🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 10.1

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.8 AU - 0.96 AU

Year: 533 Days

Day: 5 Hours

Environment

Temp: -148 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,612,248 km

• M1: 125,812 km (0.095 R)
• M2: 551,268 km (0.092 R)
• M3: 979,118 km (0.104 R)
• M4: 1,436,289 km (0.081 R)
• M5: 2,151,965 km (0.114 R)
• M6: 2,798,976 km (0.045 R)
• M7: 3,150,232 km (0.089 R)
• M8: 3,637,771 km (0.111 R)
• M9: 4,160,317 km (0.117 R)
• M10: 4,525,485 km (0.093 R)
• M11: 7,165,888 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 13.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.37 AU - 1.57 AU

Year: 1151 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,612,248 km

• M1: 162,912 km (0.095 R)
• M2: 572,960 km (0.115 R)
• M3: 1,562,550 km (0.119 R)
• M4: 2,016,280 km (0.044 R)
• M5: 2,502,473 km (0.117 R)
• M6: 3,359,968 km (0.07 R)
• M7: 4,065,921 km (0.096 R)
• M8: 4,728,041 km (0.07 R)
• M9: 5,734,984 km (0.055 R)
• M10: 6,417,898 km (0.077 R)
• M11: 7,651,931 km (0.102 R)
• M12: 8,121,818 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.1

Radius: 14.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.54 AU - 1.66 AU

Year: 1307 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,612,248 km

• M1: 184,155 km (0.096 R)
• M2: 681,269 km (0.118 R)
• M3: 1,249,441 km (0.093 R)
• M4: 1,775,577 km (0.073 R)
• M5: 2,485,718 km (0.092 R)
• M6: 3,951,478 km (0.083 R)
• M7: 4,481,803 km (0.095 R)
• M8: 5,003,450 km (0.081 R)
• M9: 5,545,593 km (0.066 R)
• M10: 7,242,931 km (0.07 R)
• M11: 8,625,514 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705

Radius: 8.9

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.86 AU - 2.08 AU

Year: 1785 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,612,248 km

• M1: 112,348 km (0.12 R)
• M2: 394,190 km (0.102 R)
• M3: 693,685 km (0.1 R)
• M4: 1,160,580 km (0.118 R)
• M5: 1,612,815 km (0.04 R)
• M6: 2,131,470 km (0.119 R)
• M7: 2,496,040 km (0.119 R)
• M8: 3,758,796 km (0.094 R)
• M9: 4,274,909 km (0.063 R)
• M10: 4,712,931 km (0.099 R)
• M11: 5,335,707 km (0.048 R)
• M12: 5,749,345 km (0.106 R)
• M13: 6,208,910 km (0.097 R)
• M14: 7,119,662 km (0.114 R)
• M15: 7,851,794 km (0.109 R)
• M16: 13,420,575 km (0.117 R)
• M17: 13,970,945 km (0.111 R)
• M18: 14,668,819 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.1

Radius: 13.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.41 AU - 3.73 AU

Year: 3473 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,612,248 km

• M1: 169,195 km (0.081 R)
• M2: 723,754 km (0.101 R)
• M3: 1,245,402 km (0.095 R)
• M4: 1,843,195 km (0.101 R)
• M5: 2,489,159 km (0.097 R)
• M6: 3,172,971 km (0.108 R)
• M7: 3,915,874 km (0.063 R)
• M8: 5,750,243 km (0.037 R)
• M9: 7,896,673 km (0.095 R)
• M10: 10,615,914 km (0.057 R)
• M11: 11,470,566 km (0.087 R)
• M12: 12,696,670 km (0.109 R)
• M13: 14,879,603 km (0.064 R)
• M14: 15,462,286 km (0.102 R)
• M15: 16,225,834 km (0.117 R)
• M16: 17,129,106 km (0.114 R)
• M17: 17,828,476 km (0.116 R)
• M18: 20,491,767 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.3

Radius: 7

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7 AU - 8.74 AU

Year: 14255 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,612,248 km

• M1: 95,892 km (0.059 R)
• M2: 383,569 km (0.102 R)
• M3: 951,442 km (0.114 R)
• M4: 1,224,459 km (0.118 R)
• M5: 1,580,651 km (0.101 R)
• M6: 1,913,955 km (0.097 R)
• M7: 2,155,107 km (0.118 R)
• M8: 2,458,791 km (0.058 R)
• M9: 3,882,214 km (0.048 R)
• M10: 4,333,551 km (0.086 R)
• M11: 4,686,452 km (0.046 R)
• M12: 7,088,695 km (0.053 R)
• M13: 7,579,077 km (0.081 R)
• M14: 8,878,634 km (0.114 R)
• M15: 9,186,506 km (0.112 R)
• M16: 10,489,653 km (0.103 R)
• M17: 13,525,143 km (0.072 R)
• M18: 15,498,938 km (0.12 R)
• M19: 15,870,689 km (0.084 R)
• M20: 17,100,084 km (0.052 R)
• M21: 18,226,705 km (0.112 R)
• M22: 19,316,526 km (0.102 R)
• M23: 20,537,992 km (0.071 R)
• M24: 23,327,394 km (0.072 R)
• M25: 23,619,409 km (0.084 R)
• M26: 26,889,170 km (0.038 R)
• M27: 29,530,919 km (0.093 R)
• M28: 32,703,890 km (0.085 R)
• M29: 33,934,631 km (0.118 R)
• M30: 39,995,440 km (0.064 R)
• M31: 40,976,802 km (0.108 R)
• M32: 43,721,174 km (0.081 R)
• M33: 45,364,657 km (0.086 R)
• M34: 46,278,400 km (0.087 R)
• M35: 49,572,845 km (0.085 R)
• M36: 56,975,845 km (0.062 R)
• M37: 57,328,746 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 10,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit