🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.47 AU - 0.55 AU

Year: 136 Days

Day: 12.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.82 AU - 1.24 AU

Year: 392 Days

Day: 39.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.43 AU - 1.49 AU

Year: 661 Days

Day: 25.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.19 AU - 1.95 AU

Year: 737 Days

Day: 20.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.47 AU - 2.41 AU

Year: 1013 Days

Day: 43.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,147,489 km

• M1: 141,520 km (0.118 R)
• M2: 760,705 km (0.06 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.19 AU - 3.13 AU

Year: 1626 Days

Day: 21 Hours

Environment

Temp: -92 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 11.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.78 AU - 5.06 AU

Year: 3482 Days

Day: 14.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,147,489 km

• M1: 139,276 km (0.098 R)
• M2: 530,474 km (0.075 R)
• M3: 1,245,402 km (0.099 R)
• M4: 1,746,406 km (0.079 R)
• M5: 2,112,172 km (0.119 R)
• M6: 2,638,308 km (0.086 R)
• M7: 3,513,605 km (0.106 R)
• M8: 4,104,218 km (0.069 R)
• M9: 5,201,219 km (0.084 R)
• M10: 6,396,506 km (0.111 R)
• M11: 7,090,041 km (0.086 R)
• M12: 7,866,454 km (0.101 R)
• M13: 8,485,191 km (0.098 R)
• M14: 8,879,232 km (0.053 R)
• M15: 9,247,841 km (0.12 R)
• M16: 9,859,098 km (0.114 R)
• M17: 10,214,692 km (0.076 R)
• M18: 12,349,005 km (0.098 R)
• M19: 13,185,407 km (0.032 R)
• M20: 14,561,109 km (0.106 R)
• M21: 15,074,828 km (0.037 R)
• M22: 15,547,557 km (0.107 R)
• M23: 17,423,365 km (0.104 R)
• M24: 18,002,608 km (0.071 R)
• M25: 18,774,832 km (0.032 R)
• M26: 19,693,213 km (0.088 R)
• M27: 20,577,187 km (0.118 R)
• M28: 20,963,898 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 14.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.24 AU - 5.64 AU

Year: 4115 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,147,489 km

• M1: 175,329 km (0.072 R)
• M2: 880,982 km (0.057 R)
• M3: 1,366,427 km (0.089 R)
• M4: 2,363,497 km (0.098 R)
• M5: 2,829,793 km (0.039 R)
• M6: 3,615,930 km (0.109 R)
• M7: 5,142,128 km (0.097 R)
• M8: 5,680,530 km (0.093 R)
• M9: 6,436,897 km (0.08 R)
• M10: 7,939,159 km (0.079 R)
• M11: 8,923,663 km (0.112 R)
• M12: 9,906,521 km (0.063 R)
• M13: 10,873,372 km (0.059 R)
• M14: 11,312,890 km (0.093 R)
• M15: 15,767,017 km (0.079 R)
• M16: 17,261,949 km (0.12 R)
• M17: 18,289,237 km (0.056 R)
• M18: 19,678,852 km (0.058 R)
• M19: 21,893,648 km (0.1 R)
• M20: 22,738,727 km (0.035 R)
• M21: 24,569,356 km (0.078 R)
• M22: 26,181,423 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 8

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.26 AU - 5.98 AU

Year: 4341 Days

Day: 12.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,147,489 km

• M1: 99,483 km (0.106 R)
• M2: 359,035 km (0.095 R)
• M3: 684,261 km (0.107 R)
• M4: 1,149,211 km (0.076 R)
• M5: 1,574,667 km (0.072 R)
• M6: 2,116,511 km (0.044 R)
• M7: 2,638,308 km (0.086 R)
• M8: 3,107,597 km (0.074 R)
• M9: 3,892,537 km (0.063 R)
• M10: 4,331,457 km (0.105 R)
• M11: 5,145,269 km (0.092 R)
• M12: 6,907,083 km (0.118 R)
• M13: 9,037,507 km (0.101 R)
• M14: 10,665,281 km (0.071 R)
• M15: 11,432,718 km (0.102 R)
• M16: 13,076,948 km (0.064 R)
• M17: 14,599,107 km (0.092 R)
• M18: 15,431,170 km (0.042 R)
• M19: 16,177,514 km (0.083 R)
• M20: 16,708,287 km (0.111 R)
• M21: 17,991,538 km (0.095 R)
• M22: 18,625,234 km (0.117 R)
• M23: 19,803,168 km (0.042 R)
• M24: 23,186,174 km (0.11 R)
• M25: 25,963,159 km (0.048 R)
• M26: 27,681,291 km (0.094 R)
• M27: 28,525,621 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.5

Radius: 6.6

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 11.18 AU - 16.16 AU

Year: 18940 Days

Day: 21.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,147,489 km

• M1: 92,003 km (0.057 R)
• M2: 348,114 km (0.092 R)
• M3: 585,825 km (0.108 R)
• M4: 968,347 km (0.038 R)
• M5: 1,299,407 km (0.086 R)
• M6: 2,378,008 km (0.071 R)
• M7: 2,787,607 km (0.076 R)
• M8: 4,238,257 km (0.104 R)
• M9: 5,017,812 km (0.08 R)
• M10: 6,050,486 km (0.1 R)
• M11: 8,075,443 km (0.027 R)
• M12: 10,932,014 km (0.071 R)
• M13: 11,237,942 km (0.072 R)
• M14: 16,063,969 km (0.117 R)
• M15: 17,937,533 km (0.082 R)
• M16: 20,134,228 km (0.078 R)
• M17: 21,060,987 km (0.071 R)
• M18: 22,899,694 km (0.083 R)
• M19: 23,199,488 km (0.044 R)
• M20: 27,226,812 km (0.075 R)
• M21: 28,589,499 km (0.036 R)
• M22: 28,937,165 km (0.062 R)
• M23: 30,960,626 km (0.072 R)
• M24: 33,076,688 km (0.049 R)
• M25: 34,105,023 km (0.096 R)
• M26: 35,154,452 km (0.102 R)
• M27: 37,594,244 km (0.072 R)
• M28: 39,711,652 km (0.11 R)
• M29: 40,289,549 km (0.095 R)
• M30: 48,319,663 km (0.092 R)
• M31: 50,145,057 km (0.077 R)
• M32: 50,650,697 km (0.068 R)
• M33: 53,580,721 km (0.099 R)
• M34: 66,229,221 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 17,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit