🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

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: 227.7

Radius: 10.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.58 AU - 0.86 AU

Year: 414 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,422,756 km

• M1: 130,599 km (0.114 R)
• M2: 791,522 km (0.057 R)
• M3: 1,772,436 km (0.03 R)
• M4: 2,585,051 km (0.056 R)
• M5: 3,273,800 km (0.066 R)
• M6: 3,705,689 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 8.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.61 AU - 0.85 AU

Year: 423 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,422,756 km

• M1: 109,506 km (0.09 R)
• M2: 398,678 km (0.041 R)
• M3: 807,081 km (0.052 R)
• M4: 1,087,726 km (0.082 R)
• M5: 1,452,147 km (0.066 R)
• M6: 2,023,910 km (0.041 R)
• M7: 2,539,274 km (0.088 R)
• M8: 3,208,575 km (0.108 R)
• M9: 3,666,045 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 9.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.56 AU - 0.92 AU

Year: 432 Days

Day: 7.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,422,756 km

• M1: 118,332 km (0.113 R)
• M2: 414,685 km (0.109 R)
• M3: 800,199 km (0.077 R)
• M4: 1,154,896 km (0.036 R)
• M5: 1,512,584 km (0.043 R)
• M6: 1,986,959 km (0.062 R)
• M7: 2,319,216 km (0.066 R)
• M8: 2,697,399 km (0.032 R)
• M9: 3,316,734 km (0.102 R)
• M10: 3,776,598 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 8.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.43 AU - 1.51 AU

Year: 1209 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,422,756 km

• M1: 104,419 km (0.075 R)
• M2: 366,964 km (0.112 R)
• M3: 942,167 km (0.095 R)
• M4: 1,467,854 km (0.103 R)
• M5: 1,738,776 km (0.083 R)
• M6: 2,113,968 km (0.11 R)
• M7: 2,573,083 km (0.063 R)
• M8: 3,028,160 km (0.078 R)
• M9: 3,612,938 km (0.114 R)
• M10: 4,492,274 km (0.103 R)
• M11: 5,252,830 km (0.036 R)
• M12: 6,059,761 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 14.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.38 AU - 1.58 AU

Year: 1221 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,422,756 km

• M1: 176,675 km (0.095 R)
• M2: 643,720 km (0.078 R)
• M3: 1,193,193 km (0.1 R)
• M4: 2,039,617 km (0.098 R)
• M5: 2,488,561 km (0.088 R)
• M6: 3,018,137 km (0.108 R)
• M7: 3,750,419 km (0.091 R)
• M8: 4,543,287 km (0.101 R)
• M9: 5,260,011 km (0.09 R)
• M10: 6,511,098 km (0.03 R)
• M11: 7,817,985 km (0.03 R)
• M12: 9,293,169 km (0.06 R)
• M13: 10,385,982 km (0.119 R)
• M14: 11,773,352 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 8.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.68 AU - 2.04 AU

Year: 1721 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,422,756 km

• M1: 102,026 km (0.105 R)
• M2: 891,454 km (0.115 R)
• M3: 1,184,067 km (0.119 R)
• M4: 1,594,265 km (0.086 R)
• M5: 1,949,111 km (0.104 R)
• M6: 2,886,192 km (0.051 R)
• M7: 4,130,696 km (0.084 R)
• M8: 5,300,552 km (0.116 R)
• M9: 5,764,604 km (0.084 R)
• M10: 6,725,621 km (0.045 R)
• M11: 7,977,306 km (0.091 R)
• M12: 9,079,244 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 14

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.9 AU - 2.66 AU

Year: 2335 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,422,756 km

• M1: 214,075 km (0.076 R)
• M2: 936,034 km (0.052 R)
• M3: 1,467,555 km (0.058 R)
• M4: 2,212,403 km (0.08 R)
• M5: 3,637,023 km (0.07 R)
• M6: 4,147,152 km (0.079 R)
• M7: 4,617,488 km (0.106 R)
• M8: 5,409,609 km (0.065 R)
• M9: 6,442,881 km (0.119 R)
• M10: 8,080,230 km (0.069 R)
• M11: 9,630,213 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 14.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.63 AU - 4.13 AU

Year: 4215 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,422,756 km

• M1: 179,069 km (0.11 R)
• M2: 1,108,371 km (0.094 R)
• M3: 2,007,903 km (0.115 R)
• M4: 2,537,030 km (0.075 R)
• M5: 3,083,212 km (0.083 R)
• M6: 3,580,625 km (0.112 R)
• M7: 5,865,882 km (0.11 R)
• M8: 6,476,989 km (0.067 R)
• M9: 7,029,454 km (0.111 R)
• M10: 7,899,216 km (0.032 R)
• M11: 9,357,646 km (0.082 R)
• M12: 10,542,461 km (0.104 R)
• M13: 12,803,184 km (0.109 R)
• M14: 14,644,136 km (0.103 R)
• M15: 15,946,385 km (0.025 R)
• M16: 16,776,055 km (0.03 R)
• M17: 17,634,298 km (0.113 R)
• M18: 20,731,423 km (0.107 R)
• M19: 21,576,800 km (0.1 R)
• M20: 22,153,201 km (0.109 R)
• M21: 23,111,674 km (0.06 R)
• M22: 24,251,760 km (0.11 R)
• M23: 25,428,945 km (0.117 R)
• M24: 26,643,979 km (0.059 R)
• M25: 27,812,638 km (0.102 R)
• M26: 29,102,471 km (0.03 R)
• M27: 29,629,354 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.3

Radius: 3.9

Gravity: 41.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.42 AU - 8.94 AU

Year: 14436 Days

Day: 25 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,422,756 km

• M1: 48,619 km (0.089 R)
• M2: 188,194 km (0.082 R)
• M3: 442,959 km (0.066 R)
• M4: 1,021,454 km (0.116 R)
• M5: 1,452,147 km (0.116 R)
• M6: 1,667,717 km (0.107 R)
• M7: 2,182,184 km (0.109 R)
• M8: 2,550,793 km (0.066 R)
• M9: 3,791,708 km (0.112 R)
• M10: 4,902,173 km (0.059 R)
• M11: 5,245,500 km (0.047 R)
• M12: 5,641,336 km (0.063 R)
• M13: 8,205,742 km (0.112 R)
• M14: 11,753,456 km (0.119 R)
• M15: 13,131,551 km (0.12 R)
• M16: 14,894,862 km (0.089 R)
• M17: 15,613,081 km (0.08 R)
• M18: 17,986,152 km (0.091 R)
• M19: 19,809,002 km (0.12 R)
• M20: 20,501,341 km (0.086 R)
• M21: 21,842,486 km (0.077 R)
• M22: 23,816,879 km (0.046 R)
• M23: 26,422,275 km (0.055 R)
• M24: 28,008,461 km (0.115 R)
• M25: 28,441,996 km (0.059 R)
• M26: 31,485,714 km (0.106 R)
• M27: 34,491,135 km (0.078 R)
• M28: 42,046,726 km (0.096 R)
• M29: 44,203,777 km (0.05 R)
• M30: 48,115,313 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 10,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit