🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.49 AU - 0.57 AU

Year: 134 Days

Day: 38.8 Hours

Environment

Temp: 290 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,843,244 km

• M1: 137,780 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.58 AU - 0.72 AU

Year: 183 Days

Day: 38.4 Hours

Environment

Temp: 242 °C

Axial Tilt: 50 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.78 AU - 0.9 AU

Year: 268 Days

Day: 42 Hours

Environment

Temp: 191 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.19 AU - 1.23 AU

Year: 464 Days

Day: 47.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 44.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,843,244 km

• M1: 33,211 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 12.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.75 AU - 7.29 AU

Year: 5798 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,843,244 km

• M1: 161,117 km (0.042 R)
• M2: 576,849 km (0.101 R)
• M3: 1,151,754 km (0.115 R)
• M4: 1,531,583 km (0.058 R)
• M5: 2,287,202 km (0.062 R)
• M6: 3,011,106 km (0.118 R)
• M7: 3,926,795 km (0.056 R)
• M8: 6,031,786 km (0.07 R)
• M9: 7,727,927 km (0.119 R)
• M10: 8,686,251 km (0.11 R)
• M11: 11,244,674 km (0.111 R)
• M12: 11,754,503 km (0.041 R)
• M13: 13,792,176 km (0.113 R)
• M14: 14,702,479 km (0.06 R)
• M15: 15,538,581 km (0.096 R)
• M16: 17,489,487 km (0.085 R)
• M17: 18,364,635 km (0.087 R)
• M18: 19,334,478 km (0.054 R)
• M19: 19,932,570 km (0.12 R)
• M20: 21,165,705 km (0.038 R)
• M21: 26,205,209 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.2

Radius: 3.2

Gravity: 92.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.98 AU - 17.28 AU

Year: 18497 Days

Day: 19.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,843,244 km

• M1: 39,793 km (0.107 R)
• M2: 165,156 km (0.114 R)
• M3: 400,623 km (0.11 R)
• M4: 531,970 km (0.103 R)
• M5: 895,044 km (0.114 R)
• M6: 1,206,507 km (0.079 R)
• M7: 1,568,534 km (0.118 R)
• M8: 1,746,854 km (0.114 R)
• M9: 2,296,178 km (0.118 R)
• M10: 3,849,752 km (0.099 R)
• M11: 4,275,058 km (0.035 R)
• M12: 4,623,023 km (0.09 R)
• M13: 6,292,685 km (0.113 R)
• M14: 6,788,452 km (0.082 R)
• M15: 12,756,809 km (0.112 R)
• M16: 13,769,886 km (0.112 R)
• M17: 22,505,952 km (0.057 R)
• M18: 24,960,554 km (0.097 R)
• M19: 28,422,399 km (0.062 R)
• M20: 29,767,882 km (0.116 R)
• M21: 32,453,463 km (0.115 R)
• M22: 35,156,996 km (0.053 R)
• M23: 36,279,129 km (0.112 R)
• M24: 41,470,026 km (0.102 R)
• M25: 59,767,940 km (0.113 R)
• M26: 71,096,986 km (0.105 R)
• M27: 80,354,402 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.1

Radius: 3.6

Gravity: 21.69 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 14.21 AU - 18.61 AU

Year: 23150 Days

Day: 24.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,843,244 km

• M1: 44,879 km (0.105 R)
• M2: 290,519 km (0.117 R)
• M3: 420,220 km (0.029 R)
• M4: 763,847 km (0.108 R)
• M5: 884,572 km (0.094 R)
• M6: 1,471,594 km (0.051 R)
• M7: 1,643,931 km (0.101 R)
• M8: 2,242,771 km (0.058 R)
• M9: 2,624,844 km (0.072 R)
• M10: 3,571,799 km (0.098 R)
• M11: 4,182,607 km (0.103 R)
• M12: 4,496,762 km (0.111 R)
• M13: 4,759,307 km (0.111 R)
• M14: 6,470,706 km (0.095 R)
• M15: 7,328,351 km (0.102 R)
• M16: 12,643,563 km (0.092 R)
• M17: 14,113,961 km (0.067 R)
• M18: 15,620,112 km (0.083 R)
• M19: 22,717,783 km (0.095 R)
• M20: 26,534,025 km (0.088 R)
• M21: 35,532,636 km (0.113 R)
• M22: 35,919,346 km (0.103 R)
• M23: 36,700,995 km (0.087 R)
• M24: 42,493,425 km (0.109 R)
• M25: 44,551,742 km (0.074 R)
• M26: 45,151,929 km (0.11 R)
• M27: 47,139,336 km (0.035 R)
• M28: 55,327,127 km (0.112 R)
• M29: 61,219,937 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.7

Radius: 3.6

Gravity: 34.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 14.81 AU - 18.13 AU

Year: 23277 Days

Day: 17.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,843,244 km

• M1: 46,375 km (0.107 R)
• M2: 830,567 km (0.049 R)
• M3: 3,219,795 km (0.1 R)
• M4: 4,231,525 km (0.068 R)
• M5: 6,947,475 km (0.094 R)
• M6: 8,196,767 km (0.079 R)
• M7: 9,873,011 km (0.045 R)
• M8: 11,700,049 km (0.103 R)
• M9: 16,568,712 km (0.071 R)
• M10: 21,939,874 km (0.096 R)
• M11: 27,786,608 km (0.055 R)
• M12: 28,132,478 km (0.077 R)
• M13: 29,664,211 km (0.078 R)
• M14: 31,624,541 km (0.037 R)
• M15: 35,260,069 km (0.027 R)
• M16: 37,457,512 km (0.091 R)
• M17: 37,879,527 km (0.065 R)
• M18: 42,123,020 km (0.083 R)
• M19: 44,123,892 km (0.044 R)
• M20: 51,365,476 km (0.119 R)
• M21: 63,252,074 km (0.116 R)
• M22: 65,057,870 km (0.067 R)
• M23: 66,485,931 km (0.079 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit