🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.6

Radius: 11.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.7 AU - 0.74 AU

Year: 407 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,013,949 km

• M1: 147,952 km (0.066 R)
• M2: 542,292 km (0.12 R)
• M3: 942,915 km (0.072 R)
• M4: 1,402,929 km (0.096 R)
• M5: 1,849,329 km (0.106 R)
• M6: 2,417,950 km (0.054 R)
• M7: 3,512,408 km (0.085 R)
• M8: 4,460,560 km (0.114 R)
• M9: 5,094,705 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 8.4

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.96 AU - 0.98 AU

Year: 637 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,013,949 km

• M1: 104,419 km (0.078 R)
• M2: 516,113 km (0.098 R)
• M3: 891,304 km (0.085 R)
• M4: 1,253,929 km (0.098 R)
• M5: 1,535,921 km (0.074 R)
• M6: 1,978,881 km (0.11 R)
• M7: 2,461,334 km (0.117 R)
• M8: 2,730,909 km (0.039 R)
• M9: 3,108,345 km (0.11 R)
• M10: 3,451,672 km (0.112 R)
• M11: 4,014,010 km (0.047 R)
• M12: 4,857,293 km (0.106 R)
• M13: 5,139,285 km (0.104 R)
• M14: 5,563,694 km (0.101 R)
• M15: 5,991,395 km (0.067 R)
• M16: 6,934,759 km (0.056 R)
• M17: 7,453,564 km (0.032 R)
• M18: 8,392,291 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 14

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.08 AU - 1.72 AU

Year: 1105 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 176.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,013,949 km

• M1: 174,132 km (0.078 R)
• M2: 665,262 km (0.115 R)
• M3: 1,156,840 km (0.1 R)
• M4: 1,659,938 km (0.078 R)
• M5: 2,493,797 km (0.106 R)
• M6: 5,596,756 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 14

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.45 AU - 1.91 AU

Year: 1452 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 176 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,013,949 km

• M1: 174,431 km (0.083 R)
• M2: 685,906 km (0.038 R)
• M3: 1,135,897 km (0.117 R)
• M4: 1,714,392 km (0.117 R)
• M5: 3,036,538 km (0.047 R)
• M6: 3,682,800 km (0.076 R)
• M7: 4,120,823 km (0.089 R)
• M8: 5,696,238 km (0.048 R)
• M9: 7,286,763 km (0.097 R)
• M10: 7,839,976 km (0.107 R)
• M11: 8,722,603 km (0.118 R)
• M12: 9,188,152 km (0.101 R)
• M13: 10,237,281 km (0.082 R)
• M14: 10,720,931 km (0.08 R)
• M15: 11,548,357 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 14.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.69 AU - 2.77 AU

Year: 2221 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,013,949 km

• M1: 175,329 km (0.092 R)
• M2: 912,248 km (0.083 R)
• M3: 1,795,474 km (0.087 R)
• M4: 2,337,168 km (0.055 R)
• M5: 3,869,199 km (0.089 R)
• M6: 4,464,898 km (0.107 R)
• M7: 5,354,557 km (0.114 R)
• M8: 6,493,296 km (0.075 R)
• M9: 8,577,942 km (0.102 R)
• M10: 9,179,475 km (0.075 R)
• M11: 10,098,155 km (0.03 R)
• M12: 10,961,036 km (0.077 R)
• M13: 11,510,060 km (0.038 R)
• M14: 13,444,510 km (0.081 R)
• M15: 13,937,585 km (0.102 R)
• M16: 14,629,325 km (0.111 R)
• M17: 15,103,251 km (0.094 R)
• M18: 16,031,955 km (0.062 R)
• M19: 16,586,814 km (0.052 R)
• M20: 17,416,633 km (0.109 R)
• M21: 18,219,674 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 9.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.7 AU - 3.16 AU

Year: 3344 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,013,949 km

• M1: 123,418 km (0.102 R)
• M2: 845,378 km (0.037 R)
• M3: 1,747,453 km (0.025 R)
• M4: 2,514,890 km (0.04 R)
• M5: 3,667,841 km (0.085 R)
• M6: 4,384,714 km (0.08 R)
• M7: 4,776,810 km (0.106 R)
• M8: 5,293,371 km (0.098 R)
• M9: 5,929,012 km (0.095 R)
• M10: 6,294,181 km (0.087 R)
• M11: 8,455,272 km (0.111 R)
• M12: 8,846,320 km (0.081 R)
• M13: 10,291,137 km (0.112 R)
• M14: 11,027,906 km (0.112 R)
• M15: 12,108,900 km (0.047 R)
• M16: 12,469,431 km (0.072 R)
• M17: 14,032,579 km (0.081 R)
• M18: 15,829,250 km (0.101 R)
• M19: 17,203,007 km (0.077 R)
• M20: 23,013,987 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 14,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit