🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 8.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.75 AU - 0.97 AU

Year: 551 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,384,484 km

• M1: 110,702 km (0.119 R)
• M2: 387,758 km (0.065 R)
• M3: 724,203 km (0.092 R)
• M4: 1,425,518 km (0.03 R)
• M5: 1,943,426 km (0.089 R)
• M6: 2,562,761 km (0.103 R)
• M7: 2,918,804 km (0.106 R)
• M8: 3,820,131 km (0.072 R)
• M9: 4,701,562 km (0.054 R)
• M10: 5,562,198 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 14.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.05 AU - 1.29 AU

Year: 874 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 92,384,484 km

• M1: 181,612 km (0.117 R)
• M2: 1,882,689 km (0.102 R)
• M3: 2,575,327 km (0.069 R)
• M4: 3,128,391 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 11.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.98 AU - 2.02 AU

Year: 1952 Days

Day: 9.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,384,484 km

• M1: 144,212 km (0.042 R)
• M2: 531,970 km (0.077 R)
• M3: 973,882 km (0.105 R)
• M4: 1,549,535 km (0.117 R)
• M5: 2,052,483 km (0.083 R)
• M6: 2,420,942 km (0.067 R)
• M7: 2,790,599 km (0.079 R)
• M8: 3,491,913 km (0.119 R)
• M9: 4,003,987 km (0.047 R)
• M10: 4,366,163 km (0.116 R)
• M11: 4,834,106 km (0.118 R)
• M12: 5,245,799 km (0.066 R)
• M13: 6,808,349 km (0.058 R)
• M14: 8,505,686 km (0.078 R)
• M15: 10,186,568 km (0.066 R)
• M16: 11,423,892 km (0.079 R)
• M17: 12,596,590 km (0.091 R)
• M18: 13,379,734 km (0.094 R)
• M19: 13,761,957 km (0.087 R)
• M20: 15,410,525 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.8

Radius: 10.9

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.86 AU - 5.96 AU

Year: 8686 Days

Day: 8.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,384,484 km

• M1: 135,536 km (0.104 R)
• M2: 499,657 km (0.09 R)
• M3: 1,005,298 km (0.046 R)
• M4: 1,395,748 km (0.067 R)
• M5: 1,857,407 km (0.105 R)
• M6: 3,462,293 km (0.084 R)
• M7: 4,098,982 km (0.084 R)
• M8: 4,722,206 km (0.11 R)
• M9: 5,246,098 km (0.053 R)
• M10: 6,633,170 km (0.111 R)
• M11: 7,211,964 km (0.059 R)
• M12: 11,202,337 km (0.047 R)
• M13: 14,284,652 km (0.088 R)
• M14: 18,559,411 km (0.049 R)
• M15: 19,013,740 km (0.06 R)
• M16: 19,397,907 km (0.058 R)
• M17: 20,023,525 km (0.083 R)
• M18: 22,319,254 km (0.07 R)
• M19: 23,180,040 km (0.062 R)
• M20: 23,973,657 km (0.118 R)
• M21: 25,801,893 km (0.118 R)
• M22: 29,426,200 km (0.104 R)
• M23: 32,933,223 km (0.059 R)
• M24: 38,518,011 km (0.087 R)
• M25: 40,638,262 km (0.116 R)
• M26: 44,433,111 km (0.046 R)
• M27: 44,974,356 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.6

Radius: 7.2

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.85 AU - 8.31 AU

Year: 14405 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 92,384,484 km

• M1: 93,648 km (0.074 R)
• M2: 335,099 km (0.069 R)
• M3: 598,092 km (0.055 R)
• M4: 968,197 km (0.098 R)
• M5: 2,035,279 km (0.06 R)
• M6: 3,029,806 km (0.116 R)
• M7: 4,095,391 km (0.1 R)
• M8: 5,317,008 km (0.077 R)
• M9: 5,618,447 km (0.044 R)
• M10: 9,566,485 km (0.068 R)
• M11: 10,127,028 km (0.06 R)
• M12: 10,888,331 km (0.096 R)
• M13: 11,499,439 km (0.088 R)
• M14: 12,004,631 km (0.052 R)
• M15: 16,354,937 km (0.073 R)
• M16: 17,649,108 km (0.079 R)
• M17: 18,406,372 km (0.118 R)
• M18: 20,257,347 km (0.077 R)
• M19: 20,623,413 km (0.114 R)
• M20: 21,087,316 km (0.09 R)
• M21: 25,686,702 km (0.109 R)
• M22: 26,223,609 km (0.083 R)
• M23: 27,431,313 km (0.059 R)
• M24: 33,137,275 km (0.112 R)
• M25: 34,030,374 km (0.112 R)
• M26: 38,458,022 km (0.104 R)
• M27: 42,953,438 km (0.101 R)
• M28: 47,464,712 km (0.1 R)
• M29: 48,762,473 km (0.069 R)
• M30: 57,232,405 km (0.108 R)
• M31: 59,821,047 km (0.097 R)
• M32: 64,833,623 km (0.109 R)
• M33: 68,463,316 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.3

Radius: 5.6

Gravity: 30.75 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.17 AU - 12.27 AU

Year: 22552 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,384,484 km

• M1: 70,161 km (0.105 R)
• M2: 254,316 km (0.099 R)
• M3: 876,644 km (0.087 R)
• M4: 1,135,298 km (0.115 R)
• M5: 1,410,708 km (0.095 R)
• M6: 1,866,533 km (0.106 R)
• M7: 2,927,630 km (0.073 R)
• M8: 3,417,414 km (0.108 R)
• M9: 3,730,073 km (0.082 R)
• M10: 4,305,277 km (0.086 R)
• M11: 5,802,303 km (0.079 R)
• M12: 6,156,850 km (0.11 R)
• M13: 6,478,785 km (0.106 R)
• M14: 6,909,028 km (0.097 R)
• M15: 7,879,918 km (0.117 R)
• M16: 9,715,335 km (0.066 R)
• M17: 18,932,957 km (0.098 R)
• M18: 19,417,355 km (0.109 R)
• M19: 22,499,370 km (0.089 R)
• M20: 27,586,595 km (0.112 R)
• M21: 30,002,003 km (0.094 R)
• M22: 31,462,975 km (0.114 R)
• M23: 36,277,633 km (0.075 R)
• M24: 46,279,298 km (0.097 R)
• M25: 59,403,669 km (0.113 R)
• M26: 77,727,912 km (0.131 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: 320 - 15,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit