🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 256 Days

Day: 16.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 19.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 9.2

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.91 AU - 2.11 AU

Year: 1840 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,158,120 km

• M1: 114,442 km (0.085 R)
• M2: 415,882 km (0.117 R)
• M3: 704,456 km (0.108 R)
• M4: 1,373,608 km (0.109 R)
• M5: 1,876,855 km (0.095 R)
• M6: 4,093,297 km (0.086 R)
• M7: 4,585,175 km (0.095 R)
• M8: 6,300,614 km (0.03 R)
• M9: 7,093,931 km (0.052 R)
• M10: 7,833,992 km (0.058 R)
• M11: 8,375,985 km (0.105 R)
• M12: 8,878,334 km (0.091 R)
• M13: 9,467,600 km (0.064 R)
• M14: 9,909,064 km (0.042 R)
• M15: 10,615,166 km (0.112 R)
• M16: 11,814,193 km (0.086 R)
• M17: 12,811,861 km (0.07 R)
• M18: 13,778,562 km (0.09 R)
• M19: 14,479,129 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.9

Radius: 11.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.27 AU - 2.43 AU

Year: 2326 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,158,120 km

• M1: 141,819 km (0.072 R)
• M2: 508,483 km (0.034 R)
• M3: 897,737 km (0.114 R)
• M4: 2,495,891 km (0.058 R)
• M5: 3,365,802 km (0.11 R)
• M6: 3,742,490 km (0.115 R)
• M7: 5,431,599 km (0.087 R)
• M8: 6,707,520 km (0.057 R)
• M9: 7,552,598 km (0.094 R)
• M10: 7,915,672 km (0.084 R)
• M11: 8,319,586 km (0.08 R)
• M12: 8,859,336 km (0.056 R)
• M13: 9,422,272 km (0.081 R)
• M14: 12,758,604 km (0.047 R)
• M15: 13,681,473 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 11.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.13 AU - 2.75 AU

Year: 2461 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,158,120 km

• M1: 148,102 km (0.092 R)
• M2: 530,175 km (0.119 R)
• M3: 938,128 km (0.105 R)
• M4: 1,824,645 km (0.098 R)
• M5: 2,573,831 km (0.1 R)
• M6: 3,699,406 km (0.116 R)
• M7: 4,188,591 km (0.114 R)
• M8: 6,203,225 km (0.073 R)
• M9: 7,863,163 km (0.07 R)
• M10: 8,437,918 km (0.118 R)
• M11: 10,952,060 km (0.1 R)
• M12: 11,853,986 km (0.094 R)
• M13: 13,238,813 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 13.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.25 AU - 2.97 AU

Year: 2723 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,158,120 km

• M1: 171,589 km (0.119 R)
• M2: 619,485 km (0.092 R)
• M3: 1,181,075 km (0.097 R)
• M4: 1,630,766 km (0.1 R)
• M5: 3,868,003 km (0.095 R)
• M6: 4,646,061 km (0.054 R)
• M7: 5,550,829 km (0.1 R)
• M8: 6,085,043 km (0.084 R)
• M9: 6,542,513 km (0.086 R)
• M10: 7,649,089 km (0.083 R)
• M11: 8,377,331 km (0.098 R)
• M12: 9,082,236 km (0.056 R)
• M13: 9,899,340 km (0.048 R)
• M14: 11,436,608 km (0.089 R)
• M15: 14,692,306 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 15

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.43 AU - 3.63 AU

Year: 4282 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,158,120 km

• M1: 186,698 km (0.056 R)
• M2: 894,296 km (0.097 R)
• M3: 1,595,910 km (0.092 R)
• M4: 2,210,458 km (0.115 R)
• M5: 3,969,430 km (0.056 R)
• M6: 4,750,630 km (0.052 R)
• M7: 5,267,341 km (0.057 R)
• M8: 5,931,556 km (0.12 R)
• M9: 6,771,697 km (0.114 R)
• M10: 8,335,893 km (0.051 R)
• M11: 8,834,652 km (0.075 R)
• M12: 9,353,457 km (0.067 R)
• M13: 11,989,821 km (0.064 R)
• M14: 12,766,383 km (0.064 R)
• M15: 13,869,967 km (0.036 R)
• M16: 14,521,465 km (0.057 R)
• M17: 16,543,729 km (0.11 R)
• M18: 17,276,908 km (0.031 R)
• M19: 18,327,684 km (0.119 R)
• M20: 19,482,729 km (0.11 R)
• M21: 20,815,197 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 13.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.18 AU - 4.6 AU

Year: 4954 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,158,120 km

• M1: 165,605 km (0.115 R)
• M2: 600,486 km (0.117 R)
• M3: 1,034,320 km (0.097 R)
• M4: 1,713,344 km (0.061 R)
• M5: 3,133,028 km (0.074 R)
• M6: 4,158,222 km (0.117 R)
• M7: 5,146,616 km (0.079 R)
• M8: 6,223,720 km (0.103 R)
• M9: 6,832,584 km (0.06 R)
• M10: 7,729,872 km (0.101 R)
• M11: 8,510,922 km (0.053 R)
• M12: 10,897,307 km (0.118 R)
• M13: 11,783,525 km (0.07 R)
• M14: 12,667,050 km (0.078 R)
• M15: 14,566,045 km (0.065 R)
• M16: 15,992,012 km (0.088 R)
• M17: 22,046,388 km (0.095 R)
• M18: 22,710,154 km (0.104 R)
• M19: 27,566,549 km (0.082 R)
• M20: 28,946,590 km (0.115 R)
• M21: 29,832,059 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.1

Radius: 7.1

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.88 AU - 13.1 AU

Year: 21937 Days

Day: 19.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,158,120 km

• M1: 88,263 km (0.112 R)
• M2: 760,855 km (0.115 R)
• M3: 1,063,192 km (0.059 R)
• M4: 1,444,667 km (0.047 R)
• M5: 1,676,693 km (0.115 R)
• M6: 2,768,309 km (0.102 R)
• M7: 3,979,004 km (0.074 R)
• M8: 4,899,779 km (0.119 R)
• M9: 5,955,342 km (0.077 R)
• M10: 7,490,814 km (0.082 R)
• M11: 8,193,775 km (0.12 R)
• M12: 8,668,299 km (0.089 R)
• M13: 9,672,400 km (0.076 R)
• M14: 9,905,623 km (0.092 R)
• M15: 13,579,448 km (0.073 R)
• M16: 14,775,782 km (0.104 R)
• M17: 15,637,914 km (0.097 R)
• M18: 15,878,916 km (0.115 R)
• M19: 20,362,514 km (0.081 R)
• M20: 24,744,385 km (0.107 R)
• M21: 31,468,211 km (0.049 R)
• M22: 34,223,954 km (0.109 R)
• M23: 35,591,129 km (0.087 R)
• M24: 39,612,020 km (0.117 R)
• M25: 42,976,177 km (0.09 R)
• M26: 45,702,748 km (0.098 R)
• M27: 50,967,546 km (0.083 R)
• M28: 54,386,306 km (0.11 R)
• M29: 55,683,469 km (0.111 R)
• M30: 67,023,436 km (0.106 R)
• M31: 72,894,255 km (0.046 R)
• M32: 77,690,662 km (0.066 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: 427 - 13,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit