🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

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: 341.9

Radius: 11.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.65 AU - 0.67 AU

Year: 377 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,525,368 km

• M1: 147,952 km (0.103 R)
• M2: 908,059 km (0.075 R)
• M3: 1,439,730 km (0.101 R)
• M4: 1,966,464 km (0.049 R)
• M5: 2,809,298 km (0.072 R)
• M6: 4,249,477 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 9.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.66 AU - 0.84 AU

Year: 457 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,525,368 km

• M1: 119,678 km (0.103 R)
• M2: 457,919 km (0.089 R)
• M3: 843,732 km (0.12 R)
• M4: 1,197,980 km (0.115 R)
• M5: 2,010,296 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 9.5

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.31 AU - 2.03 AU

Year: 1517 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,525,368 km

• M1: 118,182 km (0.119 R)
• M2: 461,360 km (0.087 R)
• M3: 1,029,682 km (0.073 R)
• M4: 1,421,329 km (0.082 R)
• M5: 1,716,785 km (0.108 R)
• M6: 2,203,277 km (0.108 R)
• M7: 2,550,793 km (0.077 R)
• M8: 3,171,624 km (0.108 R)
• M9: 3,855,137 km (0.112 R)
• M10: 4,363,321 km (0.083 R)
• M11: 5,469,298 km (0.063 R)
• M12: 6,426,725 km (0.093 R)
• M13: 6,803,562 km (0.076 R)
• M14: 8,491,026 km (0.032 R)
• M15: 8,914,537 km (0.082 R)
• M16: 9,352,260 km (0.106 R)
• M17: 9,771,434 km (0.071 R)
• M18: 10,135,854 km (0.081 R)
• M19: 10,786,754 km (0.066 R)
• M20: 12,986,442 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.3

Radius: 7.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.34 AU - 6.8 AU

Year: 9240 Days

Day: 24.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,525,368 km

• M1: 99,333 km (0.119 R)
• M2: 924,515 km (0.097 R)
• M3: 2,568,147 km (0.103 R)
• M4: 2,985,674 km (0.114 R)
• M5: 3,351,591 km (0.119 R)
• M6: 3,830,154 km (0.052 R)
• M7: 4,998,065 km (0.104 R)
• M8: 6,748,210 km (0.073 R)
• M9: 13,003,945 km (0.042 R)
• M10: 13,292,070 km (0.118 R)
• M11: 23,347,141 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 7.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.72 AU - 6.44 AU

Year: 9265 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,525,368 km

• M1: 94,546 km (0.102 R)
• M2: 558,898 km (0.115 R)
• M3: 1,070,822 km (0.116 R)
• M4: 3,720,349 km (0.102 R)
• M5: 3,991,122 km (0.057 R)
• M6: 5,017,064 km (0.11 R)
• M7: 6,146,827 km (0.097 R)
• M8: 7,437,408 km (0.091 R)
• M9: 10,017,971 km (0.088 R)
• M10: 10,322,702 km (0.09 R)
• M11: 11,651,281 km (0.054 R)
• M12: 13,245,395 km (0.118 R)
• M13: 17,921,077 km (0.09 R)
• M14: 19,968,473 km (0.051 R)
• M15: 20,660,962 km (0.045 R)
• M16: 23,210,858 km (0.108 R)
• M17: 23,821,815 km (0.098 R)
• M18: 25,800,247 km (0.079 R)
• M19: 26,290,928 km (0.034 R)
• M20: 27,290,840 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.6

Radius: 6.5

Gravity: 23.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.59 AU - 6.27 AU

Year: 10151 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,525,368 km

• M1: 80,932 km (0.102 R)
• M2: 367,712 km (0.08 R)
• M3: 637,137 km (0.1 R)
• M4: 1,213,089 km (0.1 R)
• M5: 1,640,789 km (0.104 R)
• M6: 1,949,859 km (0.085 R)
• M7: 2,183,231 km (0.119 R)
• M8: 2,772,049 km (0.045 R)
• M9: 3,310,451 km (0.071 R)
• M10: 4,172,434 km (0.115 R)
• M11: 4,846,223 km (0.048 R)
• M12: 6,064,398 km (0.102 R)
• M13: 8,371,347 km (0.098 R)
• M14: 8,606,366 km (0.046 R)
• M15: 9,040,648 km (0.065 R)
• M16: 9,848,477 km (0.069 R)
• M17: 12,993,772 km (0.071 R)
• M18: 15,662,448 km (0.077 R)
• M19: 15,876,074 km (0.106 R)
• M20: 17,049,370 km (0.061 R)
• M21: 18,835,419 km (0.033 R)
• M22: 20,317,635 km (0.075 R)
• M23: 25,033,558 km (0.119 R)
• M24: 27,851,982 km (0.068 R)
• M25: 28,801,031 km (0.105 R)
• M26: 29,014,956 km (0.117 R)
• M27: 30,099,840 km (0.083 R)
• M28: 31,663,736 km (0.076 R)
• M29: 34,710,596 km (0.041 R)
• M30: 39,244,009 km (0.112 R)
• M31: 39,506,853 km (0.114 R)
• M32: 44,583,756 km (0.081 R)
• M33: 53,229,166 km (0.03 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 10,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit