🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 11.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.57 AU - 0.61 AU

Year: 313 Days

Day: 9.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,364,584 km

• M1: 143,016 km (0.074 R)
• M2: 962,064 km (0.075 R)
• M3: 1,343,987 km (0.11 R)
• M4: 1,971,550 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 9.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,364,584 km

• M1: 112,797 km (0.056 R)
• M2: 434,133 km (0.119 R)
• M3: 733,778 km (0.089 R)
• M4: 1,231,190 km (0.073 R)
• M5: 1,531,134 km (0.08 R)
• M6: 2,039,019 km (0.114 R)
• M7: 2,464,176 km (0.108 R)
• M8: 3,251,510 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 11.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.87 AU - 0.91 AU

Year: 580 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,364,584 km

• M1: 147,952 km (0.103 R)
• M2: 526,285 km (0.092 R)
• M3: 1,198,877 km (0.071 R)
• M4: 1,579,155 km (0.12 R)
• M5: 2,119,951 km (0.105 R)
• M6: 2,879,759 km (0.07 R)
• M7: 4,475,968 km (0.103 R)
• M8: 4,922,219 km (0.059 R)
• M9: 5,995,284 km (0.071 R)
• M10: 6,636,162 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 9.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.91 AU - 1.09 AU

Year: 690 Days

Day: 14.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,364,584 km

• M1: 123,119 km (0.095 R)
• M2: 631,901 km (0.114 R)
• M3: 1,348,475 km (0.09 R)
• M4: 1,709,754 km (0.07 R)
• M5: 2,082,253 km (0.097 R)
• M6: 2,559,769 km (0.103 R)
• M7: 3,437,609 km (0.093 R)
• M8: 3,856,932 km (0.12 R)
• M9: 4,193,528 km (0.118 R)
• M10: 5,653,453 km (0.106 R)
• M11: 6,164,180 km (0.077 R)
• M12: 6,645,885 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 14.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.76 AU - 5.42 AU

Year: 7927 Days

Day: 5.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,364,584 km

• M1: 185,352 km (0.078 R)
• M2: 1,163,273 km (0.091 R)
• M3: 1,783,655 km (0.113 R)
• M4: 2,381,748 km (0.087 R)
• M5: 4,017,002 km (0.12 R)
• M6: 5,727,654 km (0.114 R)
• M7: 6,275,930 km (0.071 R)
• M8: 8,873,996 km (0.098 R)
• M9: 9,657,889 km (0.101 R)
• M10: 10,588,088 km (0.094 R)
• M11: 11,417,160 km (0.085 R)
• M12: 12,914,186 km (0.04 R)
• M13: 14,351,672 km (0.103 R)
• M14: 17,050,717 km (0.062 R)
• M15: 18,853,670 km (0.11 R)
• M16: 19,380,554 km (0.112 R)
• M17: 22,836,115 km (0.104 R)
• M18: 27,252,543 km (0.117 R)
• M19: 29,711,633 km (0.08 R)
• M20: 36,559,625 km (0.114 R)
• M21: 43,210,298 km (0.093 R)
• M22: 43,995,687 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 8.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.97 AU - 6.27 AU

Year: 7997 Days

Day: 6.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,364,584 km

• M1: 108,309 km (0.088 R)
• M2: 475,422 km (0.085 R)
• M3: 759,658 km (0.032 R)
• M4: 1,689,409 km (0.101 R)
• M5: 2,333,128 km (0.074 R)
• M6: 3,823,273 km (0.117 R)
• M7: 4,812,264 km (0.075 R)
• M8: 5,258,515 km (0.119 R)
• M9: 5,797,516 km (0.111 R)
• M10: 7,402,701 km (0.086 R)
• M11: 7,756,201 km (0.043 R)
• M12: 8,120,920 km (0.078 R)
• M13: 8,928,749 km (0.117 R)
• M14: 9,977,131 km (0.064 R)
• M15: 10,753,245 km (0.065 R)
• M16: 13,497,169 km (0.093 R)
• M17: 14,813,181 km (0.108 R)
• M18: 15,186,428 km (0.053 R)
• M19: 17,559,648 km (0.116 R)
• M20: 18,118,845 km (0.102 R)
• M21: 18,689,860 km (0.116 R)
• M22: 19,052,785 km (0.035 R)
• M23: 24,208,825 km (0.08 R)
• M24: 31,434,402 km (0.064 R)
• M25: 31,741,975 km (0.1 R)
• M26: 37,971,979 km (0.047 R)
• M27: 39,498,775 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 3

Gravity: 72.46 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.48 AU - 8.24 AU

Year: 15211 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,364,584 km

• M1: 42,935 km (0.068 R)
• M2: 171,140 km (0.08 R)
• M3: 1,771,089 km (0.118 R)
• M4: 1,930,261 km (0.058 R)
• M5: 2,079,710 km (0.098 R)
• M6: 3,043,269 km (0.107 R)
• M7: 3,194,363 km (0.092 R)
• M8: 5,346,628 km (0.066 R)
• M9: 5,455,984 km (0.105 R)
• M10: 6,064,548 km (0.102 R)
• M11: 6,183,478 km (0.041 R)
• M12: 7,103,954 km (0.07 R)
• M13: 8,550,715 km (0.095 R)
• M14: 11,398,610 km (0.1 R)
• M15: 11,948,232 km (0.062 R)
• M16: 12,324,321 km (0.059 R)
• M17: 15,327,050 km (0.089 R)
• M18: 19,205,823 km (0.064 R)
• M19: 22,250,738 km (0.119 R)
• M20: 22,819,510 km (0.094 R)
• M21: 27,831,786 km (0.076 R)
• M22: 29,274,807 km (0.114 R)
• M23: 31,354,218 km (0.113 R)
• M24: 31,472,550 km (0.089 R)
• M25: 32,068,697 km (0.109 R)
• M26: 33,653,687 km (0.04 R)
• M27: 34,151,698 km (0.075 R)
• M28: 34,781,206 km (0.091 R)
• M29: 39,130,315 km (0.085 R)
• M30: 52,136,504 km (0.103 R)
• M31: 61,064,804 km (0.059 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 16,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit