🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.62 AU - 0.76 AU

Year: 403 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,455,225 km

• M1: 99,483 km (0.096 R)
• M2: 391,498 km (0.098 R)
• M3: 713,432 km (0.066 R)
• M4: 1,208,452 km (0.078 R)
• M5: 1,544,149 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 8.1

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.78 AU - 1.1 AU

Year: 641 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,455,225 km

• M1: 104,120 km (0.087 R)
• M2: 465,100 km (0.075 R)
• M3: 948,002 km (0.063 R)
• M4: 1,245,103 km (0.1 R)
• M5: 1,525,898 km (0.081 R)
• M6: 1,875,957 km (0.104 R)
• M7: 2,289,296 km (0.107 R)
• M8: 2,635,316 km (0.1 R)
• M9: 3,246,124 km (0.081 R)
• M10: 3,978,107 km (0.093 R)
• M11: 5,059,998 km (0.034 R)
• M12: 5,479,620 km (0.094 R)
• M13: 6,835,576 km (0.114 R)
• M14: 7,556,637 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 11.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.02 AU - 1.52 AU

Year: 1006 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,455,225 km

• M1: 145,559 km (0.11 R)
• M2: 605,423 km (0.071 R)
• M3: 1,038,508 km (0.102 R)
• M4: 1,982,621 km (0.089 R)
• M5: 2,507,410 km (0.105 R)
• M6: 3,123,753 km (0.11 R)
• M7: 3,690,131 km (0.078 R)
• M8: 4,221,054 km (0.04 R)
• M9: 5,062,841 km (0.093 R)
• M10: 5,577,158 km (0.053 R)
• M11: 6,316,770 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 12.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.82 AU - 3.16 AU

Year: 3634 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,455,225 km

• M1: 156,779 km (0.058 R)
• M2: 1,085,333 km (0.066 R)
• M3: 1,523,206 km (0.041 R)
• M4: 2,080,607 km (0.117 R)
• M5: 2,553,636 km (0.107 R)
• M6: 3,364,905 km (0.06 R)
• M7: 4,507,085 km (0.092 R)
• M8: 7,190,870 km (0.08 R)
• M9: 8,063,176 km (0.093 R)
• M10: 8,870,855 km (0.112 R)
• M11: 11,341,314 km (0.091 R)
• M12: 12,649,697 km (0.054 R)
• M13: 13,296,708 km (0.105 R)
• M14: 14,285,400 km (0.059 R)
• M15: 14,939,591 km (0.11 R)
• M16: 17,546,185 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.6

Radius: 3.3

Gravity: 74.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.91 AU - 8.45 AU

Year: 14961 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,455,225 km

• M1: 41,139 km (0.11 R)
• M2: 247,734 km (0.1 R)
• M3: 378,931 km (0.118 R)
• M4: 807,679 km (0.101 R)
• M5: 925,113 km (0.102 R)
• M6: 3,515,400 km (0.045 R)
• M7: 4,485,692 km (0.099 R)
• M8: 4,719,514 km (0.066 R)
• M9: 5,284,694 km (0.031 R)
• M10: 5,545,593 km (0.086 R)
• M11: 6,675,655 km (0.098 R)
• M12: 7,617,823 km (0.082 R)
• M13: 8,293,108 km (0.1 R)
• M14: 10,154,105 km (0.07 R)
• M15: 10,557,122 km (0.038 R)
• M16: 12,083,319 km (0.106 R)
• M17: 13,681,174 km (0.104 R)
• M18: 13,960,473 km (0.086 R)
• M19: 15,869,342 km (0.107 R)
• M20: 19,748,864 km (0.108 R)
• M21: 20,557,440 km (0.114 R)
• M22: 20,831,803 km (0.069 R)
• M23: 23,213,850 km (0.088 R)
• M24: 24,623,959 km (0.098 R)
• M25: 24,933,477 km (0.119 R)
• M26: 25,877,290 km (0.054 R)
• M27: 30,125,720 km (0.113 R)
• M28: 33,537,599 km (0.049 R)
• M29: 35,861,751 km (0.05 R)
• M30: 37,333,645 km (0.088 R)
• M31: 41,551,706 km (0.08 R)
• M32: 42,136,933 km (0.1 R)
• M33: 44,839,119 km (0.043 R)
• M34: 46,232,474 km (0.116 R)
• M35: 47,654,551 km (0.08 R)
• M36: 49,431,774 km (0.11 R)
• M37: 51,252,679 km (0.036 R)
• M38: 56,445,221 km (0.087 R)
• M39: 61,597,671 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 15,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit