🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.61 AU - 0.97 AU

Year: 266 Days

Day: 45.9 Hours

Environment

Temp: 104 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.88 AU - 0.88 AU

Year: 313 Days

Day: 13.8 Hours

Environment

Temp: 40 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.76 AU - 1.22 AU

Year: 373 Days

Day: 18.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.88 AU - 1.2 AU

Year: 402 Days

Day: 35 Hours

Environment

Temp: 11 °C

Axial Tilt: 44.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,875,794 km

• M1: 330,462 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.36 AU - 4.12 AU

Year: 2739 Days

Day: 38 Hours

Environment

Temp: -133 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 9.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.09 AU - 5.69 AU

Year: 4096 Days

Day: 6.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,875,794 km

• M1: 115,190 km (0.115 R)
• M2: 477,666 km (0.109 R)
• M3: 791,672 km (0.109 R)
• M4: 1,190,051 km (0.103 R)
• M5: 1,852,470 km (0.113 R)
• M6: 2,215,096 km (0.088 R)
• M7: 3,134,075 km (0.064 R)
• M8: 3,526,770 km (0.097 R)
• M9: 5,413,049 km (0.093 R)
• M10: 5,753,684 km (0.115 R)
• M11: 6,451,408 km (0.097 R)
• M12: 6,947,176 km (0.036 R)
• M13: 9,188,301 km (0.052 R)
• M14: 12,241,295 km (0.082 R)
• M15: 14,616,460 km (0.039 R)
• M16: 15,912,277 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 8.1

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.59 AU - 7.23 AU

Year: 5442 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,875,794 km

• M1: 100,829 km (0.111 R)
• M2: 397,930 km (0.108 R)
• M3: 1,031,627 km (0.066 R)
• M4: 1,286,990 km (0.063 R)
• M5: 2,307,098 km (0.053 R)
• M6: 2,567,548 km (0.094 R)
• M7: 3,295,491 km (0.056 R)
• M8: 4,841,585 km (0.086 R)
• M9: 5,154,395 km (0.056 R)
• M10: 5,602,739 km (0.102 R)
• M11: 5,915,848 km (0.092 R)
• M12: 6,509,003 km (0.066 R)
• M13: 7,929,734 km (0.117 R)
• M14: 10,596,616 km (0.102 R)
• M15: 11,874,481 km (0.1 R)
• M16: 12,131,639 km (0.084 R)
• M17: 13,033,565 km (0.093 R)
• M18: 13,979,472 km (0.045 R)
• M19: 16,132,634 km (0.082 R)
• M20: 18,156,095 km (0.04 R)
• M21: 18,566,442 km (0.103 R)
• M22: 19,906,839 km (0.118 R)
• M23: 21,084,623 km (0.097 R)
• M24: 22,152,602 km (0.117 R)
• M25: 22,778,969 km (0.104 R)
• M26: 23,821,666 km (0.063 R)
• M27: 28,864,610 km (0.041 R)
• M28: 30,275,767 km (0.094 R)
• M29: 34,680,377 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 15

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.35 AU - 6.59 AU

Year: 6233 Days

Day: 12.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,875,794 km

• M1: 211,232 km (0.105 R)
• M2: 730,786 km (0.118 R)
• M3: 1,476,681 km (0.118 R)
• M4: 2,016,430 km (0.101 R)
• M5: 2,601,208 km (0.073 R)
• M6: 3,258,242 km (0.115 R)
• M7: 4,749,134 km (0.044 R)
• M8: 6,075,768 km (0.06 R)
• M9: 8,162,359 km (0.115 R)
• M10: 8,832,109 km (0.115 R)
• M11: 10,237,281 km (0.109 R)
• M12: 11,591,292 km (0.093 R)
• M13: 13,167,605 km (0.058 R)
• M14: 13,650,955 km (0.111 R)
• M15: 14,710,557 km (0.108 R)
• M16: 15,824,313 km (0.1 R)
• M17: 16,680,312 km (0.075 R)
• M18: 18,153,702 km (0.119 R)
• M19: 18,888,377 km (0.108 R)
• M20: 20,203,940 km (0.095 R)
• M21: 23,172,261 km (0.104 R)
• M22: 23,641,400 km (0.098 R)
• M23: 28,419,855 km (0.082 R)
• M24: 31,557,521 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 12.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.86 AU - 9.68 AU

Year: 8203 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,875,794 km

• M1: 151,842 km (0.085 R)
• M2: 538,253 km (0.033 R)
• M3: 1,014,124 km (0.111 R)
• M4: 1,434,344 km (0.113 R)
• M5: 2,171,413 km (0.073 R)
• M6: 2,560,816 km (0.113 R)
• M7: 3,566,114 km (0.086 R)
• M8: 4,113,493 km (0.117 R)
• M9: 4,541,941 km (0.094 R)
• M10: 5,377,744 km (0.113 R)
• M11: 7,117,717 km (0.114 R)
• M12: 7,527,316 km (0.111 R)
• M13: 8,171,484 km (0.105 R)
• M14: 8,582,879 km (0.099 R)
• M15: 11,489,116 km (0.088 R)
• M16: 13,138,732 km (0.066 R)
• M17: 14,020,312 km (0.096 R)
• M18: 14,775,632 km (0.106 R)
• M19: 18,514,831 km (0.078 R)
• M20: 20,295,046 km (0.113 R)
• M21: 22,258,817 km (0.094 R)
• M22: 23,586,498 km (0.11 R)
• M23: 25,755,517 km (0.071 R)
• M24: 27,218,285 km (0.087 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.4

Radius: 12.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.66 AU - 13.14 AU

Year: 14578 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,875,794 km

• M1: 154,235 km (0.054 R)
• M2: 731,982 km (0.099 R)
• M3: 1,496,428 km (0.116 R)
• M4: 1,993,541 km (0.12 R)
• M5: 2,385,338 km (0.109 R)
• M6: 3,256,446 km (0.076 R)
• M7: 4,593,851 km (0.054 R)
• M8: 5,453,890 km (0.074 R)
• M9: 6,121,545 km (0.097 R)
• M10: 7,368,742 km (0.1 R)
• M11: 8,008,722 km (0.078 R)
• M12: 8,825,227 km (0.049 R)
• M13: 9,351,064 km (0.097 R)
• M14: 9,999,570 km (0.111 R)
• M15: 13,019,054 km (0.053 R)
• M16: 14,277,322 km (0.12 R)
• M17: 16,962,005 km (0.058 R)
• M18: 17,776,416 km (0.109 R)
• M19: 24,503,084 km (0.064 R)
• M20: 25,352,351 km (0.06 R)
• M21: 26,712,345 km (0.059 R)
• M22: 29,789,723 km (0.107 R)
• M23: 35,431,358 km (0.066 R)
• M24: 37,999,804 km (0.112 R)
• M25: 40,952,417 km (0.083 R)
• M26: 41,880,672 km (0.102 R)
• M27: 47,310,775 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 15,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit