🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 14.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.96 AU - 1.48 AU

Year: 914 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,954,645 km

• M1: 184,155 km (0.053 R)
• M2: 777,909 km (0.069 R)
• M3: 1,924,577 km (0.071 R)
• M4: 3,127,792 km (0.073 R)
• M5: 3,764,182 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.4

Radius: 9.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.07 AU - 1.61 AU

Year: 1052 Days

Day: 8.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,954,645 km

• M1: 118,182 km (0.056 R)
• M2: 419,772 km (0.108 R)
• M3: 949,049 km (0.098 R)
• M4: 1,302,100 km (0.097 R)
• M5: 1,743,114 km (0.049 R)
• M6: 2,202,829 km (0.112 R)
• M7: 2,531,495 km (0.099 R)
• M8: 3,086,354 km (0.091 R)
• M9: 3,609,049 km (0.065 R)
• M10: 3,979,752 km (0.033 R)
• M11: 5,071,218 km (0.063 R)
• M12: 6,130,670 km (0.08 R)
• M13: 7,066,405 km (0.079 R)
• M14: 7,881,265 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 14.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.43 AU - 2.25 AU

Year: 1693 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,954,645 km

• M1: 179,069 km (0.07 R)
• M2: 784,641 km (0.03 R)
• M3: 1,381,836 km (0.117 R)
• M4: 2,115,763 km (0.081 R)
• M5: 2,757,986 km (0.093 R)
• M6: 3,247,620 km (0.051 R)
• M7: 3,965,540 km (0.067 R)
• M8: 5,422,773 km (0.096 R)
• M9: 6,328,140 km (0.043 R)
• M10: 7,118,465 km (0.04 R)
• M11: 10,126,579 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 8.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.57 AU - 2.65 AU

Year: 2860 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,954,645 km

• M1: 105,616 km (0.063 R)
• M2: 371,751 km (0.083 R)
• M3: 730,786 km (0.081 R)
• M4: 1,285,644 km (0.095 R)
• M5: 1,948,063 km (0.047 R)
• M6: 2,280,470 km (0.095 R)
• M7: 2,894,420 km (0.089 R)
• M8: 3,216,653 km (0.079 R)
• M9: 3,648,692 km (0.116 R)
• M10: 4,388,753 km (0.077 R)
• M11: 4,857,592 km (0.113 R)
• M12: 5,225,304 km (0.08 R)
• M13: 6,114,663 km (0.055 R)
• M14: 6,779,177 km (0.12 R)
• M15: 7,661,805 km (0.07 R)
• M16: 12,721,803 km (0.088 R)
• M17: 14,764,263 km (0.1 R)
• M18: 15,398,857 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 15

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.04 AU - 3.18 AU

Year: 2860 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,954,645 km

• M1: 187,446 km (0.036 R)
• M2: 804,687 km (0.111 R)
• M3: 1,300,753 km (0.112 R)
• M4: 1,812,977 km (0.08 R)
• M5: 2,407,030 km (0.111 R)
• M6: 3,247,471 km (0.055 R)
• M7: 4,236,013 km (0.101 R)
• M8: 4,724,151 km (0.114 R)
• M9: 5,588,827 km (0.117 R)
• M10: 7,788,813 km (0.101 R)
• M11: 8,793,213 km (0.118 R)
• M12: 11,099,564 km (0.095 R)
• M13: 13,065,429 km (0.119 R)
• M14: 14,061,452 km (0.08 R)
• M15: 15,951,172 km (0.112 R)
• M16: 18,783,509 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 12.2

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.58 AU - 3.3 AU

Year: 3419 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,954,645 km

• M1: 151,692 km (0.079 R)
• M2: 577,149 km (0.075 R)
• M3: 1,059,452 km (0.088 R)
• M4: 1,520,812 km (0.094 R)
• M5: 1,941,032 km (0.093 R)
• M6: 2,363,198 km (0.087 R)
• M7: 3,224,732 km (0.108 R)
• M8: 3,636,126 km (0.09 R)
• M9: 4,262,492 km (0.094 R)
• M10: 5,375,949 km (0.052 R)
• M11: 5,759,368 km (0.056 R)
• M12: 7,085,703 km (0.082 R)
• M13: 8,942,362 km (0.097 R)
• M14: 9,601,491 km (0.103 R)
• M15: 10,292,633 km (0.107 R)
• M16: 10,800,368 km (0.072 R)
• M17: 13,948,655 km (0.108 R)
• M18: 14,361,396 km (0.062 R)
• M19: 15,484,128 km (0.063 R)
• M20: 16,607,009 km (0.074 R)
• M21: 18,269,191 km (0.087 R)
• M22: 20,966,590 km (0.118 R)
• M23: 25,725,448 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 9.8

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.65 AU - 4.75 AU

Year: 5838 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,954,645 km

• M1: 121,922 km (0.09 R)
• M2: 696,976 km (0.098 R)
• M3: 1,399,937 km (0.109 R)
• M4: 2,120,999 km (0.079 R)
• M5: 2,826,801 km (0.054 R)
• M6: 3,836,737 km (0.111 R)
• M7: 5,386,421 km (0.111 R)
• M8: 6,164,629 km (0.076 R)
• M9: 6,552,536 km (0.107 R)
• M10: 7,500,837 km (0.051 R)
• M11: 8,303,430 km (0.096 R)
• M12: 12,353,194 km (0.068 R)
• M13: 13,333,509 km (0.095 R)
• M14: 15,499,387 km (0.097 R)
• M15: 19,791,948 km (0.076 R)
• M16: 20,333,343 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.6

Radius: 5.4

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.67 AU - 10.49 AU

Year: 20111 Days

Day: 20.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,954,645 km

• M1: 67,169 km (0.119 R)
• M2: 243,396 km (0.094 R)
• M3: 435,031 km (0.069 R)
• M4: 1,051,523 km (0.076 R)
• M5: 1,413,999 km (0.067 R)
• M6: 1,800,710 km (0.108 R)
• M7: 2,089,134 km (0.094 R)
• M8: 2,661,645 km (0.067 R)
• M9: 4,475,370 km (0.036 R)
• M10: 5,458,378 km (0.112 R)
• M11: 5,775,525 km (0.113 R)
• M12: 7,548,260 km (0.094 R)
• M13: 9,316,207 km (0.087 R)
• M14: 9,769,190 km (0.116 R)
• M15: 10,296,073 km (0.059 R)
• M16: 10,596,915 km (0.043 R)
• M17: 11,470,566 km (0.084 R)
• M18: 17,828,775 km (0.03 R)
• M19: 24,242,933 km (0.086 R)
• M20: 25,207,092 km (0.063 R)
• M21: 25,974,379 km (0.102 R)
• M22: 26,419,732 km (0.075 R)
• M23: 26,870,171 km (0.087 R)
• M24: 28,842,021 km (0.11 R)
• M25: 35,061,253 km (0.082 R)
• M26: 36,154,664 km (0.061 R)
• M27: 39,571,330 km (0.085 R)
• M28: 40,160,895 km (0.079 R)
• M29: 42,270,674 km (0.056 R)
• M30: 43,979,380 km (0.076 R)
• M31: 53,217,199 km (0.073 R)
• M32: 55,759,315 km (0.064 R)
• M33: 57,060,218 km (0.041 R)
• M34: 72,730,446 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 16,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit