🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.8

Radius: 14.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.73 AU - 0.97 AU

Year: 506 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,448,069 km

• M1: 184,604 km (0.101 R)
• M2: 692,339 km (0.071 R)
• M3: 1,476,681 km (0.096 R)
• M4: 2,155,257 km (0.07 R)
• M5: 2,666,732 km (0.103 R)
• M6: 3,443,444 km (0.09 R)
• M7: 4,456,221 km (0.065 R)
• M8: 5,197,479 km (0.117 R)
• M9: 5,784,052 km (0.102 R)
• M10: 6,395,459 km (0.109 R)
• M11: 6,907,382 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 8.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.71 AU - 1.19 AU

Year: 598 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,448,069 km

• M1: 108,159 km (0.113 R)
• M2: 405,709 km (0.089 R)
• M3: 889,808 km (0.1 R)
• M4: 1,342,342 km (0.118 R)
• M5: 1,715,140 km (0.078 R)
• M6: 2,225,119 km (0.113 R)
• M7: 2,771,749 km (0.083 R)
• M8: 3,908,544 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 8.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.14 AU - 1.22 AU

Year: 828 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,448,069 km

• M1: 105,766 km (0.105 R)
• M2: 470,635 km (0.118 R)
• M3: 1,022,950 km (0.051 R)
• M4: 1,343,538 km (0.084 R)
• M5: 1,627,625 km (0.102 R)
• M6: 2,027,350 km (0.035 R)
• M7: 2,423,635 km (0.068 R)
• M8: 2,882,003 km (0.118 R)
• M9: 3,594,538 km (0.095 R)
• M10: 3,945,345 km (0.115 R)
• M11: 4,931,195 km (0.055 R)
• M12: 6,145,181 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 8.6

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.74 AU - 2.54 AU

Year: 2021 Days

Day: 11 Hours

Environment

Temp: -190 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,448,069 km

• M1: 108,458 km (0.076 R)
• M2: 582,085 km (0.104 R)
• M3: 946,655 km (0.092 R)
• M4: 1,336,956 km (0.049 R)
• M5: 1,614,759 km (0.05 R)
• M6: 1,942,828 km (0.075 R)
• M7: 2,353,922 km (0.041 R)
• M8: 2,793,142 km (0.064 R)
• M9: 3,141,705 km (0.042 R)
• M10: 3,675,171 km (0.051 R)
• M11: 4,752,724 km (0.027 R)
• M12: 5,296,662 km (0.114 R)
• M13: 5,619,046 km (0.036 R)
• M14: 6,077,563 km (0.032 R)
• M15: 6,431,063 km (0.116 R)
• M16: 7,291,101 km (0.076 R)
• M17: 7,575,038 km (0.104 R)
• M18: 8,440,611 km (0.068 R)
• M19: 9,774,575 km (0.098 R)
• M20: 10,155,302 km (0.067 R)
• M21: 10,836,122 km (0.099 R)
• M22: 11,281,624 km (0.097 R)
• M23: 11,700,498 km (0.093 R)
• M24: 12,169,488 km (0.084 R)
• M25: 13,186,604 km (0.109 R)
• M26: 14,171,406 km (0.055 R)
• M27: 14,480,775 km (0.068 R)
• M28: 15,158,603 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.8

Radius: 13

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.19 AU - 2.71 AU

Year: 2476 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,448,069 km

• M1: 161,715 km (0.083 R)
• M2: 1,568,534 km (0.073 R)
• M3: 3,298,932 km (0.07 R)
• M4: 3,915,575 km (0.102 R)
• M5: 4,507,384 km (0.076 R)
• M6: 6,040,762 km (0.081 R)
• M7: 7,048,902 km (0.034 R)
• M8: 10,250,446 km (0.098 R)
• M9: 11,042,716 km (0.104 R)
• M10: 12,188,636 km (0.114 R)
• M11: 13,538,906 km (0.097 R)
• M12: 14,010,439 km (0.114 R)
• M13: 15,491,458 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.4

Radius: 6.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.81 AU - 7.31 AU

Year: 9632 Days

Day: 23.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,448,069 km

• M1: 83,775 km (0.087 R)
• M2: 591,360 km (0.109 R)
• M3: 1,244,056 km (0.075 R)
• M4: 1,533,977 km (0.071 R)
• M5: 1,770,192 km (0.112 R)
• M6: 2,154,658 km (0.109 R)
• M7: 4,000,696 km (0.082 R)
• M8: 4,690,492 km (0.087 R)
• M9: 5,163,969 km (0.056 R)
• M10: 6,173,306 km (0.058 R)
• M11: 6,707,370 km (0.034 R)
• M12: 7,127,890 km (0.096 R)
• M13: 7,829,354 km (0.081 R)
• M14: 8,698,069 km (0.094 R)
• M15: 9,939,133 km (0.051 R)
• M16: 18,152,355 km (0.102 R)
• M17: 18,421,631 km (0.105 R)
• M18: 21,865,225 km (0.113 R)
• M19: 22,093,810 km (0.087 R)
• M20: 28,337,577 km (0.076 R)
• M21: 32,202,587 km (0.111 R)
• M22: 34,107,267 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.8

Radius: 3.3

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.38 AU - 11.58 AU

Year: 20357 Days

Day: 21.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,448,069 km

• M1: 370,255 km (0.116 R)
• M2: 1,012,478 km (0.104 R)
• M3: 2,634,718 km (0.078 R)
• M4: 5,633,407 km (0.098 R)
• M5: 5,901,187 km (0.116 R)
• M6: 6,354,469 km (0.067 R)
• M7: 6,462,329 km (0.049 R)
• M8: 9,525,345 km (0.093 R)
• M9: 11,157,757 km (0.092 R)
• M10: 14,900,546 km (0.116 R)
• M11: 19,476,745 km (0.093 R)
• M12: 26,546,591 km (0.103 R)
• M13: 34,593,460 km (0.099 R)
• M14: 38,625,273 km (0.101 R)
• M15: 41,815,148 km (0.081 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit