🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 15

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.72 AU - 0.76 AU

Year: 432 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,999,905 km

• M1: 186,698 km (0.088 R)
• M2: 690,544 km (0.083 R)
• M3: 1,160,131 km (0.048 R)
• M4: 2,013,438 km (0.051 R)
• M5: 2,899,955 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 8.8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.06 AU - 1.24 AU

Year: 836 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,999,905 km

• M1: 109,506 km (0.117 R)
• M2: 512,672 km (0.079 R)
• M3: 896,839 km (0.096 R)
• M4: 1,170,903 km (0.049 R)
• M5: 1,462,319 km (0.059 R)
• M6: 2,061,907 km (0.042 R)
• M7: 2,854,627 km (0.079 R)
• M8: 3,128,540 km (0.12 R)
• M9: 3,837,036 km (0.11 R)
• M10: 4,355,093 km (0.098 R)
• M11: 5,011,229 km (0.045 R)
• M12: 5,314,764 km (0.074 R)
• M13: 6,000,819 km (0.097 R)
• M14: 6,409,072 km (0.099 R)
• M15: 6,721,881 km (0.07 R)
• M16: 7,647,144 km (0.117 R)
• M17: 8,050,310 km (0.054 R)
• M18: 8,547,574 km (0.119 R)
• M19: 9,204,907 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.6

Radius: 9.1

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.93 AU - 2.71 AU

Year: 2397 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,999,905 km

• M1: 113,246 km (0.11 R)
• M2: 429,645 km (0.095 R)
• M3: 757,713 km (0.032 R)
• M4: 1,069,625 km (0.108 R)
• M5: 1,469,051 km (0.08 R)
• M6: 1,759,421 km (0.066 R)
• M7: 2,362,300 km (0.111 R)
• M8: 2,689,919 km (0.074 R)
• M9: 3,384,951 km (0.076 R)
• M10: 4,421,515 km (0.115 R)
• M11: 5,013,174 km (0.058 R)
• M12: 5,484,856 km (0.056 R)
• M13: 5,781,808 km (0.065 R)
• M14: 7,079,121 km (0.109 R)
• M15: 7,673,473 km (0.08 R)
• M16: 9,374,401 km (0.111 R)
• M17: 9,692,596 km (0.099 R)
• M18: 10,576,270 km (0.096 R)
• M19: 11,593,237 km (0.105 R)
• M20: 13,594,856 km (0.118 R)
• M21: 13,957,182 km (0.104 R)
• M22: 16,016,247 km (0.109 R)
• M23: 16,318,734 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 14.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.32 AU - 3.52 AU

Year: 4290 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,999,905 km

• M1: 197,918 km (0.088 R)
• M2: 771,476 km (0.059 R)
• M3: 1,315,564 km (0.113 R)
• M4: 2,261,172 km (0.049 R)
• M5: 3,143,051 km (0.101 R)
• M6: 3,809,360 km (0.097 R)
• M7: 4,985,349 km (0.097 R)
• M8: 5,699,679 km (0.117 R)
• M9: 6,511,846 km (0.076 R)
• M10: 7,668,088 km (0.107 R)
• M11: 9,185,608 km (0.116 R)
• M12: 10,262,115 km (0.104 R)
• M13: 12,009,268 km (0.117 R)
• M14: 19,058,320 km (0.093 R)
• M15: 20,212,468 km (0.063 R)
• M16: 21,754,522 km (0.026 R)
• M17: 23,373,770 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 9.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.07 AU - 4.17 AU

Year: 5672 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,999,905 km

• M1: 119,379 km (0.113 R)
• M2: 446,849 km (0.03 R)
• M3: 1,084,884 km (0.08 R)
• M4: 1,460,674 km (0.069 R)
• M5: 3,429,830 km (0.103 R)
• M6: 3,977,508 km (0.049 R)
• M7: 6,180,935 km (0.109 R)
• M8: 7,454,163 km (0.1 R)
• M9: 9,645,173 km (0.103 R)
• M10: 14,091,521 km (0.068 R)
• M11: 17,558,003 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 8.7

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.12 AU - 5.66 AU

Year: 8487 Days

Day: 9.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,999,905 km

• M1: 110,403 km (0.108 R)
• M2: 486,941 km (0.105 R)
• M3: 895,343 km (0.049 R)
• M4: 1,168,659 km (0.076 R)
• M5: 1,525,001 km (0.101 R)
• M6: 2,824,707 km (0.102 R)
• M7: 3,116,124 km (0.1 R)
• M8: 3,809,659 km (0.114 R)
• M9: 5,250,436 km (0.087 R)
• M10: 9,853,862 km (0.108 R)
• M11: 15,055,231 km (0.116 R)
• M12: 18,129,616 km (0.062 R)
• M13: 19,964,733 km (0.111 R)
• M14: 21,519,355 km (0.065 R)
• M15: 25,577,047 km (0.045 R)
• M16: 33,533,111 km (0.081 R)
• M17: 35,836,170 km (0.117 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: 283 - 12,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit