🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.3

Radius: 14.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.51 AU - 0.81 AU

Year: 358 Days

Day: 12.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,985,317 km

• M1: 180,415 km (0.095 R)
• M2: 641,326 km (0.081 R)
• M3: 1,240,765 km (0.092 R)
• M4: 2,054,428 km (0.109 R)
• M5: 2,597,468 km (0.086 R)
• M6: 3,400,808 km (0.119 R)
• M7: 3,855,736 km (0.116 R)
• M8: 4,861,781 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.2

Radius: 11.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.7 AU - 0.74 AU

Year: 407 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,985,317 km

• M1: 143,315 km (0.077 R)
• M2: 499,208 km (0.092 R)
• M3: 923,767 km (0.078 R)
• M4: 1,371,364 km (0.09 R)
• M5: 2,354,820 km (0.04 R)
• M6: 3,146,043 km (0.076 R)
• M7: 3,639,118 km (0.103 R)
• M8: 3,992,019 km (0.054 R)
• M9: 4,408,051 km (0.07 R)
• M10: 4,838,594 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654

Radius: 9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.72 AU - 0.76 AU

Year: 424 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,985,317 km

• M1: 111,899 km (0.057 R)
• M2: 438,322 km (0.057 R)
• M3: 1,182,571 km (0.1 R)
• M4: 2,196,396 km (0.104 R)
• M5: 2,633,222 km (0.114 R)
• M6: 3,858,877 km (0.098 R)
• M7: 4,300,041 km (0.041 R)
• M8: 4,612,551 km (0.046 R)
• M9: 4,955,579 km (0.118 R)
• M10: 5,543,200 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 12

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.66 AU - 1.76 AU

Year: 1491 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,985,317 km

• M1: 150,196 km (0.119 R)
• M2: 800,349 km (0.07 R)
• M3: 1,199,476 km (0.107 R)
• M4: 1,806,693 km (0.068 R)
• M5: 2,665,984 km (0.069 R)
• M6: 3,082,165 km (0.071 R)
• M7: 3,459,600 km (0.052 R)
• M8: 3,867,853 km (0.11 R)
• M9: 4,308,568 km (0.084 R)
• M10: 4,782,794 km (0.083 R)
• M11: 5,673,798 km (0.052 R)
• M12: 6,171,511 km (0.104 R)
• M13: 6,801,766 km (0.119 R)
• M14: 7,614,382 km (0.068 R)
• M15: 8,310,162 km (0.107 R)
• M16: 8,704,502 km (0.081 R)
• M17: 9,997,177 km (0.118 R)
• M18: 10,760,575 km (0.072 R)
• M19: 12,879,629 km (0.109 R)
• M20: 13,491,634 km (0.115 R)
• M21: 13,868,022 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 9.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.55 AU - 3.69 AU

Year: 3675 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,985,317 km

• M1: 115,190 km (0.026 R)
• M2: 1,297,612 km (0.087 R)
• M3: 1,630,318 km (0.094 R)
• M4: 2,082,402 km (0.093 R)
• M5: 3,291,303 km (0.115 R)
• M6: 4,240,800 km (0.105 R)
• M7: 5,559,206 km (0.041 R)
• M8: 8,279,195 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 9.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.6 AU - 4.02 AU

Year: 4016 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 93,985,317 km

• M1: 189,541 km (0.095 R)
• M2: 589,715 km (0.071 R)
• M3: 889,958 km (0.109 R)
• M4: 4,773,369 km (0.037 R)
• M5: 5,447,606 km (0.115 R)
• M6: 6,798,625 km (0.048 R)
• M7: 9,772,331 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.3

Radius: 5.7

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.44 AU - 11.7 AU

Year: 22916 Days

Day: 17.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 93,985,317 km

• M1: 74,201 km (0.105 R)
• M2: 345,571 km (0.101 R)
• M3: 725,250 km (0.086 R)
• M4: 1,057,358 km (0.114 R)
• M5: 1,385,426 km (0.117 R)
• M6: 1,919,341 km (0.065 R)
• M7: 2,895,916 km (0.026 R)
• M8: 3,827,611 km (0.089 R)
• M9: 4,600,284 km (0.066 R)
• M10: 4,827,972 km (0.112 R)
• M11: 5,224,107 km (0.104 R)
• M12: 5,641,784 km (0.057 R)
• M13: 8,016,501 km (0.083 R)
• M14: 8,515,260 km (0.102 R)
• M15: 9,513,527 km (0.099 R)
• M16: 10,851,381 km (0.053 R)
• M17: 11,530,705 km (0.115 R)
• M18: 13,660,530 km (0.069 R)
• M19: 14,371,568 km (0.095 R)
• M20: 15,441,642 km (0.062 R)
• M21: 17,099,635 km (0.097 R)
• M22: 20,457,958 km (0.091 R)
• M23: 22,453,294 km (0.09 R)
• M24: 27,440,737 km (0.117 R)
• M25: 28,064,710 km (0.057 R)
• M26: 36,305,758 km (0.04 R)
• M27: 41,134,478 km (0.073 R)
• M28: 41,623,364 km (0.092 R)
• M29: 44,981,836 km (0.072 R)
• M30: 56,533,335 km (0.099 R)
• M31: 58,564,126 km (0.117 R)
• M32: 58,769,823 km (0.075 R)
• M33: 67,625,717 km (0.107 R)
• M34: 73,439,689 km (0.106 R)
• M35: 92,583,579 km (0.227 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 12,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit