🌌 Stone's Star System Generator

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 9.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9 AU - 11.4 AU

Year: 12144 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,935,404 km

• M1: 121,174 km (0.1 R)
• M2: 558,598 km (0.118 R)
• M3: 1,914,554 km (0.108 R)
• M4: 2,714,603 km (0.086 R)
• M5: 6,497,335 km (0.091 R)
• M6: 9,878,995 km (0.088 R)
• M7: 10,271,240 km (0.087 R)
• M8: 13,553,118 km (0.107 R)
• M9: 17,475,724 km (0.086 R)
• M10: 27,183,279 km (0.113 R)
• M11: 28,939,259 km (0.079 R)
• M12: 29,339,434 km (0.06 R)
• M13: 30,151,002 km (0.026 R)
• M14: 33,657,726 km (0.077 R)
• M15: 36,372,628 km (0.107 R)
• M16: 38,021,944 km (0.11 R)
• M17: 40,713,659 km (0.1 R)
• M18: 41,978,210 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 14.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 10.78 AU - 13.28 AU

Year: 15554 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 154.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,935,404 km

• M1: 176,525 km (0.093 R)
• M2: 830,119 km (0.067 R)
• M3: 1,759,421 km (0.07 R)
• M4: 2,608,089 km (0.087 R)
• M5: 3,791,558 km (0.089 R)
• M6: 5,836,860 km (0.111 R)
• M7: 6,886,588 km (0.111 R)
• M8: 8,987,840 km (0.118 R)
• M9: 9,987,154 km (0.088 R)
• M10: 18,039,409 km (0.102 R)
• M11: 18,634,060 km (0.116 R)
• M12: 19,088,539 km (0.034 R)
• M13: 20,336,783 km (0.071 R)
• M14: 21,062,483 km (0.115 R)
• M15: 36,905,496 km (0.083 R)
• M16: 41,096,929 km (0.07 R)
• M17: 43,439,631 km (0.087 R)
• M18: 45,458,754 km (0.106 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.9

Radius: 3.2

Gravity: 59.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 13 AU - 15.38 AU

Year: 19926 Days

Day: 19.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 105,935,404 km

• M1: 45,627 km (0.045 R)
• M2: 156,629 km (0.108 R)
• M3: 291,117 km (0.1 R)
• M4: 451,337 km (0.041 R)
• M5: 614,997 km (0.094 R)
• M6: 785,538 km (0.108 R)
• M7: 962,961 km (0.049 R)
• M8: 1,166,415 km (0.111 R)
• M9: 1,293,124 km (0.113 R)
• M10: 1,524,701 km (0.059 R)
• M11: 2,010,296 km (0.117 R)
• M12: 2,110,377 km (0.109 R)
• M13: 2,686,329 km (0.117 R)
• M14: 4,012,813 km (0.107 R)
• M15: 4,435,876 km (0.086 R)
• M16: 4,780,998 km (0.117 R)
• M17: 5,842,246 km (0.099 R)
• M18: 5,964,467 km (0.067 R)
• M19: 6,130,222 km (0.034 R)
• M20: 7,424,991 km (0.049 R)
• M21: 9,892,608 km (0.095 R)
• M22: 12,248,176 km (0.09 R)
• M23: 16,442,452 km (0.093 R)
• M24: 19,441,440 km (0.097 R)
• M25: 20,267,520 km (0.091 R)
• M26: 21,212,679 km (0.101 R)
• M27: 21,501,852 km (0.053 R)
• M28: 21,891,404 km (0.095 R)
• M29: 31,323,550 km (0.11 R)
• M30: 32,457,203 km (0.058 R)
• M31: 33,098,678 km (0.043 R)
• M32: 33,228,081 km (0.07 R)
• M33: 35,073,819 km (0.068 R)
• M34: 35,208,158 km (0.084 R)
• M35: 37,968,987 km (0.116 R)
• M36: 42,680,422 km (0.106 R)
• M37: 43,760,519 km (0.103 R)
• M38: 44,700,741 km (0.092 R)
• M39: 45,017,141 km (0.118 R)
• M40: 48,097,511 km (0.109 R)
• M41: 55,035,561 km (0.113 R)
• M42: 70,852,394 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.2

Radius: 7.7

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.84 AU - 20.58 AU

Year: 28968 Days

Day: 15 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 105,935,404 km

• M1: 95,892 km (0.112 R)
• M2: 373,845 km (0.104 R)
• M3: 634,295 km (0.028 R)
• M4: 955,182 km (0.112 R)
• M5: 1,558,959 km (0.063 R)
• M6: 1,892,413 km (0.102 R)
• M7: 2,444,130 km (0.08 R)
• M8: 3,248,817 km (0.113 R)
• M9: 3,629,394 km (0.098 R)
• M10: 5,721,969 km (0.096 R)
• M11: 7,284,070 km (0.111 R)
• M12: 11,296,135 km (0.097 R)
• M13: 11,655,021 km (0.106 R)
• M14: 14,721,627 km (0.103 R)
• M15: 22,729,302 km (0.092 R)
• M16: 23,301,813 km (0.113 R)
• M17: 24,119,365 km (0.109 R)
• M18: 24,595,087 km (0.063 R)
• M19: 27,324,051 km (0.097 R)
• M20: 29,974,327 km (0.084 R)
• M21: 30,248,390 km (0.045 R)
• M22: 30,941,028 km (0.114 R)
• M23: 38,297,952 km (0.094 R)
• M24: 38,620,785 km (0.104 R)
• M25: 43,683,775 km (0.105 R)
• M26: 47,665,921 km (0.098 R)
• M27: 50,322,181 km (0.068 R)
• M28: 52,875,517 km (0.112 R)
• M29: 58,666,151 km (0.094 R)
• M30: 60,395,054 km (0.093 R)
• M31: 62,157,616 km (0.079 R)
• M32: 71,000,047 km (0.03 R)
• M33: 72,715,336 km (0.054 R)
• M34: 77,252,789 km (0.07 R)
• M35: 90,268,103 km (0.098 R)
• M36: 90,553,835 km (0.101 R)
• M37: 91,702,448 km (0.059 R)
• M38: 101,243,650 km (0.09 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: 415 - 10,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit