🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.61 AU

Year: 278 Days

Day: 47.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,224,108 km

• M1: 22,440 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 9.6

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.56 AU - 0.82 AU

Year: 370 Days

Day: 6.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,224,108 km

• M1: 119,379 km (0.116 R)
• M2: 447,597 km (0.071 R)
• M3: 803,191 km (0.117 R)
• M4: 1,512,584 km (0.102 R)
• M5: 1,969,755 km (0.078 R)
• M6: 2,303,059 km (0.087 R)
• M7: 2,644,292 km (0.03 R)
• M8: 2,986,721 km (0.103 R)
• M9: 3,417,863 km (0.079 R)
• M10: 4,293,459 km (0.083 R)
• M11: 4,769,031 km (0.096 R)
• M12: 5,327,629 km (0.093 R)
• M13: 5,690,105 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 10.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.32 AU - 4.74 AU

Year: 5224 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,224,108 km

• M1: 132,843 km (0.05 R)
• M2: 657,183 km (0.08 R)
• M3: 1,384,678 km (0.083 R)
• M4: 1,870,273 km (0.104 R)
• M5: 4,236,313 km (0.111 R)
• M6: 4,589,363 km (0.118 R)
• M7: 5,100,240 km (0.039 R)
• M8: 7,281,078 km (0.077 R)
• M9: 9,502,158 km (0.106 R)
• M10: 9,890,214 km (0.104 R)
• M11: 11,549,105 km (0.066 R)
• M12: 15,117,912 km (0.061 R)
• M13: 17,825,484 km (0.103 R)
• M14: 18,350,273 km (0.101 R)
• M15: 27,080,356 km (0.109 R)
• M16: 29,017,050 km (0.077 R)
• M17: 30,203,960 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 12.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.94 AU - 5.16 AU

Year: 6267 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,224,108 km

• M1: 159,023 km (0.04 R)
• M2: 998,416 km (0.116 R)
• M3: 1,492,538 km (0.078 R)
• M4: 1,976,188 km (0.108 R)
• M5: 3,090,243 km (0.077 R)
• M6: 3,536,494 km (0.091 R)
• M7: 4,002,641 km (0.034 R)
• M8: 4,898,133 km (0.114 R)
• M9: 5,365,328 km (0.107 R)
• M10: 6,294,779 km (0.093 R)
• M11: 6,715,149 km (0.076 R)
• M12: 7,363,656 km (0.098 R)
• M13: 9,148,209 km (0.112 R)
• M14: 10,384,187 km (0.097 R)
• M15: 12,721,205 km (0.058 R)
• M16: 13,448,849 km (0.066 R)
• M17: 15,273,943 km (0.038 R)
• M18: 20,798,442 km (0.107 R)
• M19: 22,700,280 km (0.06 R)
• M20: 23,231,652 km (0.088 R)
• M21: 25,358,933 km (0.071 R)
• M22: 28,131,880 km (0.11 R)
• M23: 30,915,298 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984

Radius: 7.8

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.32 AU - 8.02 AU

Year: 11123 Days

Day: 20 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,224,108 km

• M1: 97,388 km (0.118 R)
• M2: 376,837 km (0.093 R)
• M3: 714,180 km (0.106 R)
• M4: 1,046,886 km (0.097 R)
• M5: 1,662,032 km (0.088 R)
• M6: 2,256,684 km (0.094 R)
• M7: 2,756,490 km (0.057 R)
• M8: 3,032,947 km (0.1 R)
• M9: 3,302,672 km (0.074 R)
• M10: 4,900,976 km (0.089 R)
• M11: 5,414,097 km (0.115 R)
• M12: 6,507,208 km (0.085 R)
• M13: 7,740,643 km (0.117 R)
• M14: 9,325,782 km (0.034 R)
• M15: 10,385,533 km (0.094 R)
• M16: 12,001,190 km (0.111 R)
• M17: 16,912,787 km (0.11 R)
• M18: 17,765,046 km (0.089 R)
• M19: 18,082,044 km (0.11 R)
• M20: 18,564,497 km (0.067 R)
• M21: 22,552,777 km (0.087 R)
• M22: 24,064,014 km (0.092 R)
• M23: 27,497,435 km (0.114 R)
• M24: 30,900,487 km (0.077 R)
• M25: 31,822,160 km (0.111 R)
• M26: 39,327,934 km (0.108 R)
• M27: 39,866,486 km (0.053 R)
• M28: 46,869,910 km (0.111 R)
• M29: 47,627,474 km (0.08 R)
• M30: 52,508,254 km (0.086 R)
• M31: 56,167,418 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.4

Radius: 3.9

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.13 AU - 9.55 AU

Year: 18430 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,224,108 km

• M1: 48,470 km (0.097 R)
• M2: 253,718 km (0.106 R)
• M3: 565,031 km (0.102 R)
• M4: 771,626 km (0.04 R)
• M5: 995,125 km (0.071 R)
• M6: 1,198,877 km (0.093 R)
• M7: 1,815,669 km (0.076 R)
• M8: 1,981,274 km (0.119 R)
• M9: 2,683,487 km (0.097 R)
• M10: 2,876,767 km (0.037 R)
• M11: 4,589,663 km (0.119 R)
• M12: 4,992,829 km (0.036 R)
• M13: 5,121,483 km (0.117 R)
• M14: 5,940,831 km (0.038 R)
• M15: 7,328,201 km (0.108 R)
• M16: 8,230,127 km (0.072 R)
• M17: 8,409,943 km (0.089 R)
• M18: 11,320,520 km (0.102 R)
• M19: 14,444,871 km (0.058 R)
• M20: 15,785,418 km (0.112 R)
• M21: 16,063,071 km (0.109 R)
• M22: 21,128,156 km (0.076 R)
• M23: 26,473,886 km (0.055 R)
• M24: 26,767,547 km (0.038 R)
• M25: 33,674,630 km (0.105 R)
• M26: 37,720,056 km (0.1 R)
• M27: 41,285,272 km (0.108 R)
• M28: 43,014,325 km (0.094 R)
• M29: 48,198,639 km (0.069 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 18,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit