🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.9

Radius: 10.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.63 AU - 1.01 AU

Year: 479 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,217,017 km

• M1: 135,536 km (0.091 R)
• M2: 833,410 km (0.065 R)
• M3: 1,357,152 km (0.084 R)
• M4: 1,799,812 km (0.056 R)
• M5: 2,634,419 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 12.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.82 AU - 1.22 AU

Year: 665 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,217,017 km

• M1: 157,975 km (0.073 R)
• M2: 632,649 km (0.086 R)
• M3: 1,229,395 km (0.107 R)
• M4: 1,753,437 km (0.04 R)
• M5: 2,634,269 km (0.038 R)
• M6: 3,814,447 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 13.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.01 AU - 1.11 AU

Year: 705 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,217,017 km

• M1: 163,810 km (0.114 R)
• M2: 748,289 km (0.102 R)
• M3: 1,395,898 km (0.101 R)
• M4: 1,818,661 km (0.028 R)
• M5: 2,267,305 km (0.087 R)
• M6: 2,969,817 km (0.107 R)
• M7: 3,799,188 km (0.071 R)
• M8: 5,162,922 km (0.066 R)
• M9: 5,683,672 km (0.093 R)
• M10: 6,157,748 km (0.071 R)
• M11: 7,006,865 km (0.106 R)
• M12: 7,506,372 km (0.099 R)
• M13: 8,250,472 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 13.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.4 AU - 2.68 AU

Year: 2614 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,217,017 km

• M1: 173,384 km (0.115 R)
• M2: 1,163,423 km (0.092 R)
• M3: 1,886,728 km (0.114 R)
• M4: 2,405,085 km (0.067 R)
• M5: 3,003,327 km (0.119 R)
• M6: 4,183,504 km (0.117 R)
• M7: 4,688,547 km (0.116 R)
• M8: 5,279,608 km (0.079 R)
• M9: 5,920,336 km (0.11 R)
• M10: 6,559,268 km (0.073 R)
• M11: 7,187,430 km (0.096 R)
• M12: 7,706,834 km (0.089 R)
• M13: 8,660,370 km (0.074 R)
• M14: 10,005,255 km (0.104 R)
• M15: 15,436,855 km (0.118 R)
• M16: 16,750,025 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 14.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.7 AU - 2.92 AU

Year: 3041 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,217,017 km

• M1: 181,612 km (0.114 R)
• M2: 639,082 km (0.102 R)
• M3: 1,646,474 km (0.028 R)
• M4: 2,826,801 km (0.066 R)
• M5: 3,680,407 km (0.104 R)
• M6: 4,653,391 km (0.111 R)
• M7: 6,296,574 km (0.081 R)
• M8: 6,953,309 km (0.118 R)
• M9: 7,427,085 km (0.092 R)
• M10: 8,058,239 km (0.117 R)
• M11: 8,761,050 km (0.107 R)
• M12: 9,352,560 km (0.1 R)
• M13: 10,698,492 km (0.068 R)
• M14: 11,203,235 km (0.115 R)
• M15: 12,581,331 km (0.076 R)
• M16: 13,335,453 km (0.119 R)
• M17: 14,069,680 km (0.072 R)
• M18: 14,625,137 km (0.079 R)
• M19: 15,888,042 km (0.087 R)
• M20: 20,496,853 km (0.1 R)
• M21: 21,741,657 km (0.107 R)
• M22: 22,416,643 km (0.069 R)
• M23: 23,596,521 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95

Radius: 10.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.06 AU - 4.4 AU

Year: 5617 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,217,017 km

• M1: 129,851 km (0.113 R)
• M2: 648,208 km (0.089 R)
• M3: 1,586,635 km (0.07 R)
• M4: 2,224,520 km (0.045 R)
• M5: 2,948,574 km (0.062 R)
• M6: 3,382,857 km (0.08 R)
• M7: 5,446,410 km (0.079 R)
• M8: 5,829,530 km (0.075 R)
• M9: 6,703,780 km (0.1 R)
• M10: 10,242,667 km (0.036 R)
• M11: 10,790,794 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.2

Radius: 4.9

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.32 AU - 8.42 AU

Year: 12919 Days

Day: 17.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,217,017 km

• M1: 64,477 km (0.092 R)
• M2: 349,610 km (0.105 R)
• M3: 3,670,533 km (0.083 R)
• M4: 4,165,702 km (0.083 R)
• M5: 6,597,565 km (0.117 R)
• M6: 7,568,904 km (0.086 R)
• M7: 8,631,797 km (0.086 R)
• M8: 15,206,474 km (0.055 R)
• M9: 16,542,084 km (0.075 R)
• M10: 18,988,907 km (0.109 R)
• M11: 20,694,621 km (0.095 R)
• M12: 24,585,812 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit