🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 10.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.77 AU - 1.03 AU

Year: 551 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,740,098 km

• M1: 130,599 km (0.062 R)
• M2: 486,193 km (0.113 R)
• M3: 865,424 km (0.046 R)
• M4: 1,274,873 km (0.117 R)
• M5: 1,645,427 km (0.116 R)
• M6: 2,204,624 km (0.113 R)
• M7: 3,473,812 km (0.077 R)
• M8: 3,809,659 km (0.07 R)
• M9: 4,562,286 km (0.052 R)
• M10: 4,902,621 km (0.055 R)
• M11: 5,462,267 km (0.114 R)
• M12: 5,810,980 km (0.091 R)
• M13: 6,137,552 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 9.6

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.15 AU - 3.21 AU

Year: 2833 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,740,098 km

• M1: 119,678 km (0.117 R)
• M2: 470,635 km (0.03 R)
• M3: 771,925 km (0.111 R)
• M4: 1,072,318 km (0.066 R)
• M5: 1,501,963 km (0.108 R)
• M6: 1,935,796 km (0.104 R)
• M7: 2,698,147 km (0.086 R)
• M8: 3,057,780 km (0.088 R)
• M9: 3,648,542 km (0.054 R)
• M10: 4,807,776 km (0.109 R)
• M11: 5,244,153 km (0.116 R)
• M12: 6,911,870 km (0.112 R)
• M13: 7,230,663 km (0.112 R)
• M14: 8,705,250 km (0.037 R)
• M15: 9,999,870 km (0.118 R)
• M16: 11,906,046 km (0.111 R)
• M17: 12,238,901 km (0.081 R)
• M18: 12,577,890 km (0.077 R)
• M19: 12,923,162 km (0.098 R)
• M20: 14,650,269 km (0.087 R)
• M21: 15,569,398 km (0.101 R)
• M22: 16,732,671 km (0.112 R)
• M23: 17,629,062 km (0.042 R)
• M24: 18,335,912 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 9.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.47 AU - 4.75 AU

Year: 5380 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,740,098 km

• M1: 113,096 km (0.067 R)
• M2: 532,718 km (0.062 R)
• M3: 926,609 km (0.041 R)
• M4: 1,217,128 km (0.12 R)
• M5: 2,175,901 km (0.119 R)
• M6: 3,059,576 km (0.118 R)
• M7: 3,593,490 km (0.077 R)
• M8: 4,142,066 km (0.109 R)
• M9: 4,497,361 km (0.117 R)
• M10: 5,517,469 km (0.106 R)
• M11: 6,401,891 km (0.038 R)
• M12: 7,108,292 km (0.03 R)
• M13: 8,790,670 km (0.083 R)
• M14: 10,162,632 km (0.091 R)
• M15: 11,672,224 km (0.073 R)
• M16: 12,578,039 km (0.09 R)
• M17: 13,224,452 km (0.105 R)
• M18: 14,800,316 km (0.116 R)
• M19: 17,699,223 km (0.065 R)
• M20: 20,478,004 km (0.106 R)
• M21: 21,302,587 km (0.076 R)
• M22: 23,312,435 km (0.094 R)
• M23: 24,439,655 km (0.104 R)
• M24: 24,746,330 km (0.117 R)
• M25: 25,133,190 km (0.087 R)
• M26: 25,998,614 km (0.031 R)
• M27: 27,292,636 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 14.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.38 AU - 5 AU

Year: 6558 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,740,098 km

• M1: 189,092 km (0.119 R)
• M2: 826,229 km (0.086 R)
• M3: 1,426,715 km (0.118 R)
• M4: 3,290,256 km (0.045 R)
• M5: 3,929,786 km (0.067 R)
• M6: 4,964,106 km (0.085 R)
• M7: 5,657,791 km (0.1 R)
• M8: 6,525,160 km (0.051 R)
• M9: 7,540,181 km (0.11 R)
• M10: 9,170,200 km (0.113 R)
• M11: 9,884,081 km (0.114 R)
• M12: 11,667,736 km (0.1 R)
• M13: 13,521,104 km (0.083 R)
• M14: 14,211,798 km (0.104 R)
• M15: 16,477,607 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.9

Radius: 6.4

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.87 AU - 7.31 AU

Year: 9704 Days

Day: 16.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,740,098 km

• M1: 79,736 km (0.098 R)
• M2: 317,596 km (0.048 R)
• M3: 887,265 km (0.07 R)
• M4: 1,967,212 km (0.113 R)
• M5: 2,867,342 km (0.088 R)
• M6: 3,168,932 km (0.096 R)
• M7: 3,420,555 km (0.109 R)
• M8: 4,795,809 km (0.07 R)
• M9: 5,672,153 km (0.038 R)
• M10: 7,026,163 km (0.111 R)
• M11: 7,860,620 km (0.1 R)
• M12: 11,119,311 km (0.086 R)
• M13: 11,381,705 km (0.099 R)
• M14: 13,277,260 km (0.113 R)
• M15: 15,897,317 km (0.09 R)
• M16: 20,054,791 km (0.099 R)
• M17: 23,567,499 km (0.106 R)
• M18: 25,696,127 km (0.088 R)
• M19: 26,995,385 km (0.037 R)
• M20: 30,433,742 km (0.101 R)
• M21: 35,722,176 km (0.118 R)
• M22: 40,592,335 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.1

Radius: 5.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.33 AU - 10.89 AU

Year: 17754 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,740,098 km

• M1: 89,011 km (0.073 R)
• M2: 369,656 km (0.075 R)
• M3: 616,044 km (0.059 R)
• M4: 901,776 km (0.089 R)
• M5: 1,262,756 km (0.071 R)
• M6: 1,453,343 km (0.069 R)
• M7: 3,402,155 km (0.056 R)
• M8: 4,976,074 km (0.089 R)
• M9: 8,028,319 km (0.084 R)
• M10: 9,259,510 km (0.113 R)
• M11: 9,682,273 km (0.104 R)
• M12: 14,083,592 km (0.045 R)
• M13: 18,179,432 km (0.076 R)
• M14: 20,426,243 km (0.074 R)
• M15: 20,782,136 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,848 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit