🌌 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: 984.1

Radius: 9.8

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.63 AU - 0.69 AU

Year: 358 Days

Day: 8.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,582,782 km

• M1: 121,922 km (0.115 R)
• M2: 439,818 km (0.077 R)
• M3: 806,482 km (0.049 R)
• M4: 1,186,461 km (0.032 R)
• M5: 1,559,259 km (0.114 R)
• M6: 1,866,233 km (0.063 R)
• M7: 2,258,479 km (0.115 R)
• M8: 2,615,420 km (0.114 R)
• M9: 3,210,819 km (0.079 R)
• M10: 3,639,567 km (0.107 R)
• M11: 3,986,035 km (0.089 R)
• M12: 4,612,551 km (0.106 R)
• M13: 5,207,502 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 8.7

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.87 AU - 0.89 AU

Year: 550 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,582,782 km

• M1: 108,159 km (0.112 R)
• M2: 418,425 km (0.06 R)
• M3: 693,237 km (0.047 R)
• M4: 1,055,114 km (0.112 R)
• M5: 1,737,878 km (0.115 R)
• M6: 2,688,573 km (0.055 R)
• M7: 3,146,492 km (0.043 R)
• M8: 3,922,755 km (0.077 R)
• M9: 4,706,050 km (0.12 R)
• M10: 5,195,983 km (0.044 R)
• M11: 5,626,675 km (0.091 R)
• M12: 5,984,364 km (0.067 R)
• M13: 6,498,532 km (0.108 R)
• M14: 6,871,479 km (0.11 R)
• M15: 7,368,892 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 9.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.03 AU - 1.31 AU

Year: 844 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,582,782 km

• M1: 119,678 km (0.12 R)
• M2: 438,172 km (0.054 R)
• M3: 785,987 km (0.119 R)
• M4: 1,408,015 km (0.082 R)
• M5: 3,688,336 km (0.051 R)
• M6: 4,016,703 km (0.063 R)
• M7: 4,500,203 km (0.107 R)
• M8: 4,827,673 km (0.104 R)
• M9: 5,171,150 km (0.102 R)
• M10: 6,073,823 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 8.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.1 AU - 1.8 AU

Year: 1164 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,582,782 km

• M1: 106,663 km (0.112 R)
• M2: 426,653 km (0.115 R)
• M3: 700,268 km (0.119 R)
• M4: 997,967 km (0.071 R)
• M5: 1,292,675 km (0.055 R)
• M6: 1,884,036 km (0.109 R)
• M7: 2,881,853 km (0.069 R)
• M8: 3,514,353 km (0.1 R)
• M9: 4,105,265 km (0.104 R)
• M10: 4,618,685 km (0.119 R)
• M11: 4,891,102 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 8.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.35 AU - 1.69 AU

Year: 1250 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,582,782 km

• M1: 113,694 km (0.061 R)
• M2: 394,041 km (0.091 R)
• M3: 1,102,836 km (0.119 R)
• M4: 2,284,659 km (0.096 R)
• M5: 2,562,612 km (0.072 R)
• M6: 3,252,707 km (0.091 R)
• M7: 3,550,257 km (0.107 R)
• M8: 5,432,048 km (0.087 R)
• M9: 7,451,021 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 9.1

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.74 AU - 2.6 AU

Year: 2132 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,582,782 km

• M1: 113,246 km (0.069 R)
• M2: 615,146 km (0.091 R)
• M3: 1,184,666 km (0.11 R)
• M4: 1,615,657 km (0.101 R)
• M5: 2,002,517 km (0.115 R)
• M6: 2,780,725 km (0.045 R)
• M7: 3,189,576 km (0.087 R)
• M8: 3,878,175 km (0.063 R)
• M9: 4,187,992 km (0.059 R)
• M10: 4,705,302 km (0.106 R)
• M11: 6,070,382 km (0.12 R)
• M12: 6,356,563 km (0.1 R)
• M13: 6,733,699 km (0.089 R)
• M14: 7,473,910 km (0.119 R)
• M15: 8,267,377 km (0.102 R)
• M16: 9,842,792 km (0.118 R)
• M17: 10,422,035 km (0.106 R)
• M18: 11,648,737 km (0.111 R)
• M19: 13,532,773 km (0.113 R)
• M20: 15,275,139 km (0.094 R)
• M21: 16,200,253 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.8

Radius: 7.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.15 AU - 6.35 AU

Year: 9195 Days

Day: 24.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,582,782 km

• M1: 156,779 km (0.115 R)
• M2: 507,436 km (0.057 R)
• M3: 873,801 km (0.089 R)
• M4: 1,544,448 km (0.066 R)
• M5: 2,701,887 km (0.068 R)
• M6: 3,111,486 km (0.074 R)
• M7: 3,728,577 km (0.116 R)
• M8: 3,988,429 km (0.113 R)
• M9: 7,365,002 km (0.098 R)
• M10: 9,177,530 km (0.108 R)
• M11: 14,384,284 km (0.112 R)
• M12: 18,903,636 km (0.077 R)
• M13: 19,286,157 km (0.105 R)
• M14: 20,464,690 km (0.117 R)
• M15: 20,935,773 km (0.091 R)
• M16: 23,109,131 km (0.042 R)
• M17: 25,894,943 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.1

Radius: 7

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.14 AU - 7.94 AU

Year: 11153 Days

Day: 15.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,582,782 km

• M1: 87,066 km (0.117 R)
• M2: 480,658 km (0.111 R)
• M3: 750,981 km (0.058 R)
• M4: 990,188 km (0.05 R)
• M5: 1,415,345 km (0.058 R)
• M6: 1,786,947 km (0.063 R)
• M7: 3,633,433 km (0.117 R)
• M8: 4,037,497 km (0.074 R)
• M9: 4,471,032 km (0.064 R)
• M10: 7,956,961 km (0.11 R)
• M11: 9,038,554 km (0.098 R)
• M12: 11,174,961 km (0.119 R)
• M13: 11,596,528 km (0.111 R)
• M14: 12,415,875 km (0.027 R)
• M15: 15,425,635 km (0.06 R)
• M16: 15,948,479 km (0.07 R)
• M17: 16,483,142 km (0.07 R)
• M18: 17,943,367 km (0.07 R)
• M19: 18,375,854 km (0.064 R)
• M20: 20,801,285 km (0.119 R)
• M21: 23,176,600 km (0.101 R)
• M22: 25,454,826 km (0.098 R)
• M23: 33,502,742 km (0.083 R)
• M24: 36,063,559 km (0.094 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: 520 - 11,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit