🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.5

Radius: 8.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.51 AU - 0.79 AU

Year: 362 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,987,122 km

• M1: 106,962 km (0.049 R)
• M2: 437,574 km (0.086 R)
• M3: 743,651 km (0.109 R)
• M4: 1,254,677 km (0.075 R)
• M5: 1,743,563 km (0.114 R)
• M6: 2,255,936 km (0.109 R)
• M7: 2,846,399 km (0.093 R)
• M8: 3,152,626 km (0.112 R)
• M9: 3,426,539 km (0.05 R)
• M10: 3,879,073 km (0.044 R)
• M11: 4,358,235 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 13.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1 AU - 1.12 AU

Year: 753 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,987,122 km

• M1: 163,062 km (0.081 R)
• M2: 580,589 km (0.109 R)
• M3: 991,684 km (0.043 R)
• M4: 2,035,129 km (0.036 R)
• M5: 3,946,691 km (0.12 R)
• M6: 4,644,864 km (0.097 R)
• M7: 5,197,479 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 13.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.42 AU - 2.44 AU

Year: 2615 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,987,122 km

• M1: 169,943 km (0.098 R)
• M2: 633,547 km (0.079 R)
• M3: 1,203,365 km (0.112 R)
• M4: 2,138,651 km (0.108 R)
• M5: 2,850,139 km (0.071 R)
• M6: 3,497,000 km (0.058 R)
• M7: 3,942,652 km (0.037 R)
• M8: 4,405,508 km (0.066 R)
• M9: 5,687,262 km (0.068 R)
• M10: 7,029,903 km (0.104 R)
• M11: 7,683,945 km (0.1 R)
• M12: 8,216,813 km (0.08 R)
• M13: 8,774,214 km (0.041 R)
• M14: 9,604,183 km (0.093 R)
• M15: 10,223,219 km (0.117 R)
• M16: 10,985,570 km (0.066 R)
• M17: 11,744,630 km (0.091 R)
• M18: 12,410,639 km (0.082 R)
• M19: 14,750,948 km (0.096 R)
• M20: 16,949,738 km (0.059 R)
• M21: 17,855,104 km (0.043 R)
• M22: 18,736,535 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 12.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.52 AU - 3.62 AU

Year: 3713 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,987,122 km

• M1: 153,039 km (0.099 R)
• M2: 640,578 km (0.115 R)
• M3: 1,053,468 km (0.083 R)
• M4: 1,893,909 km (0.093 R)
• M5: 2,529,999 km (0.079 R)
• M6: 3,025,467 km (0.088 R)
• M7: 3,814,895 km (0.106 R)
• M8: 7,331,193 km (0.096 R)
• M9: 8,842,880 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 11.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.31 AU - 4.49 AU

Year: 6371 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,987,122 km

• M1: 147,055 km (0.104 R)
• M2: 542,442 km (0.098 R)
• M3: 1,009,038 km (0.064 R)
• M4: 1,367,025 km (0.111 R)
• M5: 1,941,631 km (0.071 R)
• M6: 2,527,157 km (0.11 R)
• M7: 3,291,303 km (0.067 R)
• M8: 5,246,697 km (0.043 R)
• M9: 6,420,890 km (0.113 R)
• M10: 7,457,753 km (0.112 R)
• M11: 7,840,125 km (0.069 R)
• M12: 8,235,512 km (0.107 R)
• M13: 8,685,952 km (0.047 R)
• M14: 9,282,847 km (0.116 R)
• M15: 9,861,492 km (0.094 R)
• M16: 11,640,958 km (0.054 R)
• M17: 12,104,413 km (0.032 R)
• M18: 14,846,990 km (0.109 R)
• M19: 15,209,167 km (0.057 R)
• M20: 16,716,964 km (0.111 R)
• M21: 18,184,668 km (0.037 R)
• M22: 19,233,499 km (0.1 R)
• M23: 21,914,742 km (0.068 R)
• M24: 22,861,397 km (0.055 R)
• M25: 23,917,408 km (0.102 R)
• M26: 25,175,826 km (0.028 R)
• M27: 29,500,102 km (0.111 R)
• M28: 31,937,350 km (0.116 R)
• M29: 35,035,821 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 14.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.71 AU - 5.73 AU

Year: 7078 Days

Day: 11.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,987,122 km

• M1: 179,069 km (0.093 R)
• M2: 883,226 km (0.086 R)
• M3: 2,150,619 km (0.09 R)
• M4: 2,769,206 km (0.094 R)
• M5: 3,406,643 km (0.104 R)
• M6: 4,029,718 km (0.065 R)
• M7: 4,852,357 km (0.106 R)
• M8: 5,561,450 km (0.097 R)
• M9: 6,864,747 km (0.092 R)
• M10: 7,691,275 km (0.093 R)
• M11: 8,657,528 km (0.089 R)
• M12: 9,906,072 km (0.094 R)
• M13: 14,164,525 km (0.112 R)
• M14: 15,895,073 km (0.088 R)
• M15: 16,579,184 km (0.103 R)
• M16: 17,702,365 km (0.106 R)
• M17: 19,643,098 km (0.109 R)
• M18: 22,994,539 km (0.112 R)
• M19: 26,156,290 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.8

Radius: 6.4

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.95 AU - 8.75 AU

Year: 13754 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,987,122 km

• M1: 79,736 km (0.118 R)
• M2: 292,015 km (0.065 R)
• M3: 505,491 km (0.077 R)
• M4: 1,399,787 km (0.083 R)
• M5: 2,115,912 km (0.096 R)
• M6: 2,534,786 km (0.106 R)
• M7: 3,030,254 km (0.109 R)
• M8: 3,337,678 km (0.089 R)
• M9: 4,656,982 km (0.072 R)
• M10: 4,938,375 km (0.047 R)
• M11: 5,432,796 km (0.116 R)
• M12: 7,488,271 km (0.098 R)
• M13: 7,918,814 km (0.11 R)
• M14: 12,036,944 km (0.064 R)
• M15: 13,237,916 km (0.038 R)
• M16: 13,995,629 km (0.119 R)
• M17: 14,781,915 km (0.102 R)
• M18: 18,454,393 km (0.034 R)
• M19: 24,237,847 km (0.096 R)
• M20: 25,755,218 km (0.105 R)
• M21: 27,234,292 km (0.063 R)
• M22: 28,978,005 km (0.114 R)
• M23: 29,293,208 km (0.112 R)
• M24: 31,786,556 km (0.079 R)
• M25: 35,846,941 km (0.105 R)
• M26: 37,315,094 km (0.096 R)
• M27: 38,695,584 km (0.098 R)
• M28: 42,904,669 km (0.084 R)
• M29: 47,846,785 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 15,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit