🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.42 AU - 0.59 AU

Year: 135 Days

Day: 13.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.63 AU

Year: 144 Days

Day: 28.7 Hours

Environment

Temp: 209 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.91 AU - 1.05 AU

Year: 371 Days

Day: 18.2 Hours

Environment

Temp: 26 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.94 AU - 1.08 AU

Year: 389 Days

Day: 18.3 Hours

Environment

Temp: 11 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.12 AU - 1.16 AU

Year: 466 Days

Day: 29.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.94 AU - 1.4 AU

Year: 485 Days

Day: 36.4 Hours

Environment

Temp: -24 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,730,881 km

• M1: 184,454 km (0.069 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.52 AU - 3.84 AU

Year: 2171 Days

Day: 31.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 56.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,730,881 km

• M1: 1,048,232 km (0.084 R)

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.6

Radius: 8.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.71 AU - 8.89 AU

Year: 8341 Days

Day: 11 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 38,730,881 km

• M1: 284,685 km (0.115 R)
• M2: 447,298 km (0.092 R)
• M3: 557,252 km (0.046 R)
• M4: 677,080 km (0.08 R)
• M5: 973,733 km (0.03 R)
• M6: 1,088,624 km (0.089 R)
• M7: 1,332,169 km (0.062 R)
• M8: 1,935,497 km (0.103 R)
• M9: 2,441,587 km (0.11 R)
• M10: 2,599,861 km (0.031 R)
• M11: 2,761,427 km (0.101 R)
• M12: 3,079,323 km (0.106 R)
• M13: 3,377,172 km (0.063 R)
• M14: 3,553,847 km (0.107 R)
• M15: 3,667,841 km (0.109 R)
• M16: 3,916,323 km (0.113 R)
• M17: 4,273,413 km (0.096 R)
• M18: 5,239,366 km (0.112 R)
• M19: 5,481,864 km (0.099 R)
• M20: 5,557,112 km (0.117 R)
• M21: 5,958,334 km (0.087 R)
• M22: 6,788,602 km (0.099 R)
• M23: 6,930,570 km (0.113 R)
• M24: 7,032,446 km (0.036 R)
• M25: 7,675,867 km (0.04 R)
• M26: 8,036,697 km (0.075 R)
• M27: 9,625,576 km (0.118 R)
• M28: 9,716,681 km (0.106 R)
• M29: 9,853,862 km (0.101 R)
• M30: 10,315,671 km (0.1 R)
• M31: 10,761,024 km (0.104 R)
• M32: 11,021,623 km (0.055 R)
• M33: 12,405,553 km (0.077 R)
• M34: 12,879,030 km (0.048 R)
• M35: 12,954,278 km (0.105 R)
• M36: 13,409,205 km (0.073 R)
• M37: 13,689,701 km (0.025 R)
• M38: 13,998,022 km (0.101 R)
• M39: 14,256,677 km (0.114 R)
• M40: 14,360,648 km (0.106 R)
• M41: 14,857,612 km (0.113 R)
• M42: 15,174,310 km (0.088 R)
• M43: 15,253,896 km (0.105 R)
• M44: 15,520,181 km (0.034 R)
• M45: 15,734,106 km (0.086 R)
• M46: 16,003,083 km (0.118 R)
• M47: 16,600,128 km (0.086 R)
• M48: 16,709,484 km (0.054 R)
• M49: 17,537,209 km (0.081 R)
• M50: 17,844,034 km (0.099 R)
• M51: 17,927,958 km (0.111 R)
• M52: 18,124,530 km (0.118 R)
• M53: 18,633,013 km (0.062 R)
• M54: 18,746,708 km (0.107 R)
• M55: 19,232,302 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 14.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8 AU - 9.52 AU

Year: 9927 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 38,730,881 km

• M1: 327,320 km (0.084 R)
• M2: 480,957 km (0.109 R)
• M3: 641,176 km (0.074 R)
• M4: 736,470 km (0.078 R)
• M5: 928,704 km (0.099 R)
• M6: 1,173,147 km (0.077 R)
• M7: 1,277,267 km (0.087 R)
• M8: 1,421,329 km (0.117 R)
• M9: 1,766,452 km (0.063 R)
• M10: 2,268,502 km (0.079 R)
• M11: 2,697,399 km (0.046 R)
• M12: 3,276,193 km (0.118 R)
• M13: 3,452,420 km (0.102 R)
• M14: 3,554,445 km (0.1 R)
• M15: 4,215,967 km (0.076 R)
• M16: 4,631,550 km (0.07 R)
• M17: 4,830,066 km (0.079 R)
• M18: 5,294,418 km (0.087 R)
• M19: 6,079,807 km (0.08 R)
• M20: 6,235,090 km (0.051 R)
• M21: 7,096,474 km (0.118 R)
• M22: 7,358,869 km (0.108 R)
• M23: 7,859,723 km (0.118 R)
• M24: 8,371,796 km (0.084 R)
• M25: 9,899,190 km (0.117 R)
• M26: 10,713,601 km (0.081 R)
• M27: 10,939,494 km (0.104 R)
• M28: 11,091,037 km (0.118 R)
• M29: 12,564,875 km (0.094 R)
• M30: 12,842,977 km (0.115 R)
• M31: 12,962,955 km (0.105 R)
• M32: 13,649,160 km (0.108 R)
• M33: 13,976,331 km (0.03 R)
• M34: 14,182,028 km (0.108 R)
• M35: 14,347,333 km (0.11 R)
• M36: 15,015,138 km (0.115 R)
• M37: 15,268,108 km (0.106 R)
• M38: 15,735,751 km (0.101 R)
• M39: 15,992,760 km (0.081 R)
• M40: 16,121,863 km (0.095 R)
• M41: 16,251,265 km (0.105 R)
• M42: 17,431,443 km (0.061 R)
• M43: 17,741,859 km (0.112 R)
• M44: 19,138,953 km (0.078 R)
• M45: 19,459,242 km (0.031 R)
• M46: 20,711,526 km (0.04 R)
• M47: 20,899,271 km (0.11 R)
• M48: 21,323,830 km (0.088 R)
• M49: 23,391,273 km (0.104 R)
• M50: 23,979,641 km (0.096 R)
• M51: 24,473,613 km (0.062 R)
• M52: 24,971,026 km (0.066 R)
• M53: 25,170,889 km (0.07 R)
• M54: 25,723,354 km (0.115 R)
• M55: 26,077,003 km (0.086 R)
• M56: 26,534,025 km (0.033 R)
• M57: 27,198,987 km (0.052 R)
• M58: 29,913,141 km (0.106 R)
• M59: 30,391,705 km (0.079 R)
• M60: 30,872,812 km (0.085 R)
• M61: 31,033,629 km (0.077 R)
• M62: 31,302,457 km (0.096 R)
• M63: 31,572,032 km (0.098 R)
• M64: 32,494,303 km (0.029 R)
• M65: 32,712,716 km (0.09 R)
• M66: 33,205,641 km (0.058 R)
• M67: 33,370,498 km (0.069 R)
• M68: 33,645,908 km (0.097 R)
• M69: 34,643,725 km (0.108 R)
• M70: 35,146,225 km (0.109 R)
• M71: 35,651,117 km (0.118 R)
• M72: 38,442,165 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 17,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit