🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 10.4

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 6.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,894,710 km

• M1: 129,402 km (0.076 R)
• M2: 469,737 km (0.068 R)
• M3: 799,601 km (0.112 R)
• M4: 1,148,164 km (0.112 R)
• M5: 1,570,179 km (0.102 R)
• M6: 1,964,220 km (0.092 R)
• M7: 2,294,682 km (0.046 R)
• M8: 2,707,123 km (0.115 R)
• M9: 3,041,325 km (0.102 R)
• M10: 3,487,575 km (0.106 R)
• M11: 3,839,280 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 10.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,894,710 km

• M1: 131,796 km (0.091 R)
• M2: 670,647 km (0.104 R)
• M3: 1,045,390 km (0.114 R)
• M4: 1,412,802 km (0.048 R)
• M5: 1,766,452 km (0.098 R)
• M6: 2,155,107 km (0.113 R)
• M7: 2,619,758 km (0.108 R)
• M8: 3,118,667 km (0.098 R)
• M9: 3,539,486 km (0.106 R)
• M10: 4,048,717 km (0.08 R)
• M11: 4,496,164 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.9

Radius: 9.7

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.85 AU - 2.79 AU

Year: 2356 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,894,710 km

• M1: 121,025 km (0.111 R)
• M2: 441,164 km (0.057 R)
• M3: 1,001,558 km (0.11 R)
• M4: 1,510,938 km (0.085 R)
• M5: 1,838,109 km (0.07 R)
• M6: 2,349,135 km (0.108 R)
• M7: 2,855,973 km (0.078 R)
• M8: 3,829,257 km (0.084 R)
• M9: 4,756,016 km (0.116 R)
• M10: 5,469,298 km (0.038 R)
• M11: 6,009,795 km (0.102 R)
• M12: 6,529,049 km (0.116 R)
• M13: 7,348,696 km (0.104 R)
• M14: 9,015,964 km (0.112 R)
• M15: 9,733,885 km (0.074 R)
• M16: 10,802,462 km (0.113 R)
• M17: 12,505,933 km (0.115 R)
• M18: 13,036,557 km (0.074 R)
• M19: 14,963,976 km (0.118 R)
• M20: 17,290,073 km (0.043 R)

Asteroid Belt

Center: 2.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 13.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.38 AU - 3.48 AU

Year: 4236 Days

Day: 7.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,894,710 km

• M1: 172,935 km (0.102 R)
• M2: 709,543 km (0.115 R)
• M3: 1,289,982 km (0.057 R)
• M4: 2,086,442 km (0.051 R)
• M5: 2,763,821 km (0.106 R)
• M6: 3,268,564 km (0.038 R)
• M7: 4,372,447 km (0.072 R)
• M8: 5,062,841 km (0.106 R)
• M9: 6,820,317 km (0.059 R)
• M10: 7,785,971 km (0.102 R)
• M11: 8,466,940 km (0.079 R)
• M12: 9,662,826 km (0.069 R)
• M13: 11,189,921 km (0.098 R)
• M14: 11,918,014 km (0.086 R)
• M15: 13,218,468 km (0.107 R)
• M16: 13,825,835 km (0.087 R)
• M17: 14,825,747 km (0.069 R)
• M18: 16,386,502 km (0.085 R)
• M19: 17,028,726 km (0.112 R)
• M20: 18,993,095 km (0.093 R)
• M21: 19,442,188 km (0.068 R)
• M22: 20,428,487 km (0.107 R)
• M23: 22,931,558 km (0.06 R)
• M24: 24,256,996 km (0.03 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.7

Radius: 5

Gravity: 22.31 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.84 AU - 7.22 AU

Year: 12430 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,894,710 km

• M1: 70,311 km (0.115 R)
• M2: 373,695 km (0.095 R)
• M3: 1,045,839 km (0.076 R)
• M4: 1,936,395 km (0.091 R)
• M5: 2,433,359 km (0.05 R)
• M6: 4,866,269 km (0.04 R)
• M7: 5,531,232 km (0.085 R)
• M8: 6,068,138 km (0.113 R)
• M9: 6,483,572 km (0.064 R)
• M10: 6,917,555 km (0.097 R)
• M11: 8,245,236 km (0.039 R)
• M12: 8,613,696 km (0.069 R)
• M13: 10,461,828 km (0.101 R)
• M14: 11,620,314 km (0.084 R)
• M15: 12,984,646 km (0.094 R)
• M16: 14,919,994 km (0.08 R)
• M17: 18,559,112 km (0.078 R)
• M18: 20,582,573 km (0.083 R)
• M19: 20,919,467 km (0.064 R)
• M20: 22,658,991 km (0.083 R)
• M21: 25,349,359 km (0.043 R)
• M22: 28,661,306 km (0.073 R)
• M23: 37,361,470 km (0.086 R)
• M24: 43,261,311 km (0.069 R)
• M25: 51,587,330 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.5

Radius: 3.7

Gravity: 66.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.8 AU - 9.66 AU

Year: 14332 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,894,710 km

• M1: 46,076 km (0.072 R)
• M2: 271,670 km (0.111 R)
• M3: 483,201 km (0.077 R)
• M4: 838,346 km (0.074 R)
• M5: 970,142 km (0.107 R)
• M6: 1,304,194 km (0.112 R)
• M7: 2,559,171 km (0.063 R)
• M8: 3,714,066 km (0.092 R)
• M9: 4,324,276 km (0.116 R)
• M10: 4,619,732 km (0.109 R)
• M11: 5,360,989 km (0.108 R)
• M12: 5,936,791 km (0.039 R)
• M13: 6,595,321 km (0.098 R)
• M14: 6,767,359 km (0.101 R)
• M15: 7,531,804 km (0.086 R)
• M16: 8,007,376 km (0.093 R)
• M17: 8,655,284 km (0.098 R)
• M18: 8,913,490 km (0.094 R)
• M19: 9,941,975 km (0.073 R)
• M20: 11,228,667 km (0.045 R)
• M21: 11,474,007 km (0.07 R)
• M22: 12,102,917 km (0.081 R)
• M23: 15,294,138 km (0.111 R)
• M24: 20,422,952 km (0.101 R)
• M25: 22,294,122 km (0.106 R)
• M26: 26,915,649 km (0.076 R)
• M27: 29,159,916 km (0.033 R)
• M28: 32,259,734 km (0.069 R)
• M29: 32,383,152 km (0.076 R)
• M30: 32,506,869 km (0.06 R)
• M31: 34,401,078 km (0.114 R)
• M32: 34,658,984 km (0.104 R)
• M33: 41,828,163 km (0.05 R)
• M34: 42,714,082 km (0.102 R)
• M35: 44,370,429 km (0.075 R)
• M36: 44,829,396 km (0.098 R)
• M37: 49,104,304 km (0.092 R)
• M38: 52,782,168 km (0.118 R)
• M39: 53,470,019 km (0.088 R)
• M40: 58,820,536 km (0.109 R)
• M41: 59,931,899 km (0.079 R)
• M42: 60,118,448 km (0.09 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: 451 - 12,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit