🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 9.3

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.84 AU - 1.04 AU

Year: 598 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,920,295 km

• M1: 115,639 km (0.059 R)
• M2: 421,567 km (0.113 R)
• M3: 815,757 km (0.085 R)
• M4: 1,316,162 km (0.096 R)
• M5: 2,256,085 km (0.114 R)
• M6: 2,840,864 km (0.077 R)
• M7: 3,470,371 km (0.097 R)
• M8: 4,189,937 km (0.119 R)
• M9: 4,529,674 km (0.062 R)
• M10: 5,335,558 km (0.08 R)
• M11: 5,661,382 km (0.079 R)
• M12: 5,962,074 km (0.09 R)
• M13: 7,121,457 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 10

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.49 AU - 1.69 AU

Year: 1315 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,920,295 km

• M1: 124,316 km (0.088 R)
• M2: 722,707 km (0.105 R)
• M3: 1,441,675 km (0.059 R)
• M4: 2,195,050 km (0.082 R)
• M5: 2,519,527 km (0.105 R)
• M6: 2,931,969 km (0.067 R)
• M7: 3,530,809 km (0.028 R)
• M8: 4,281,491 km (0.109 R)
• M9: 4,891,701 km (0.036 R)
• M10: 5,386,720 km (0.099 R)
• M11: 6,075,170 km (0.074 R)
• M12: 7,151,676 km (0.088 R)
• M13: 8,938,323 km (0.116 R)
• M14: 9,710,996 km (0.103 R)
• M15: 10,261,516 km (0.041 R)
• M16: 11,004,569 km (0.096 R)
• M17: 11,855,781 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 8.5

Gravity: 13.39 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.29 AU - 2.55 AU

Year: 2470 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,920,295 km

• M1: 105,915 km (0.109 R)
• M2: 515,813 km (0.064 R)
• M3: 1,494,782 km (0.103 R)
• M4: 2,169,468 km (0.116 R)
• M5: 2,599,263 km (0.111 R)
• M6: 3,188,828 km (0.116 R)
• M7: 3,726,333 km (0.11 R)
• M8: 4,520,698 km (0.058 R)
• M9: 4,816,902 km (0.048 R)
• M10: 6,134,410 km (0.102 R)
• M11: 6,906,186 km (0.086 R)
• M12: 8,133,187 km (0.104 R)
• M13: 10,570,735 km (0.105 R)
• M14: 11,383,650 km (0.069 R)
• M15: 11,720,395 km (0.105 R)
• M16: 12,457,763 km (0.067 R)
• M17: 13,272,024 km (0.077 R)
• M18: 13,881,785 km (0.105 R)
• M19: 16,508,873 km (0.082 R)
• M20: 18,742,818 km (0.069 R)
• M21: 20,669,339 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.7

Radius: 12.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.89 AU - 3.13 AU

Year: 2609 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,920,295 km

• M1: 159,771 km (0.059 R)
• M2: 570,716 km (0.102 R)
• M3: 1,028,934 km (0.054 R)
• M4: 1,511,238 km (0.108 R)
• M5: 2,183,531 km (0.054 R)
• M6: 2,612,278 km (0.104 R)
• M7: 3,097,723 km (0.108 R)
• M8: 3,496,401 km (0.101 R)
• M9: 4,252,319 km (0.068 R)
• M10: 5,377,744 km (0.09 R)
• M11: 7,037,981 km (0.113 R)
• M12: 8,913,939 km (0.046 R)
• M13: 9,875,404 km (0.096 R)
• M14: 13,953,143 km (0.102 R)
• M15: 14,954,102 km (0.113 R)
• M16: 16,622,867 km (0.079 R)
• M17: 18,637,950 km (0.115 R)
• M18: 19,733,754 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.5

Radius: 5.4

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.34 AU - 6.6 AU

Year: 10796 Days

Day: 16.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,920,295 km

• M1: 68,366 km (0.072 R)
• M2: 288,125 km (0.074 R)
• M3: 539,450 km (0.096 R)
• M4: 1,486,404 km (0.103 R)
• M5: 1,746,705 km (0.097 R)
• M6: 2,395,062 km (0.117 R)
• M7: 2,813,936 km (0.068 R)
• M8: 3,280,233 km (0.115 R)
• M9: 3,626,552 km (0.093 R)
• M10: 4,900,826 km (0.087 R)
• M11: 6,447,818 km (0.091 R)
• M12: 6,843,504 km (0.117 R)
• M13: 7,762,783 km (0.071 R)
• M14: 8,293,856 km (0.042 R)
• M15: 8,892,397 km (0.102 R)
• M16: 11,420,900 km (0.059 R)
• M17: 13,913,350 km (0.035 R)
• M18: 15,128,982 km (0.073 R)
• M19: 15,317,176 km (0.12 R)
• M20: 16,813,005 km (0.061 R)
• M21: 18,190,652 km (0.091 R)
• M22: 19,791,050 km (0.069 R)
• M23: 20,319,280 km (0.04 R)
• M24: 21,246,787 km (0.115 R)
• M25: 23,942,242 km (0.116 R)
• M26: 25,860,685 km (0.073 R)
• M27: 28,542,975 km (0.104 R)
• M28: 31,917,005 km (0.059 R)
• M29: 32,957,757 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit