🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.53 AU - 0.73 AU

Year: 220 Days

Day: 30.1 Hours

Environment

Temp: 0 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 47,084,129 km

• M1: 52,359 km (0.116 R)
• M2: 211,382 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.92 AU

Year: 286 Days

Day: 20.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.18 AU - 2.78 AU

Year: 1717 Days

Day: 37.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 14.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.13 AU - 3.05 AU

Year: 1833 Days

Day: 13 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,084,129 km

• M1: 181,612 km (0.073 R)
• M2: 644,168 km (0.042 R)
• M3: 1,488,648 km (0.075 R)
• M4: 1,960,929 km (0.102 R)
• M5: 2,900,254 km (0.117 R)
• M6: 3,549,658 km (0.116 R)
• M7: 4,085,219 km (0.109 R)
• M8: 4,947,650 km (0.073 R)
• M9: 5,549,183 km (0.101 R)
• M10: 6,793,090 km (0.054 R)
• M11: 8,035,051 km (0.027 R)
• M12: 8,678,920 km (0.05 R)
• M13: 9,658,487 km (0.038 R)
• M14: 13,293,267 km (0.073 R)
• M15: 13,890,461 km (0.069 R)
• M16: 15,415,612 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 8.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.39 AU - 2.95 AU

Year: 1918 Days

Day: 12 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,084,129 km

• M1: 102,774 km (0.104 R)
• M2: 480,808 km (0.03 R)
• M3: 755,619 km (0.076 R)
• M4: 1,717,683 km (0.079 R)
• M5: 2,132,518 km (0.064 R)
• M6: 2,466,869 km (0.112 R)
• M7: 3,401,706 km (0.047 R)
• M8: 3,895,828 km (0.059 R)
• M9: 4,169,891 km (0.067 R)
• M10: 5,375,051 km (0.117 R)
• M11: 5,646,272 km (0.093 R)
• M12: 6,314,676 km (0.071 R)
• M13: 6,745,518 km (0.107 R)
• M14: 7,061,468 km (0.074 R)
• M15: 7,581,919 km (0.043 R)
• M16: 7,894,728 km (0.094 R)
• M17: 8,305,225 km (0.084 R)
• M18: 8,637,781 km (0.052 R)
• M19: 9,137,288 km (0.11 R)
• M20: 10,194,048 km (0.055 R)
• M21: 10,610,678 km (0.102 R)
• M22: 11,777,242 km (0.105 R)
• M23: 12,081,823 km (0.108 R)
• M24: 12,430,835 km (0.109 R)
• M25: 13,435,385 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 11.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.86 AU - 5.56 AU

Year: 5229 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 64.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,084,129 km

• M1: 138,079 km (0.089 R)
• M2: 539,749 km (0.113 R)
• M3: 965,355 km (0.054 R)
• M4: 1,333,216 km (0.084 R)
• M5: 1,877,004 km (0.096 R)
• M6: 2,240,228 km (0.104 R)
• M7: 2,616,168 km (0.032 R)
• M8: 3,351,591 km (0.093 R)
• M9: 3,779,441 km (0.103 R)
• M10: 4,772,172 km (0.042 R)
• M11: 6,690,765 km (0.087 R)
• M12: 7,163,494 km (0.067 R)
• M13: 7,730,919 km (0.065 R)
• M14: 8,599,035 km (0.115 R)
• M15: 9,077,150 km (0.117 R)
• M16: 10,086,487 km (0.05 R)
• M17: 10,983,625 km (0.106 R)
• M18: 11,835,735 km (0.073 R)
• M19: 12,278,096 km (0.098 R)
• M20: 14,049,484 km (0.078 R)
• M21: 14,434,399 km (0.04 R)
• M22: 16,465,490 km (0.119 R)
• M23: 17,644,620 km (0.105 R)
• M24: 18,352,517 km (0.109 R)
• M25: 19,688,127 km (0.059 R)
• M26: 22,852,720 km (0.092 R)
• M27: 24,635,029 km (0.059 R)
• M28: 30,352,959 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 13.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.48 AU - 9.14 AU

Year: 11498 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,084,129 km

• M1: 170,392 km (0.054 R)
• M2: 737,218 km (0.1 R)
• M3: 1,212,640 km (0.083 R)
• M4: 2,058,766 km (0.104 R)
• M5: 3,004,374 km (0.099 R)
• M6: 4,141,318 km (0.091 R)
• M7: 4,823,783 km (0.084 R)
• M8: 5,747,849 km (0.102 R)
• M9: 6,378,704 km (0.1 R)
• M10: 7,133,425 km (0.112 R)
• M11: 7,989,274 km (0.083 R)
• M12: 8,731,429 km (0.094 R)
• M13: 13,211,437 km (0.109 R)
• M14: 17,120,579 km (0.111 R)
• M15: 17,549,775 km (0.106 R)
• M16: 21,410,447 km (0.068 R)
• M17: 23,363,447 km (0.102 R)
• M18: 28,411,029 km (0.072 R)
• M19: 29,317,742 km (0.097 R)
• M20: 30,556,412 km (0.039 R)
• M21: 31,829,640 km (0.082 R)
• M22: 35,861,901 km (0.1 R)
• M23: 36,683,791 km (0.073 R)
• M24: 39,721,675 km (0.109 R)
• M25: 40,348,790 km (0.117 R)
• M26: 40,855,178 km (0.106 R)
• M27: 43,186,960 km (0.111 R)
• M28: 44,117,160 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 11.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.51 AU - 10.17 AU

Year: 11557 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,084,129 km

• M1: 142,118 km (0.115 R)
• M2: 690,843 km (0.105 R)
• M3: 1,298,510 km (0.096 R)
• M4: 2,189,066 km (0.12 R)
• M5: 2,717,595 km (0.084 R)
• M6: 3,594,837 km (0.061 R)
• M7: 4,195,323 km (0.089 R)
• M8: 4,861,632 km (0.106 R)
• M9: 5,300,851 km (0.095 R)
• M10: 6,934,460 km (0.057 R)
• M11: 10,180,285 km (0.11 R)
• M12: 11,221,486 km (0.066 R)
• M13: 17,014,065 km (0.109 R)
• M14: 17,372,502 km (0.093 R)
• M15: 17,882,780 km (0.102 R)
• M16: 18,253,483 km (0.07 R)
• M17: 25,367,012 km (0.111 R)
• M18: 33,908,452 km (0.036 R)
• M19: 34,820,999 km (0.09 R)
• M20: 39,007,046 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit