🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.43 AU - 0.69 AU

Year: 153 Days

Day: 15.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.68 AU - 0.84 AU

Year: 242 Days

Day: 25 Hours

Environment

Temp: 131 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.91 AU - 1.41 AU

Year: 456 Days

Day: 32.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,837,779 km

• M1: 237,412 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.02 AU - 1.36 AU

Year: 474 Days

Day: 12.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 71,837,779 km

• M1: 602,580 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.88 AU - 2.04 AU

Year: 1002 Days

Day: 37.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,837,779 km

• M1: 163,510 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.82 AU - 3.06 AU

Year: 1841 Days

Day: 31.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 12.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.52 AU - 9.24 AU

Year: 9665 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,837,779 km

• M1: 153,487 km (0.102 R)
• M2: 881,281 km (0.103 R)
• M3: 2,581,311 km (0.066 R)
• M4: 3,154,271 km (0.074 R)
• M5: 3,915,874 km (0.027 R)
• M6: 4,765,889 km (0.097 R)
• M7: 5,464,661 km (0.047 R)
• M8: 6,050,635 km (0.106 R)
• M9: 7,471,366 km (0.1 R)
• M10: 8,106,709 km (0.109 R)
• M11: 9,009,831 km (0.083 R)
• M12: 10,231,447 km (0.067 R)
• M13: 12,645,508 km (0.072 R)
• M14: 13,243,152 km (0.025 R)
• M15: 20,057,484 km (0.113 R)
• M16: 26,704,118 km (0.109 R)
• M17: 34,340,341 km (0.083 R)
• M18: 38,653,846 km (0.094 R)
• M19: 39,280,212 km (0.091 R)
• M20: 47,476,829 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.3

Radius: 6.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 13.46 AU - 19.44 AU

Year: 24369 Days

Day: 23.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,837,779 km

• M1: 93,050 km (0.039 R)
• M2: 757,564 km (0.08 R)
• M3: 2,558,423 km (0.119 R)
• M4: 3,623,111 km (0.029 R)
• M5: 3,958,659 km (0.047 R)
• M6: 5,023,197 km (0.074 R)
• M7: 5,476,628 km (0.056 R)
• M8: 7,612,138 km (0.118 R)
• M9: 8,839,289 km (0.099 R)
• M10: 10,030,088 km (0.087 R)
• M11: 10,357,558 km (0.063 R)
• M12: 11,739,244 km (0.082 R)
• M13: 12,349,603 km (0.117 R)
• M14: 13,833,614 km (0.085 R)
• M15: 14,171,257 km (0.095 R)
• M16: 19,494,398 km (0.047 R)
• M17: 23,254,241 km (0.112 R)
• M18: 28,982,194 km (0.078 R)
• M19: 36,859,419 km (0.074 R)
• M20: 37,118,074 km (0.108 R)
• M21: 38,033,164 km (0.106 R)
• M22: 50,373,343 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.1

Radius: 7.7

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 12.65 AU - 20.99 AU

Year: 25196 Days

Day: 20.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,837,779 km

• M1: 96,939 km (0.098 R)
• M2: 381,774 km (0.11 R)
• M3: 680,371 km (0.118 R)
• M4: 1,081,443 km (0.064 R)
• M5: 1,527,095 km (0.071 R)
• M6: 2,504,867 km (0.088 R)
• M7: 3,498,795 km (0.1 R)
• M8: 3,849,452 km (0.094 R)
• M9: 5,409,160 km (0.078 R)
• M10: 5,835,215 km (0.088 R)
• M11: 6,469,061 km (0.057 R)
• M12: 7,873,336 km (0.063 R)
• M13: 9,469,994 km (0.114 R)
• M14: 13,138,583 km (0.051 R)
• M15: 13,443,164 km (0.099 R)
• M16: 13,830,323 km (0.094 R)
• M17: 15,623,254 km (0.045 R)
• M18: 18,594,866 km (0.045 R)
• M19: 26,951,702 km (0.111 R)
• M20: 29,212,874 km (0.114 R)
• M21: 32,698,055 km (0.089 R)
• M22: 43,607,480 km (0.06 R)
• M23: 48,321,608 km (0.087 R)
• M24: 49,597,080 km (0.066 R)
• M25: 55,516,069 km (0.11 R)
• M26: 63,392,547 km (0.092 R)
• M27: 64,920,390 km (0.097 R)
• M28: 66,696,266 km (0.115 R)
• M29: 72,454,438 km (0.106 R)
• M30: 76,799,657 km (0.115 R)
• M31: 77,788,350 km (0.057 R)
• M32: 78,535,441 km (0.04 R)
• M33: 78,785,419 km (0.098 R)
• M34: 79,538,944 km (0.113 R)
• M35: 84,422,417 km (0.105 R)
• M36: 88,686,854 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.9

Radius: 6.1

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 15.19 AU - 20.09 AU

Year: 27061 Days

Day: 15.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,837,779 km

• M1: 76,145 km (0.12 R)
• M2: 641,326 km (0.099 R)
• M3: 1,210,696 km (0.106 R)
• M4: 1,568,234 km (0.114 R)
• M5: 2,585,051 km (0.07 R)
• M6: 3,565,366 km (0.03 R)
• M7: 3,951,777 km (0.088 R)
• M8: 4,843,081 km (0.083 R)
• M9: 5,317,008 km (0.096 R)
• M10: 7,337,776 km (0.08 R)
• M11: 10,881,001 km (0.077 R)
• M12: 11,692,570 km (0.099 R)
• M13: 13,435,684 km (0.097 R)
• M14: 16,284,476 km (0.117 R)
• M15: 16,931,637 km (0.086 R)
• M16: 17,595,851 km (0.104 R)
• M17: 18,363,737 km (0.093 R)
• M18: 20,427,140 km (0.082 R)
• M19: 21,370,505 km (0.068 R)
• M20: 22,540,659 km (0.095 R)
• M21: 24,062,668 km (0.067 R)
• M22: 27,877,862 km (0.053 R)
• M23: 28,570,052 km (0.073 R)
• M24: 30,471,740 km (0.102 R)
• M25: 31,952,160 km (0.1 R)
• M26: 34,393,298 km (0.116 R)
• M27: 34,657,189 km (0.052 R)
• M28: 34,922,576 km (0.083 R)
• M29: 35,591,877 km (0.087 R)
• M30: 44,458,542 km (0.094 R)
• M31: 46,521,198 km (0.116 R)
• M32: 48,315,774 km (0.093 R)
• M33: 50,495,415 km (0.117 R)
• M34: 54,690,139 km (0.051 R)
• M35: 56,504,462 km (0.091 R)
• M36: 61,602,758 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 16,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit