🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 9.9

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.13 AU - 1.69 AU

Year: 1081 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,053,201 km

• M1: 123,119 km (0.079 R)
• M2: 468,840 km (0.106 R)
• M3: 839,842 km (0.03 R)
• M4: 1,148,762 km (0.118 R)
• M5: 1,518,718 km (0.096 R)
• M6: 1,887,476 km (0.103 R)
• M7: 2,362,450 km (0.056 R)
• M8: 3,889,545 km (0.103 R)
• M9: 4,681,665 km (0.09 R)
• M10: 5,267,191 km (0.115 R)
• M11: 5,922,580 km (0.114 R)
• M12: 6,726,967 km (0.08 R)
• M13: 7,193,264 km (0.118 R)
• M14: 8,467,987 km (0.101 R)
• M15: 8,837,644 km (0.097 R)
• M16: 9,794,023 km (0.053 R)
• M17: 11,084,753 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.9

Radius: 9.5

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.13 AU - 1.73 AU

Year: 1104 Days

Day: 8 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,053,201 km

• M1: 118,482 km (0.112 R)
• M2: 465,399 km (0.094 R)
• M3: 788,830 km (0.084 R)
• M4: 1,148,912 km (0.075 R)
• M5: 1,525,599 km (0.103 R)
• M6: 1,866,233 km (0.103 R)
• M7: 2,780,127 km (0.113 R)
• M8: 3,097,574 km (0.084 R)
• M9: 4,016,104 km (0.1 R)
• M10: 5,048,330 km (0.116 R)
• M11: 5,751,589 km (0.04 R)
• M12: 6,182,132 km (0.04 R)
• M13: 7,035,139 km (0.07 R)
• M14: 8,043,429 km (0.081 R)
• M15: 8,720,808 km (0.108 R)
• M16: 9,260,707 km (0.09 R)
• M17: 9,792,527 km (0.102 R)
• M18: 10,628,330 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.4

Radius: 13.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.3 AU - 2.86 AU

Year: 2676 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,053,201 km

• M1: 172,935 km (0.037 R)
• M2: 695,481 km (0.111 R)
• M3: 1,137,542 km (0.113 R)
• M4: 2,014,485 km (0.117 R)
• M5: 2,503,371 km (0.084 R)
• M6: 3,274,697 km (0.098 R)
• M7: 4,693,783 km (0.112 R)
• M8: 6,015,630 km (0.102 R)
• M9: 8,740,854 km (0.118 R)
• M10: 9,253,526 km (0.044 R)
• M11: 10,374,612 km (0.096 R)
• M12: 12,086,162 km (0.113 R)
• M13: 15,407,683 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 9.2

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.27 AU - 2.95 AU

Year: 2723 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,053,201 km

• M1: 114,442 km (0.087 R)
• M2: 638,035 km (0.096 R)
• M3: 1,185,114 km (0.08 R)
• M4: 2,293,335 km (0.036 R)
• M5: 3,031,900 km (0.075 R)
• M6: 4,088,061 km (0.084 R)
• M7: 5,071,667 km (0.116 R)
• M8: 5,372,508 km (0.087 R)
• M9: 7,184,438 km (0.099 R)
• M10: 7,597,029 km (0.068 R)
• M11: 8,126,605 km (0.084 R)
• M12: 9,596,404 km (0.059 R)
• M13: 10,294,577 km (0.064 R)
• M14: 10,943,383 km (0.077 R)
• M15: 14,804,953 km (0.067 R)
• M16: 16,002,484 km (0.068 R)
• M17: 16,983,846 km (0.108 R)
• M18: 18,530,389 km (0.11 R)
• M19: 20,482,492 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 14.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.31 AU - 5.19 AU

Year: 5657 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,053,201 km

• M1: 176,675 km (0.113 R)
• M2: 679,324 km (0.076 R)
• M3: 1,520,214 km (0.107 R)
• M4: 2,145,981 km (0.06 R)
• M5: 3,155,468 km (0.039 R)
• M6: 3,655,125 km (0.114 R)
• M7: 4,312,159 km (0.081 R)
• M8: 4,770,676 km (0.118 R)
• M9: 6,075,469 km (0.109 R)
• M10: 9,382,030 km (0.074 R)
• M11: 10,309,388 km (0.103 R)
• M12: 12,652,390 km (0.104 R)
• M13: 16,990,728 km (0.05 R)
• M14: 18,199,179 km (0.083 R)
• M15: 18,882,094 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14

Radius: 6.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.48 AU - 7.16 AU

Year: 11500 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,053,201 km

• M1: 78,389 km (0.106 R)
• M2: 359,932 km (0.075 R)
• M3: 756,965 km (0.042 R)
• M4: 1,057,208 km (0.089 R)
• M5: 3,406,194 km (0.074 R)
• M6: 7,995,408 km (0.076 R)
• M7: 8,557,896 km (0.086 R)
• M8: 9,305,736 km (0.04 R)
• M9: 11,002,175 km (0.067 R)
• M10: 12,617,533 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 6.3

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.75 AU - 8.91 AU

Year: 12814 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,053,201 km

• M1: 78,389 km (0.048 R)
• M2: 360,980 km (0.037 R)
• M3: 577,897 km (0.099 R)
• M4: 1,283,400 km (0.075 R)
• M5: 2,081,804 km (0.102 R)
• M6: 3,515,101 km (0.093 R)
• M7: 3,882,065 km (0.034 R)
• M8: 4,274,161 km (0.087 R)
• M9: 4,723,403 km (0.064 R)
• M10: 5,610,668 km (0.032 R)
• M11: 5,893,707 km (0.112 R)
• M12: 6,412,064 km (0.098 R)
• M13: 6,800,570 km (0.087 R)
• M14: 8,105,063 km (0.085 R)
• M15: 8,375,536 km (0.067 R)
• M16: 8,934,733 km (0.112 R)
• M17: 9,272,226 km (0.109 R)
• M18: 11,705,734 km (0.096 R)
• M19: 13,503,901 km (0.119 R)
• M20: 13,948,505 km (0.112 R)
• M21: 14,337,310 km (0.114 R)
• M22: 14,934,206 km (0.05 R)
• M23: 17,562,790 km (0.109 R)
• M24: 18,092,516 km (0.037 R)
• M25: 19,827,103 km (0.032 R)
• M26: 20,650,939 km (0.082 R)
• M27: 22,366,826 km (0.078 R)
• M28: 22,632,213 km (0.057 R)
• M29: 31,715,945 km (0.099 R)
• M30: 33,529,820 km (0.108 R)
• M31: 36,378,612 km (0.067 R)
• M32: 40,816,433 km (0.065 R)
• M33: 41,212,717 km (0.104 R)
• M34: 49,239,990 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 18,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit