🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.62 AU - 0.66 AU

Year: 180 Days

Day: 31.6 Hours

Environment

Temp: 183 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.05 AU - 1.29 AU

Year: 445 Days

Day: 17.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.9 AU - 1.92 AU

Year: 928 Days

Day: 39.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.42 AU - 2.9 AU

Year: 1525 Days

Day: 44.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,807,859 km

• M1: 411,245 km (0.116 R)
• M2: 765,492 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.7 AU - 6.12 AU

Year: 4423 Days

Day: 33.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 8.4

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.22 AU - 8.52 AU

Year: 6329 Days

Day: 7.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,807,859 km

• M1: 104,569 km (0.025 R)
• M2: 486,642 km (0.06 R)
• M3: 1,019,061 km (0.118 R)
• M4: 1,405,173 km (0.09 R)
• M5: 2,144,934 km (0.119 R)
• M6: 3,260,486 km (0.089 R)
• M7: 4,037,347 km (0.069 R)
• M8: 4,370,951 km (0.099 R)
• M9: 5,230,540 km (0.101 R)
• M10: 7,633,082 km (0.051 R)
• M11: 9,648,464 km (0.074 R)
• M12: 24,093,485 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 11.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.92 AU - 10.9 AU

Year: 10964 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,807,859 km

• M1: 141,819 km (0.108 R)
• M2: 506,688 km (0.103 R)
• M3: 1,128,417 km (0.118 R)
• M4: 1,710,951 km (0.103 R)
• M5: 2,221,828 km (0.083 R)
• M6: 3,894,481 km (0.116 R)
• M7: 4,311,111 km (0.033 R)
• M8: 5,203,912 km (0.113 R)
• M9: 6,390,671 km (0.113 R)
• M10: 7,510,711 km (0.088 R)
• M11: 10,331,379 km (0.082 R)
• M12: 23,238,384 km (0.065 R)
• M13: 24,440,103 km (0.101 R)
• M14: 25,682,962 km (0.065 R)
• M15: 26,228,247 km (0.07 R)
• M16: 35,140,540 km (0.109 R)
• M17: 36,837,428 km (0.11 R)
• M18: 38,944,963 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.7

Radius: 5.2

Gravity: 36.93 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 11.93 AU - 15.27 AU

Year: 17627 Days

Day: 17.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,807,859 km

• M1: 64,626 km (0.116 R)
• M2: 395,387 km (0.115 R)
• M3: 591,211 km (0.116 R)
• M4: 830,418 km (0.046 R)
• M5: 1,028,934 km (0.098 R)
• M6: 1,712,746 km (0.075 R)
• M7: 2,099,157 km (0.095 R)
• M8: 2,313,082 km (0.095 R)
• M9: 3,762,087 km (0.105 R)
• M10: 5,290,230 km (0.074 R)
• M11: 7,048,004 km (0.092 R)
• M12: 7,382,805 km (0.08 R)
• M13: 7,879,320 km (0.1 R)
• M14: 8,994,123 km (0.103 R)
• M15: 9,217,922 km (0.025 R)
• M16: 9,388,014 km (0.085 R)
• M17: 11,996,852 km (0.114 R)
• M18: 12,268,073 km (0.048 R)
• M19: 14,510,245 km (0.028 R)
• M20: 16,506,479 km (0.102 R)
• M21: 17,440,120 km (0.073 R)
• M22: 17,613,653 km (0.085 R)
• M23: 22,744,561 km (0.064 R)
• M24: 23,264,713 km (0.104 R)
• M25: 26,211,492 km (0.075 R)
• M26: 26,553,622 km (0.097 R)
• M27: 32,047,604 km (0.088 R)
• M28: 33,230,474 km (0.069 R)
• M29: 33,899,925 km (0.118 R)
• M30: 35,682,832 km (0.079 R)
• M31: 38,399,529 km (0.113 R)
• M32: 38,988,496 km (0.032 R)
• M33: 41,097,527 km (0.09 R)
• M34: 42,336,197 km (0.092 R)
• M35: 45,213,712 km (0.119 R)
• M36: 46,201,208 km (0.117 R)
• M37: 47,202,915 km (0.087 R)
• M38: 56,878,457 km (0.099 R)
• M39: 65,049,642 km (0.094 R)
• M40: 71,278,897 km (0.094 R)
• M41: 71,945,206 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.4

Radius: 7.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 12.24 AU - 15.68 AU

Year: 18332 Days

Day: 23.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,807,859 km

• M1: 128,804 km (0.041 R)
• M2: 383,120 km (0.099 R)
• M3: 5,354,557 km (0.116 R)
• M4: 5,601,393 km (0.111 R)
• M5: 6,357,461 km (0.042 R)
• M6: 8,692,534 km (0.107 R)
• M7: 18,891,518 km (0.12 R)
• M8: 20,381,214 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.4

Radius: 6

Gravity: 16.54 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 13.24 AU - 19.28 AU

Year: 23044 Days

Day: 21.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,807,859 km

• M1: 75,098 km (0.106 R)
• M2: 360,232 km (0.088 R)
• M3: 638,933 km (0.112 R)
• M4: 1,057,507 km (0.081 R)
• M5: 1,508,545 km (0.057 R)
• M6: 1,939,836 km (0.091 R)
• M7: 2,966,077 km (0.101 R)
• M8: 3,951,777 km (0.085 R)
• M9: 4,767,983 km (0.112 R)
• M10: 5,293,221 km (0.087 R)
• M11: 6,369,877 km (0.095 R)
• M12: 7,988,377 km (0.054 R)
• M13: 8,195,271 km (0.107 R)
• M14: 8,565,974 km (0.062 R)
• M15: 10,282,460 km (0.054 R)
• M16: 10,651,368 km (0.111 R)
• M17: 11,415,664 km (0.107 R)
• M18: 12,769,824 km (0.104 R)
• M19: 14,152,258 km (0.055 R)
• M20: 15,153,666 km (0.11 R)
• M21: 16,533,557 km (0.038 R)
• M22: 21,074,301 km (0.102 R)
• M23: 21,469,987 km (0.099 R)
• M24: 22,686,367 km (0.117 R)
• M25: 23,311,687 km (0.071 R)
• M26: 27,540,519 km (0.108 R)
• M27: 28,251,857 km (0.104 R)
• M28: 29,097,085 km (0.074 R)
• M29: 34,662,724 km (0.069 R)
• M30: 50,966,499 km (0.032 R)
• M31: 55,154,940 km (0.112 R)
• M32: 59,764,050 km (0.098 R)
• M33: 61,155,161 km (0.094 R)
• M34: 66,088,599 km (0.056 R)
• M35: 74,660,408 km (0.074 R)
• M36: 75,579,238 km (0.051 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 13,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit