🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 9.4

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.52 AU - 0.58 AU

Year: 272 Days

Day: 10.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,129,934 km

• M1: 116,836 km (0.085 R)
• M2: 424,260 km (0.119 R)
• M3: 787,334 km (0.085 R)
• M4: 1,208,302 km (0.039 R)
• M5: 1,655,151 km (0.115 R)
• M6: 2,037,523 km (0.1 R)
• M7: 2,341,506 km (0.096 R)
• M8: 3,442,397 km (0.069 R)
• M9: 4,107,958 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 11.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.73 AU

Year: 349 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,129,934 km

• M1: 139,276 km (0.083 R)
• M2: 517,309 km (0.118 R)
• M3: 882,029 km (0.077 R)
• M4: 1,371,962 km (0.042 R)
• M5: 2,007,903 km (0.099 R)
• M6: 2,883,649 km (0.095 R)
• M7: 3,606,206 km (0.081 R)
• M8: 4,645,463 km (0.07 R)
• M9: 5,002,702 km (0.104 R)
• M10: 5,458,826 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 9.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.78 AU - 1.18 AU

Year: 647 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,129,934 km

• M1: 123,119 km (0.07 R)
• M2: 445,353 km (0.114 R)
• M3: 878,588 km (0.055 R)
• M4: 1,274,873 km (0.043 R)
• M5: 1,769,144 km (0.066 R)
• M6: 2,700,990 km (0.091 R)
• M7: 3,092,936 km (0.107 R)
• M8: 3,556,540 km (0.096 R)
• M9: 4,065,921 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.6

Radius: 12.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.49 AU - 1.53 AU

Year: 1237 Days

Day: 10.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,129,934 km

• M1: 150,495 km (0.117 R)
• M2: 574,456 km (0.084 R)
• M3: 1,155,344 km (0.053 R)
• M4: 1,728,603 km (0.105 R)
• M5: 2,566,800 km (0.089 R)
• M6: 3,192,269 km (0.059 R)
• M7: 3,995,460 km (0.118 R)
• M8: 5,038,905 km (0.115 R)
• M9: 5,595,110 km (0.112 R)
• M10: 7,392,528 km (0.084 R)
• M11: 8,189,137 km (0.057 R)
• M12: 9,097,346 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715

Radius: 6.5

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.87 AU - 10.63 AU

Year: 17260 Days

Day: 18.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,129,934 km

• M1: 148,700 km (0.042 R)
• M2: 560,094 km (0.113 R)
• M3: 1,381,237 km (0.09 R)
• M4: 1,986,510 km (0.107 R)
• M5: 3,180,900 km (0.061 R)
• M6: 3,765,977 km (0.067 R)
• M7: 5,521,508 km (0.089 R)
• M8: 8,556,549 km (0.073 R)
• M9: 10,962,831 km (0.09 R)
• M10: 14,287,644 km (0.069 R)
• M11: 14,579,509 km (0.097 R)
• M12: 20,354,735 km (0.096 R)
• M13: 20,817,591 km (0.059 R)
• M14: 27,266,007 km (0.079 R)
• M15: 30,636,298 km (0.118 R)
• M16: 34,797,662 km (0.112 R)
• M17: 35,994,744 km (0.101 R)
• M18: 36,944,541 km (0.049 R)
• M19: 42,544,288 km (0.115 R)
• M20: 43,912,211 km (0.103 R)
• M21: 45,466,383 km (0.08 R)
• M22: 53,089,741 km (0.104 R)
• M23: 64,057,509 km (0.114 R)
• M24: 64,652,310 km (0.045 R)
• M25: 66,864,863 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.2

Radius: 3.3

Gravity: 54.2 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.1 AU - 12.2 AU

Year: 21564 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,129,934 km

• M1: 40,990 km (0.054 R)
• M2: 448,794 km (0.119 R)
• M3: 745,745 km (0.101 R)
• M4: 1,079,797 km (0.081 R)
• M5: 1,473,090 km (0.053 R)
• M6: 1,954,945 km (0.059 R)
• M7: 2,487,813 km (0.047 R)
• M8: 3,620,717 km (0.08 R)
• M9: 4,249,178 km (0.068 R)
• M10: 5,518,815 km (0.097 R)
• M11: 5,923,328 km (0.1 R)
• M12: 8,561,486 km (0.083 R)
• M13: 11,692,570 km (0.046 R)
• M14: 13,119,135 km (0.105 R)
• M15: 14,058,161 km (0.088 R)
• M16: 14,886,933 km (0.083 R)
• M17: 17,226,943 km (0.102 R)
• M18: 17,396,886 km (0.118 R)
• M19: 19,523,420 km (0.088 R)
• M20: 19,987,323 km (0.087 R)
• M21: 22,115,801 km (0.107 R)
• M22: 22,721,373 km (0.042 R)
• M23: 27,620,704 km (0.116 R)
• M24: 29,277,500 km (0.109 R)
• M25: 29,884,867 km (0.054 R)
• M26: 31,250,546 km (0.082 R)
• M27: 34,642,977 km (0.058 R)
• M28: 35,596,514 km (0.097 R)
• M29: 37,130,042 km (0.113 R)
• M30: 38,561,993 km (0.111 R)
• M31: 42,147,704 km (0.051 R)
• M32: 54,590,507 km (0.05 R)
• M33: 57,002,174 km (0.1 R)
• M34: 61,441,341 km (0.114 R)
• M35: 62,236,155 km (0.074 R)
• M36: 64,253,183 km (0.11 R)
• M37: 66,939,811 km (0.033 R)
• M38: 68,629,818 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 20,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit