🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.4

Radius: 9.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.64 AU - 0.8 AU

Year: 388 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,713,408 km

• M1: 121,922 km (0.085 R)
• M2: 453,880 km (0.049 R)
• M3: 1,292,825 km (0.041 R)
• M4: 1,702,573 km (0.092 R)
• M5: 2,181,586 km (0.064 R)
• M6: 2,807,653 km (0.048 R)
• M7: 3,255,549 km (0.112 R)
• M8: 3,678,612 km (0.091 R)
• M9: 4,635,888 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 11.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.91 AU - 0.99 AU

Year: 589 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,713,408 km

• M1: 145,559 km (0.111 R)
• M2: 709,244 km (0.08 R)
• M3: 1,079,498 km (0.032 R)
• M4: 1,495,979 km (0.118 R)
• M5: 2,139,998 km (0.117 R)
• M6: 2,655,661 km (0.041 R)
• M7: 3,178,805 km (0.098 R)
• M8: 4,070,109 km (0.09 R)
• M9: 4,950,942 km (0.059 R)
• M10: 5,747,401 km (0.088 R)
• M11: 7,046,359 km (0.106 R)
• M12: 7,594,934 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 12.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.4 AU - 1.54 AU

Year: 1133 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,713,408 km

• M1: 157,227 km (0.12 R)
• M2: 589,864 km (0.089 R)
• M3: 995,723 km (0.071 R)
• M4: 1,396,945 km (0.089 R)
• M5: 2,680,345 km (0.106 R)
• M6: 3,881,317 km (0.057 R)
• M7: 4,279,097 km (0.092 R)
• M8: 4,806,131 km (0.081 R)
• M9: 5,284,246 km (0.066 R)
• M10: 6,031,188 km (0.054 R)
• M11: 6,825,552 km (0.029 R)
• M12: 7,783,428 km (0.11 R)
• M13: 8,648,403 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 10.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.67 AU - 1.69 AU

Year: 1385 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,713,408 km

• M1: 128,654 km (0.108 R)
• M2: 458,966 km (0.074 R)
• M3: 900,130 km (0.034 R)
• M4: 1,400,386 km (0.087 R)
• M5: 1,728,753 km (0.093 R)
• M6: 2,268,951 km (0.072 R)
• M7: 3,354,283 km (0.041 R)
• M8: 3,803,825 km (0.116 R)
• M9: 4,198,464 km (0.117 R)
• M10: 4,553,610 km (0.059 R)
• M11: 5,034,716 km (0.112 R)
• M12: 5,436,387 km (0.091 R)
• M13: 6,099,105 km (0.076 R)
• M14: 6,534,884 km (0.034 R)
• M15: 7,080,617 km (0.112 R)
• M16: 7,703,842 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 11.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.56 AU - 1.84 AU

Year: 1409 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,713,408 km

• M1: 146,756 km (0.063 R)
• M2: 544,985 km (0.094 R)
• M3: 981,811 km (0.069 R)
• M4: 1,474,137 km (0.103 R)
• M5: 2,808,850 km (0.058 R)
• M6: 3,243,880 km (0.092 R)
• M7: 4,058,590 km (0.117 R)
• M8: 4,450,088 km (0.072 R)
• M9: 5,435,190 km (0.104 R)
• M10: 6,024,605 km (0.087 R)
• M11: 6,926,232 km (0.065 R)
• M12: 9,146,264 km (0.067 R)
• M13: 10,077,511 km (0.056 R)
• M14: 10,632,818 km (0.031 R)
• M15: 11,277,286 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 10.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.05 AU - 5.65 AU

Year: 7868 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,713,408 km

• M1: 129,552 km (0.032 R)
• M2: 938,876 km (0.117 R)
• M3: 1,425,817 km (0.074 R)
• M4: 1,894,358 km (0.116 R)
• M5: 2,463,727 km (0.119 R)
• M6: 3,245,825 km (0.088 R)
• M7: 4,808,375 km (0.078 R)
• M8: 6,821,065 km (0.072 R)
• M9: 7,530,308 km (0.101 R)
• M10: 8,518,252 km (0.041 R)
• M11: 8,923,214 km (0.041 R)
• M12: 10,066,142 km (0.088 R)
• M13: 13,664,270 km (0.111 R)
• M14: 14,173,052 km (0.097 R)
• M15: 15,825,809 km (0.045 R)
• M16: 18,765,706 km (0.105 R)
• M17: 19,221,681 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.4

Radius: 3.9

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.86 AU - 14.15 AU

Year: 24796 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,713,408 km

• M1: 52,658 km (0.092 R)
• M2: 205,248 km (0.113 R)
• M3: 341,682 km (0.114 R)
• M4: 719,117 km (0.065 R)
• M5: 2,077,765 km (0.118 R)
• M6: 2,231,851 km (0.069 R)
• M7: 3,453,317 km (0.108 R)
• M8: 4,343,873 km (0.1 R)
• M9: 6,523,963 km (0.1 R)
• M10: 6,897,509 km (0.113 R)
• M11: 9,975,186 km (0.119 R)
• M12: 17,833,263 km (0.116 R)
• M13: 19,563,811 km (0.09 R)
• M14: 19,905,792 km (0.088 R)
• M15: 26,239,915 km (0.07 R)
• M16: 36,432,168 km (0.097 R)
• M17: 37,866,512 km (0.096 R)
• M18: 37,998,757 km (0.079 R)
• M19: 53,498,742 km (0.108 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: 452 - 17,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit