🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 8.9

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.93 AU - 1.05 AU

Year: 636 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,420,682 km

• M1: 110,852 km (0.053 R)
• M2: 403,017 km (0.095 R)
• M3: 1,132,755 km (0.063 R)
• M4: 1,412,054 km (0.084 R)
• M5: 1,713,494 km (0.092 R)
• M6: 2,076,867 km (0.094 R)
• M7: 2,459,838 km (0.044 R)
• M8: 3,486,977 km (0.063 R)
• M9: 3,958,060 km (0.091 R)
• M10: 4,518,454 km (0.105 R)
• M11: 5,741,117 km (0.095 R)
• M12: 6,459,486 km (0.082 R)
• M13: 6,935,507 km (0.12 R)
• M14: 7,412,425 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 14.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.9 AU - 1.22 AU

Year: 705 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,420,682 km

• M1: 177,273 km (0.044 R)
• M2: 630,106 km (0.096 R)
• M3: 1,079,498 km (0.08 R)
• M4: 1,542,055 km (0.06 R)
• M5: 2,633,521 km (0.102 R)
• M6: 3,179,254 km (0.113 R)
• M7: 3,936,818 km (0.075 R)
• M8: 4,381,422 km (0.046 R)
• M9: 4,924,014 km (0.1 R)
• M10: 5,669,759 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 11.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1 AU - 1.28 AU

Year: 786 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,420,682 km

• M1: 139,575 km (0.114 R)
• M2: 519,404 km (0.055 R)
• M3: 896,091 km (0.1 R)
• M4: 1,356,703 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 14.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.4 AU - 2.02 AU

Year: 1444 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,420,682 km

• M1: 185,352 km (0.084 R)
• M2: 739,013 km (0.094 R)
• M3: 1,298,061 km (0.051 R)
• M4: 2,515,787 km (0.03 R)
• M5: 3,104,904 km (0.103 R)
• M6: 4,564,680 km (0.053 R)
• M7: 5,715,985 km (0.066 R)
• M8: 6,919,650 km (0.114 R)
• M9: 7,652,829 km (0.044 R)
• M10: 8,336,491 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.7

Radius: 9.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.33 AU - 2.13 AU

Year: 1469 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,420,682 km

• M1: 120,576 km (0.057 R)
• M2: 1,041,201 km (0.095 R)
• M3: 1,409,960 km (0.09 R)
• M4: 2,083,749 km (0.06 R)
• M5: 2,788,804 km (0.09 R)
• M6: 3,258,541 km (0.116 R)
• M7: 4,569,018 km (0.118 R)
• M8: 5,987,206 km (0.111 R)
• M9: 6,695,253 km (0.089 R)
• M10: 7,540,331 km (0.112 R)
• M11: 9,001,005 km (0.074 R)
• M12: 9,473,734 km (0.12 R)
• M13: 9,830,974 km (0.079 R)
• M14: 10,851,231 km (0.082 R)
• M15: 12,395,829 km (0.075 R)
• M16: 14,082,246 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 11.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.88 AU - 2.24 AU

Year: 1909 Days

Day: 11.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,420,682 km

• M1: 140,472 km (0.111 R)
• M2: 517,459 km (0.117 R)
• M3: 955,182 km (0.091 R)
• M4: 1,394,701 km (0.046 R)
• M5: 1,768,845 km (0.12 R)
• M6: 2,123,991 km (0.036 R)
• M7: 2,541,369 km (0.107 R)
• M8: 3,439,554 km (0.085 R)
• M9: 3,794,550 km (0.111 R)
• M10: 4,642,471 km (0.081 R)
• M11: 5,077,801 km (0.091 R)
• M12: 8,165,351 km (0.106 R)
• M13: 8,575,548 km (0.111 R)
• M14: 9,233,330 km (0.069 R)
• M15: 9,818,707 km (0.075 R)
• M16: 10,465,269 km (0.068 R)
• M17: 11,025,662 km (0.085 R)
• M18: 11,764,077 km (0.108 R)
• M19: 13,081,885 km (0.087 R)
• M20: 13,820,749 km (0.073 R)
• M21: 15,334,380 km (0.096 R)
• M22: 16,452,774 km (0.087 R)
• M23: 17,262,397 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.8

Radius: 12.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.82 AU - 2.9 AU

Year: 3123 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,420,682 km

• M1: 160,967 km (0.077 R)
• M2: 643,869 km (0.105 R)
• M3: 1,542,803 km (0.096 R)
• M4: 2,860,311 km (0.1 R)
• M5: 3,965,840 km (0.09 R)
• M6: 4,896,937 km (0.095 R)
• M7: 5,363,682 km (0.114 R)
• M8: 7,221,688 km (0.045 R)
• M9: 8,229,080 km (0.067 R)
• M10: 9,476,576 km (0.04 R)
• M11: 11,011,002 km (0.114 R)
• M12: 11,686,436 km (0.04 R)
• M13: 12,433,977 km (0.058 R)
• M14: 15,537,983 km (0.073 R)
• M15: 16,935,077 km (0.102 R)
• M16: 17,381,477 km (0.114 R)
• M17: 20,413,976 km (0.083 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 13,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit