🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.3

Radius: 14.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.04 AU - 1.24 AU

Year: 826 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,351,784 km

• M1: 177,872 km (0.087 R)
• M2: 981,811 km (0.089 R)
• M3: 1,624,483 km (0.078 R)
• M4: 2,129,526 km (0.06 R)
• M5: 2,630,679 km (0.117 R)
• M6: 3,231,763 km (0.05 R)
• M7: 3,701,650 km (0.111 R)
• M8: 4,434,380 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 11.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.9 AU - 1.94 AU

Year: 1804 Days

Day: 6.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,351,784 km

• M1: 138,079 km (0.107 R)
• M2: 718,519 km (0.091 R)
• M3: 1,106,875 km (0.105 R)
• M4: 1,523,206 km (0.034 R)
• M5: 1,898,247 km (0.083 R)
• M6: 2,438,744 km (0.046 R)
• M7: 4,278,050 km (0.099 R)
• M8: 5,324,338 km (0.081 R)
• M9: 7,038,430 km (0.095 R)
• M10: 7,683,945 km (0.115 R)
• M11: 9,093,606 km (0.094 R)
• M12: 9,928,511 km (0.064 R)
• M13: 10,850,184 km (0.096 R)
• M14: 11,483,133 km (0.075 R)
• M15: 11,905,597 km (0.077 R)
• M16: 13,069,468 km (0.098 R)
• M17: 14,045,295 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 9.2

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.78 AU - 2.4 AU

Year: 2049 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,351,784 km

• M1: 115,490 km (0.106 R)
• M2: 414,087 km (0.12 R)
• M3: 731,234 km (0.108 R)
• M4: 1,054,067 km (0.119 R)
• M5: 2,609,735 km (0.079 R)
• M6: 3,719,153 km (0.081 R)
• M7: 5,116,397 km (0.111 R)
• M8: 5,748,747 km (0.054 R)
• M9: 6,327,691 km (0.104 R)
• M10: 7,000,582 km (0.104 R)
• M11: 8,175,374 km (0.094 R)
• M12: 8,520,347 km (0.11 R)
• M13: 9,306,932 km (0.107 R)
• M14: 10,034,128 km (0.109 R)
• M15: 12,158,567 km (0.104 R)
• M16: 12,484,840 km (0.054 R)
• M17: 13,498,814 km (0.051 R)
• M18: 16,321,876 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 10

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.15 AU - 2.71 AU

Year: 2569 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,351,784 km

• M1: 124,765 km (0.066 R)
• M2: 454,179 km (0.095 R)
• M3: 819,048 km (0.098 R)
• M4: 1,340,846 km (0.117 R)
• M5: 2,211,057 km (0.039 R)
• M6: 2,602,255 km (0.072 R)
• M7: 2,976,250 km (0.034 R)
• M8: 3,650,038 km (0.119 R)
• M9: 3,985,138 km (0.104 R)
• M10: 4,340,582 km (0.113 R)
• M11: 4,804,036 km (0.101 R)
• M12: 5,230,540 km (0.109 R)
• M13: 6,912,319 km (0.104 R)
• M14: 7,310,998 km (0.101 R)
• M15: 9,298,405 km (0.056 R)
• M16: 9,644,126 km (0.087 R)
• M17: 10,695,649 km (0.072 R)
• M18: 11,229,863 km (0.108 R)
• M19: 11,622,259 km (0.078 R)
• M20: 12,434,575 km (0.12 R)
• M21: 12,982,552 km (0.107 R)
• M22: 14,446,068 km (0.07 R)
• M23: 16,164,798 km (0.089 R)
• M24: 17,176,528 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 13.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.97 AU - 4.05 AU

Year: 4460 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,351,784 km

• M1: 173,833 km (0.032 R)
• M2: 625,618 km (0.105 R)
• M3: 1,334,712 km (0.12 R)
• M4: 2,151,666 km (0.09 R)
• M5: 3,186,285 km (0.104 R)
• M6: 3,882,364 km (0.097 R)
• M7: 4,337,889 km (0.119 R)
• M8: 5,249,240 km (0.028 R)
• M9: 5,954,743 km (0.079 R)
• M10: 6,469,958 km (0.108 R)
• M11: 6,916,508 km (0.081 R)
• M12: 8,569,265 km (0.042 R)
• M13: 10,257,477 km (0.111 R)
• M14: 10,778,227 km (0.116 R)
• M15: 11,408,034 km (0.092 R)
• M16: 12,840,733 km (0.083 R)
• M17: 14,336,712 km (0.089 R)
• M18: 14,769,050 km (0.104 R)
• M19: 15,546,959 km (0.07 R)
• M20: 21,007,281 km (0.091 R)
• M21: 21,565,879 km (0.111 R)
• M22: 25,285,331 km (0.119 R)
• M23: 26,077,452 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 11.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.58 AU - 3.84 AU

Year: 4847 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,351,784 km

• M1: 139,276 km (0.081 R)
• M2: 751,430 km (0.104 R)
• M3: 1,316,910 km (0.091 R)
• M4: 2,443,232 km (0.04 R)
• M5: 2,900,553 km (0.067 R)
• M6: 6,567,945 km (0.082 R)
• M7: 8,095,638 km (0.062 R)
• M8: 8,845,722 km (0.107 R)
• M9: 12,560,237 km (0.105 R)
• M10: 13,982,315 km (0.074 R)
• M11: 14,354,065 km (0.12 R)
• M12: 15,850,044 km (0.083 R)
• M13: 16,843,972 km (0.036 R)
• M14: 18,570,631 km (0.096 R)
• M15: 20,753,862 km (0.113 R)
• M16: 21,942,866 km (0.074 R)
• M17: 23,176,749 km (0.065 R)
• M18: 24,303,371 km (0.089 R)
• M19: 24,686,940 km (0.076 R)
• M20: 26,422,724 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.7

Radius: 4.3

Gravity: 53.8 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.73 AU - 7.09 AU

Year: 9745 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,351,784 km

• M1: 53,556 km (0.092 R)
• M2: 236,963 km (0.073 R)
• M3: 390,899 km (0.115 R)
• M4: 668,702 km (0.097 R)
• M5: 1,056,610 km (0.058 R)
• M6: 1,656,647 km (0.075 R)
• M7: 1,986,361 km (0.118 R)
• M8: 4,470,882 km (0.117 R)
• M9: 4,975,326 km (0.083 R)
• M10: 5,447,008 km (0.103 R)
• M11: 5,622,486 km (0.085 R)
• M12: 6,675,805 km (0.093 R)
• M13: 6,999,535 km (0.082 R)
• M14: 7,333,587 km (0.072 R)
• M15: 7,765,925 km (0.085 R)
• M16: 16,299,885 km (0.111 R)
• M17: 16,738,356 km (0.032 R)
• M18: 16,960,509 km (0.102 R)
• M19: 17,715,081 km (0.064 R)
• M20: 18,334,865 km (0.115 R)
• M21: 19,781,626 km (0.049 R)
• M22: 22,448,806 km (0.113 R)
• M23: 24,575,938 km (0.115 R)
• M24: 24,959,208 km (0.101 R)
• M25: 25,443,755 km (0.098 R)
• M26: 25,639,280 km (0.076 R)
• M27: 27,036,374 km (0.108 R)
• M28: 29,655,983 km (0.108 R)
• M29: 29,872,600 km (0.112 R)
• M30: 30,528,737 km (0.117 R)
• M31: 34,909,112 km (0.078 R)
• M32: 40,350,136 km (0.082 R)
• M33: 40,883,153 km (0.11 R)
• M34: 43,619,598 km (0.058 R)
• M35: 51,300,102 km (0.104 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: 175 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit