🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.6

Radius: 13.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.57 AU - 0.71 AU

Year: 353 Days

Day: 9 Hours

Environment

Temp: -159 °C

Axial Tilt: 87.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,427,291 km

• M1: 171,589 km (0.08 R)
• M2: 732,282 km (0.074 R)
• M3: 1,735,186 km (0.115 R)
• M4: 2,283,163 km (0.06 R)
• M5: 3,278,587 km (0.118 R)
• M6: 4,073,550 km (0.116 R)
• M7: 4,615,543 km (0.094 R)
• M8: 5,236,374 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 14.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.1 AU - 1.2 AU

Year: 851 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 80.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,427,291 km

• M1: 175,628 km (0.102 R)
• M2: 672,293 km (0.096 R)
• M3: 1,142,928 km (0.047 R)
• M4: 1,742,067 km (0.066 R)
• M5: 2,234,543 km (0.075 R)
• M6: 3,013,799 km (0.118 R)
• M7: 3,536,643 km (0.075 R)
• M8: 4,089,258 km (0.117 R)
• M9: 4,682,713 km (0.09 R)
• M10: 5,241,909 km (0.099 R)
• M11: 6,164,479 km (0.11 R)
• M12: 8,457,964 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 15

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.03 AU - 1.31 AU

Year: 874 Days

Day: 11.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,427,291 km

• M1: 186,549 km (0.117 R)
• M2: 744,997 km (0.116 R)
• M3: 1,363,136 km (0.098 R)
• M4: 1,963,322 km (0.04 R)
• M5: 2,559,769 km (0.091 R)
• M6: 3,461,246 km (0.092 R)
• M7: 4,027,025 km (0.091 R)
• M8: 4,780,699 km (0.077 R)
• M9: 5,269,136 km (0.093 R)
• M10: 5,874,409 km (0.11 R)
• M11: 6,593,676 km (0.063 R)
• M12: 7,081,514 km (0.107 R)
• M13: 8,000,345 km (0.118 R)
• M14: 8,830,164 km (0.082 R)
• M15: 9,985,059 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.9

Radius: 10.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.29 AU - 1.59 AU

Year: 1193 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,427,291 km

• M1: 129,402 km (0.06 R)
• M2: 458,817 km (0.051 R)
• M3: 1,112,859 km (0.101 R)
• M4: 1,751,342 km (0.078 R)
• M5: 2,159,445 km (0.078 R)
• M6: 2,503,820 km (0.111 R)
• M7: 3,169,680 km (0.118 R)
• M8: 3,544,871 km (0.11 R)
• M9: 4,203,999 km (0.045 R)
• M10: 4,589,064 km (0.08 R)
• M11: 5,182,818 km (0.072 R)
• M12: 5,705,962 km (0.078 R)
• M13: 6,157,897 km (0.078 R)
• M14: 6,972,158 km (0.064 R)
• M15: 8,184,500 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 12.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.51 AU - 3.53 AU

Year: 3623 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,427,291 km

• M1: 160,818 km (0.064 R)
• M2: 664,963 km (0.087 R)
• M3: 1,101,639 km (0.103 R)
• M4: 1,617,901 km (0.114 R)
• M5: 2,191,758 km (0.091 R)
• M6: 3,445,837 km (0.052 R)
• M7: 3,862,019 km (0.086 R)
• M8: 4,382,619 km (0.116 R)
• M9: 5,105,626 km (0.116 R)
• M10: 6,600,557 km (0.092 R)
• M11: 10,056,866 km (0.117 R)
• M12: 10,609,032 km (0.115 R)
• M13: 14,677,795 km (0.116 R)
• M14: 16,122,911 km (0.113 R)
• M15: 16,703,350 km (0.084 R)
• M16: 18,091,319 km (0.056 R)
• M17: 19,101,255 km (0.112 R)
• M18: 21,302,587 km (0.065 R)
• M19: 27,332,728 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 14.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.12 AU - 4.68 AU

Year: 5316 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,427,291 km

• M1: 180,415 km (0.075 R)
• M2: 854,952 km (0.092 R)
• M3: 1,316,312 km (0.087 R)
• M4: 1,909,916 km (0.101 R)
• M5: 3,672,179 km (0.072 R)
• M6: 4,137,279 km (0.104 R)
• M7: 4,767,834 km (0.031 R)
• M8: 5,863,489 km (0.069 R)
• M9: 7,154,369 km (0.094 R)
• M10: 8,176,571 km (0.115 R)
• M11: 8,936,678 km (0.116 R)
• M12: 12,705,347 km (0.108 R)
• M13: 15,190,317 km (0.04 R)
• M14: 16,696,469 km (0.051 R)
• M15: 18,813,578 km (0.113 R)
• M16: 28,740,145 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 14.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.57 AU - 4.79 AU

Year: 6988 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,427,291 km

• M1: 175,329 km (0.107 R)
• M2: 731,833 km (0.106 R)
• M3: 1,306,139 km (0.097 R)
• M4: 2,526,558 km (0.081 R)
• M5: 3,627,599 km (0.074 R)
• M6: 4,824,531 km (0.116 R)
• M7: 5,835,065 km (0.113 R)
• M8: 6,655,460 km (0.097 R)
• M9: 7,168,730 km (0.031 R)
• M10: 7,907,743 km (0.088 R)
• M11: 8,739,956 km (0.077 R)
• M12: 9,492,733 km (0.115 R)
• M13: 10,002,413 km (0.056 R)
• M14: 10,876,214 km (0.054 R)
• M15: 11,486,573 km (0.117 R)
• M16: 11,959,303 km (0.069 R)
• M17: 12,445,047 km (0.09 R)
• M18: 14,704,124 km (0.076 R)
• M19: 18,408,916 km (0.039 R)
• M20: 19,646,688 km (0.042 R)
• M21: 20,096,529 km (0.118 R)
• M22: 21,251,574 km (0.12 R)
• M23: 22,531,833 km (0.088 R)
• M24: 23,525,312 km (0.085 R)
• M25: 26,681,379 km (0.076 R)
• M26: 30,708,553 km (0.077 R)
• M27: 39,231,742 km (0.103 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: 258 - 14,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit