,351 km (0.117 R)
• M4: 1,254,378 km (0.058 R)
• M5: 1,666,071 km (0.095 R)
• M6: 2,252,794 km (0.115 R)
• M7: 2,629,332 km (0.093 R)
• M8: 3,047,907 km (0.098 R)
• M9: 4,804,036 km (0.119 R)
• M10: 5,276,616 km (0.072 R)
• M11: 6,067,989 km (0.116 R)
• M12: 6,466,966 km (0.047 R)
• M13: 7,457,155 km (0.087 R)
• M14: 8,392,441 km (0.057 R)
• M15: 9,079,693 km (0.085 R)
• M16: 9,536,266 km (0.098 R)
• M17: 11,293,143 km (0.092 R)
• M18: 12,287,520 km (0.1 R)
• M19: 13,215,027 km (0.096 R)
• M20: 13,759,414 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.2

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.24 AU - 3.76 AU

Year: 4228 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,946,058 km

• M1: 143,016 km (0.114 R)
• M2: 575,353 km (0.088 R)
• M3: 978,370 km (0.099 R)
• M4: 1,340,547 km (0.103 R)
• M5: 2,282,265 km (0.082 R)
• M6: 2,873,476 km (0.08 R)
• M7: 3,490,866 km (0.109 R)
• M8: 3,990,374 km (0.118 R)
• M9: 4,944,658 km (0.056 R)
• M10: 7,485,877 km (0.119 R)
• M11: 9,250,684 km (0.076 R)
• M12: 11,277,884 km (0.107 R)
• M13: 12,592,401 km (0.075 R)
• M14: 15,676,361 km (0.115 R)
• M15: 16,191,875 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.8

Radius: 9.2

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.56 AU - 3.84 AU

Year: 4595 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,946,058 km

• M1: 114,742 km (0.097 R)
• M2: 466,446 km (0.101 R)
• M3: 758,611 km (0.062 R)
• M4: 1,052,271 km (0.101 R)
• M5: 1,690,306 km (0.027 R)
• M6: 2,089,284 km (0.113 R)
• M7: 2,452,956 km (0.115 R)
• M8: 3,368,645 km (0.063 R)
• M9: 4,005,184 km (0.095 R)
• M10: 5,107,421 km (0.076 R)
• M11: 5,888,621 km (0.092 R)
• M12: 6,941,640 km (0.09 R)
• M13: 8,410,093 km (0.083 R)
• M14: 8,711,832 km (0.073 R)
• M15: 9,296,909 km (0.074 R)
• M16: 10,588,986 km (0.099 R)
• M17: 13,525,742 km (0.081 R)
• M18: 14,470,901 km (0.097 R)
• M19: 17,509,384 km (0.077 R)
• M20: 18,887,030 km (0.113 R)
• M21: 19,602,258 km (0.051 R)
• M22: 23,082,951 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 11.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.92 AU - 4.74 AU

Year: 5818 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,946,058 km

• M1: 145,559 km (0.056 R)
• M2: 571,464 km (0.111 R)
• M3: 988,992 km (0.102 R)
• M4: 1,495,680 km (0.109 R)
• M5: 2,543,762 km (0.061 R)
• M6: 2,957,400 km (0.1 R)
• M7: 4,271,767 km (0.091 R)
• M8: 4,909,653 km (0.092 R)
• M9: 5,529,287 km (0.102 R)
• M10: 6,346,839 km (0.088 R)
• M11: 6,925,035 km (0.071 R)
• M12: 7,340,618 km (0.092 R)
• M13: 7,943,647 km (0.112 R)
• M14: 8,652,142 km (0.057 R)
• M15: 9,674,943 km (0.12 R)
• M16: 13,228,192 km (0.11 R)
• M17: 17,104,123 km (0.071 R)
• M18: 18,164,921 km (0.072 R)
• M19: 18,772,887 km (0.106 R)
• M20: 23,202,929 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 16,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit