🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 11

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.58 AU - 0.62 AU

Year: 315 Days

Day: 12.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 109.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,811,064 km

• M1: 138,827 km (0.116 R)
• M2: 536,458 km (0.118 R)
• M3: 2,554,533 km (0.054 R)
• M4: 3,000,933 km (0.092 R)
• M5: 3,681,005 km (0.056 R)
• M6: 4,101,525 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 10.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.53 AU - 0.83 AU

Year: 380 Days

Day: 9.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,811,064 km

• M1: 134,339 km (0.093 R)
• M2: 643,271 km (0.061 R)
• M3: 1,081,293 km (0.107 R)
• M4: 1,945,969 km (0.063 R)
• M5: 2,309,492 km (0.05 R)
• M6: 2,718,792 km (0.071 R)
• M7: 3,289,956 km (0.119 R)
• M8: 5,778,367 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 12.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.73 AU - 1.15 AU

Year: 618 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,811,064 km

• M1: 156,779 km (0.107 R)
• M2: 650,751 km (0.08 R)
• M3: 1,094,159 km (0.07 R)
• M4: 1,512,584 km (0.087 R)
• M5: 2,076,718 km (0.059 R)
• M6: 2,779,080 km (0.104 R)
• M7: 3,224,582 km (0.087 R)
• M8: 4,034,954 km (0.083 R)
• M9: 4,658,627 km (0.029 R)
• M10: 5,363,682 km (0.104 R)
• M11: 5,904,478 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 14.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.49 AU - 1.93 AU

Year: 1517 Days

Day: 13.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,811,064 km

• M1: 181,612 km (0.097 R)
• M2: 742,155 km (0.107 R)
• M3: 1,246,749 km (0.083 R)
• M4: 1,709,156 km (0.096 R)
• M5: 2,526,409 km (0.101 R)
• M6: 3,039,829 km (0.109 R)
• M7: 3,638,370 km (0.06 R)
• M8: 4,129,948 km (0.118 R)
• M9: 4,630,204 km (0.105 R)
• M10: 5,209,746 km (0.104 R)
• M11: 5,900,888 km (0.056 R)
• M12: 6,583,952 km (0.059 R)
• M13: 7,393,276 km (0.119 R)
• M14: 8,730,831 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.2

Radius: 10.3

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.78 AU - 3.76 AU

Year: 4011 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,811,064 km

• M1: 128,654 km (0.072 R)
• M2: 555,606 km (0.114 R)
• M3: 905,067 km (0.11 R)
• M4: 1,518,418 km (0.099 R)
• M5: 3,013,051 km (0.116 R)
• M6: 3,526,770 km (0.104 R)
• M7: 6,158,645 km (0.063 R)
• M8: 8,296,100 km (0.076 R)
• M9: 10,619,354 km (0.044 R)
• M10: 12,988,536 km (0.117 R)
• M11: 15,066,002 km (0.1 R)
• M12: 16,928,794 km (0.066 R)
• M13: 17,541,098 km (0.098 R)
• M14: 20,896,429 km (0.118 R)
• M15: 26,329,375 km (0.102 R)
• M16: 27,821,464 km (0.119 R)
• M17: 28,674,321 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 8.9

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.77 AU - 4.59 AU

Year: 5796 Days

Day: 12.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,811,064 km

• M1: 110,702 km (0.087 R)
• M2: 823,087 km (0.049 R)
• M3: 1,465,610 km (0.079 R)
• M4: 1,860,549 km (0.09 R)
• M5: 2,226,764 km (0.077 R)
• M6: 3,423,248 km (0.112 R)
• M7: 5,116,995 km (0.085 R)
• M8: 6,032,534 km (0.108 R)
• M9: 7,234,254 km (0.111 R)
• M10: 9,832,470 km (0.071 R)
• M11: 10,805,454 km (0.107 R)
• M12: 12,252,814 km (0.089 R)
• M13: 12,888,156 km (0.102 R)
• M14: 13,825,386 km (0.118 R)
• M15: 21,697,526 km (0.085 R)
• M16: 27,140,345 km (0.11 R)
• M17: 28,310,200 km (0.069 R)
• M18: 29,890,253 km (0.105 R)
• M19: 32,120,458 km (0.093 R)
• M20: 34,772,379 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 11.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.69 AU - 4.99 AU

Year: 7222 Days

Day: 8.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,811,064 km

• M1: 146,157 km (0.117 R)
• M2: 522,246 km (0.083 R)
• M3: 1,032,973 km (0.101 R)
• M4: 1,743,414 km (0.115 R)
• M5: 2,121,148 km (0.084 R)
• M6: 4,152,837 km (0.116 R)
• M7: 5,125,821 km (0.064 R)
• M8: 5,709,552 km (0.059 R)
• M9: 6,214,296 km (0.108 R)
• M10: 6,944,333 km (0.091 R)
• M11: 7,313,242 km (0.094 R)
• M12: 11,388,736 km (0.105 R)
• M13: 11,855,930 km (0.097 R)
• M14: 12,482,297 km (0.107 R)
• M15: 13,906,319 km (0.116 R)
• M16: 14,822,307 km (0.037 R)
• M17: 15,323,160 km (0.112 R)
• M18: 16,595,341 km (0.1 R)
• M19: 20,422,054 km (0.059 R)
• M20: 21,463,405 km (0.096 R)
• M21: 22,105,030 km (0.114 R)
• M22: 25,905,265 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 16,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit